Subject: [Shop-talk] electrical problems with truck

From: "john niolon" <[email-masked]>
Date: Thu, 5 Aug 2021 09:33:50 -0500

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Took the truck (53 ford f-100) out for a drive yesterday=E2=80=A6first=
 time since the=20
Grand Nationals (I=E2=80=99ve been busy) Ran great for about 30 minute=
s with a couple=20
of stops during the ride=E2=80=A6 each time it started right and showe=
d no problems.=20
Electric fan and a/c running the whole time As I pulled out of one bus=
iness and=20
headed home the truck stumbled and died..almost like it was out of gas=
=E2=80=A6 ( had=20
over a half a tank) I pulled into a business and tried to start it and=
 all I=20
got was a =E2=80=98click=E2=80=9D. Dash Volt meter read about 11 volts=
 with switch on and=20
dropped to zero when hitting the starter. Waited about 10 minutes and =
it=20
started right up=E2=80=A6 got it home, shut it off and same thing =E2=80=
=9Cclick=E2=80=9D.

Battery has been on a battery tender full time since May and showed 13=
=2E7 volts=20
on VOM connected to the battery before the ride.

Battery is 2 years old Everstart Maxx27 800 CCA =E2=80=A6 =20

Davis DUI ignition (which could have quit when battery voltage got low=
)

All cables are new with 1/0 welding cable for starting circuit and bat=
tery=20
ground to frame
engine to frame, frame to cab and frame to bed are all #4 wire to bare=
 metal=20
connection points with dialectic grease.

At first glance...when running,  the volt meter on dash shows over 13 =
volts so=20
I think alternator is good=20

did a load test with a H.F. (100 amp) load tester showed battery dropp=
ing to 10=20
volts during 10 second load... recovered to 12.=20

Put truck up on stands and dropped battery (under cab)  checked all ca=
bles and=20
connections from battery to starter including solenoid and ground conn=
ections.
all tight, no corrosion on terminals and  cells full.  this truck fini=
shed last=20
year and everything is new.  Starter solenoid is a Cole-Hersee 200 amp=
=20
continuous draw solenoid.

Starter is new last year and 6-7 inches away and below headers so heat=
 soak=20
isn't causing the problem

Set it back down and charged it for 30 minutes at 10 amps... battery s=
howed 12.9 volts..  started ok and put meter on alternator
terminals... alternator putting out 14.5 - 14.8 volts...  varies a lit=
tle with engine speed.... so alternator is good I think.

 I did a load test again.,.. idle voltage reading 12.9 volts on two di=
fferent fluke meters... and during the load test it dropped to 12.3 th=
en recovered to 12.7...so I'm=20
assuming the battery is good, it was just low before the first load te=
st.

here's an odd thing.. I have a 12 volt terminal on the right frame rai=
l that powers the elec radiator fan, tilt hood motors and trinary swit=
ch

with the a/c on, headlights on and elec radiator fan running (as much =
load as I can put on it)... the alternator o/p at 14.5 volts, the volt=
age at the terminal on rail reads 11.5 volts.  The terminal is 4'=20
from battery and fed with #4 stranded wire.

that's about all the detail I can give you... any ideas why it stalled=
 and quit..???   and why the terminal point only reads 11.5 versus the=
 14.5 at the alternator.

I'm=20
at the wall

thanks
john

--6=_dvWCO9gh1cIqqTi9Sa99blOBrHZv6LW
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<DIV><SPAN style=3D'FONT-SIZE: 13px; FONT-FAMILY: Verdana, geneva, luc=
ida, "lucida grande", arial, helvetica, sans-serif; WHITE-SPACE: norma=
l; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FLOAT: none; FONT-WEIGHT: =
400; COLOR: rgb(34,34,34); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; =
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nt-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decorati=
on-thickness: initial; text-decoration-style: initial; text-decoration=
-color: initial'>Took the truck (53 ford f-100)&nbsp;out for a drive y=
esterday=E2=80=A6first time since the Grand Nationals (I=E2=80=99ve be=
en busy) Ran great for about 30 minutes with a couple of stops during =
the ride=E2=80=A6 each time it started right and showed no problems. E=
lectric fan and a/c running the whole time As I pulled out of one busi=
ness and headed home the truck stumbled and died..almost like it was o=
ut of gas=E2=80=A6 ( had over a half a tank) I pulled into a business =
and tried to start it and all I got was a =E2=80=98click=E2=80=9D. Das=
h Volt meter read about 11 volts with switch on and dropped to zero wh=
en hitting the starter. Waited about 10 minutes and it started right u=
p=E2=80=A6 got it home, shut it off and same thing =E2=80=9Cclick=E2=80=
=9D.</SPAN><BR style=3D'BOX-SIZING: border-box; FONT-SIZE: 13px; FONT-=
FAMILY: Verdana, geneva, lucida, "lucida grande", arial, helvetica, sa=
ns-serif; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none=
; FONT-WEIGHT: 400; COLOR: rgb(34,34,34); FONT-STYLE: normal; ORPHANS:=
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 initial; text-decoration-style: initial; text-decoration-color: initi=
al'><BR style=3D'BOX-SIZING: border-box; FONT-SIZE: 13px; FONT-FAMILY:=
 Verdana, geneva, lucida, "lucida grande", arial, helvetica, sans-seri=
f; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-=
WEIGHT: 400; COLOR: rgb(34,34,34); FONT-STYLE: normal; ORPHANS: 2; WID=
OWS: 2; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); TE=
XT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: nor=
mal; -webkit-text-stroke-width: 0px; text-decoration-thickness: initia=
l; text-decoration-style: initial; text-decoration-color: initial'><SP=
AN style=3D'FONT-SIZE: 13px; FONT-FAMILY: Verdana, geneva, lucida, "lu=
cida grande", arial, helvetica, sans-serif; WHITE-SPACE: normal; WORD-=
SPACING: 0px; TEXT-TRANSFORM: none; FLOAT: none; FONT-WEIGHT: 400; COL=
OR: rgb(34,34,34); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; DISPLAY:=
 inline !important; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,=
255,255); TEXT-INDENT: 0px; font-variant-ligatures: normal; font-varia=
nt-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-thick=
ness: initial; text-decoration-style: initial; text-decoration-color: =
initial'>Battery has been on a battery tender full time since May and =
showed 13.7 volts on VOM connected to the battery before the ride.</SP=
AN><BR style=3D'BOX-SIZING: border-box; FONT-SIZE: 13px; FONT-FAMILY: =
Verdana, geneva, lucida, "lucida grande", arial, helvetica, sans-serif=
; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-W=
EIGHT: 400; COLOR: rgb(34,34,34); FONT-STYLE: normal; ORPHANS: 2; WIDO=
WS: 2; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); TEX=
T-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: norm=
al; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial=
; text-decoration-style: initial; text-decoration-color: initial'><BR =
style=3D'BOX-SIZING: border-box; FONT-SIZE: 13px; FONT-FAMILY: Verdana=
, geneva, lucida, "lucida grande", arial, helvetica, sans-serif; WHITE=
-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: =
400; COLOR: rgb(34,34,34); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; =
LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); TEXT-INDEN=
T: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -we=
bkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-=
decoration-style: initial; text-decoration-color: initial'><SPAN style=
=3D'FONT-SIZE: 13px; FONT-FAMILY: Verdana, geneva, lucida, "lucida gra=
nde", arial, helvetica, sans-serif; WHITE-SPACE: normal; WORD-SPACING:=
 0px; TEXT-TRANSFORM: none; FLOAT: none; FONT-WEIGHT: 400; COLOR: rgb(=
34,34,34); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; DISPLAY: inline =
!important; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255)=
; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps:=
 normal; -webkit-text-stroke-width: 0px; text-decoration-thickness: in=
itial; text-decoration-style: initial; text-decoration-color: initial'=
>Battery is 2 years old Everstart Maxx27 800 CCA =E2=80=A6&nbsp; </SPA=
N><BR style=3D'BOX-SIZING: border-box; FONT-SIZE: 13px; FONT-FAMILY: V=
erdana, geneva, lucida, "lucida grande", arial, helvetica, sans-serif;=
 WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WE=
IGHT: 400; COLOR: rgb(34,34,34); FONT-STYLE: normal; ORPHANS: 2; WIDOW=
S: 2; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); TEXT=
-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: norma=
l; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial;=
 text-decoration-style: initial; text-decoration-color: initial'><BR s=
tyle=3D'BOX-SIZING: border-box; FONT-SIZE: 13px; FONT-FAMILY: Verdana,=
 geneva, lucida, "lucida grande", arial, helvetica, sans-serif; WHITE-=
SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 4=
00; COLOR: rgb(34,34,34); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; L=
ETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); TEXT-INDENT=
: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -web=
kit-text-stroke-width: 0px; text-decoration-thickness: initial; text-d=
ecoration-style: initial; text-decoration-color: initial'><SPAN style=3D=
'FONT-SIZE: 13px; FONT-FAMILY: Verdana, geneva, lucida, "lucida grande=
", arial, helvetica, sans-serif; WHITE-SPACE: normal; WORD-SPACING: 0p=
x; TEXT-TRANSFORM: none; FLOAT: none; FONT-WEIGHT: 400; COLOR: rgb(34,=
34,34); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; DISPLAY: inline !im=
portant; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); T=
EXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: no=
rmal; -webkit-text-stroke-width: 0px; text-decoration-thickness: initi=
al; text-decoration-style: initial; text-decoration-color: initial'>Da=
vis DUI ignition (which could have quit when battery voltage got low)<=
/SPAN><BR style=3D'BOX-SIZING: border-box; FONT-SIZE: 13px; FONT-FAMIL=
Y: Verdana, geneva, lucida, "lucida grande", arial, helvetica, sans-se=
rif; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FON=
T-WEIGHT: 400; COLOR: rgb(34,34,34); FONT-STYLE: normal; ORPHANS: 2; W=
IDOWS: 2; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); =
TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: n=
ormal; -webkit-text-stroke-width: 0px; text-decoration-thickness: init=
ial; text-decoration-style: initial; text-decoration-color: initial'><=
BR style=3D'BOX-SIZING: border-box; FONT-SIZE: 13px; FONT-FAMILY: Verd=
ana, geneva, lucida, "lucida grande", arial, helvetica, sans-serif; WH=
ITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGH=
T: 400; COLOR: rgb(34,34,34); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: =
2; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); TEXT-IN=
DENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; =
-webkit-text-stroke-width: 0px; text-decoration-thickness: initial; te=
xt-decoration-style: initial; text-decoration-color: initial'><SPAN st=
yle=3D'FONT-SIZE: 13px; FONT-FAMILY: Verdana, geneva, lucida, "lucida =
grande", arial, helvetica, sans-serif; WHITE-SPACE: normal; WORD-SPACI=
NG: 0px; TEXT-TRANSFORM: none; FLOAT: none; FONT-WEIGHT: 400; COLOR: r=
gb(34,34,34); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; DISPLAY: inli=
ne !important; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,2=
55); TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-ca=
ps: normal; -webkit-text-stroke-width: 0px; text-decoration-thickness:=
 initial; text-decoration-style: initial; text-decoration-color: initi=
al'>All cables are new with 1/0 welding cable for starting circuit and=
 battery ground to frame</SPAN></DIV>
<DIV><SPAN style=3D'FONT-SIZE: 13px; FONT-FAMILY: Verdana, geneva, luc=
ida, "lucida grande", arial, helvetica, sans-serif; WHITE-SPACE: norma=
l; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FLOAT: none; FONT-WEIGHT: =
400; COLOR: rgb(34,34,34); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; =
DISPLAY: inline !important; LETTER-SPACING: normal; BACKGROUND-COLOR: =
rgb(255,255,255); TEXT-INDENT: 0px; font-variant-ligatures: normal; fo=
nt-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decorati=
on-thickness: initial; text-decoration-style: initial; text-decoration=
-color: initial'>engine to frame, frame to cab and frame to bed are al=
l #4 wire to bare metal connection points with dialectic grease.</SPAN=
><BR style=3D'BOX-SIZING: border-box; FONT-SIZE: 13px; FONT-FAMILY: Ve=
rdana, geneva, lucida, "lucida grande", arial, helvetica, sans-serif; =
WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEI=
GHT: 400; COLOR: rgb(34,34,34); FONT-STYLE: normal; ORPHANS: 2; WIDOWS=
: 2; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); TEXT-=
INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal=
; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; =
text-decoration-style: initial; text-decoration-color: initial'><BR st=
yle=3D'BOX-SIZING: border-box; FONT-SIZE: 13px; FONT-FAMILY: Verdana, =
geneva, lucida, "lucida grande", arial, helvetica, sans-serif; WHITE-S=
PACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 40=
0; COLOR: rgb(34,34,34); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; LE=
TTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); TEXT-INDENT:=
 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webk=
it-text-stroke-width: 0px; text-decoration-thickness: initial; text-de=
coration-style: initial; text-decoration-color: initial'><SPAN style=3D=
'FONT-SIZE: 13px; FONT-FAMILY: Verdana, geneva, lucida, "lucida grande=
", arial, helvetica, sans-serif; WHITE-SPACE: normal; WORD-SPACING: 0p=
x; TEXT-TRANSFORM: none; FLOAT: none; FONT-WEIGHT: 400; COLOR: rgb(34,=
34,34); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; DISPLAY: inline !im=
portant; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); T=
EXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: no=
rmal; -webkit-text-stroke-width: 0px; text-decoration-thickness: initi=
al; text-decoration-style: initial; text-decoration-color: initial'>At=
 first glance...when running, &nbsp;the volt meter on dash shows over =
13 volts so I think alternator is good </SPAN></DIV>
<DIV><SPAN style=3D'FONT-SIZE: 13px; FONT-FAMILY: Verdana, geneva, luc=
ida, "lucida grande", arial, helvetica, sans-serif; WHITE-SPACE: norma=
l; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FLOAT: none; FONT-WEIGHT: =
400; COLOR: rgb(34,34,34); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; =
DISPLAY: inline !important; LETTER-SPACING: normal; BACKGROUND-COLOR: =
rgb(255,255,255); TEXT-INDENT: 0px; font-variant-ligatures: normal; fo=
nt-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decorati=
on-thickness: initial; text-decoration-style: initial; text-decoration=
-color: initial'></SPAN>&nbsp;</DIV>
<DIV><SPAN style=3D'FONT-SIZE: 13px; FONT-FAMILY: Verdana, geneva, luc=
ida, "lucida grande", arial, helvetica, sans-serif; WHITE-SPACE: norma=
l; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FLOAT: none; FONT-WEIGHT: =
400; COLOR: rgb(34,34,34); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; =
DISPLAY: inline !important; LETTER-SPACING: normal; BACKGROUND-COLOR: =
rgb(255,255,255); TEXT-INDENT: 0px; font-variant-ligatures: normal; fo=
nt-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decorati=
on-thickness: initial; text-decoration-style: initial; text-decoration=
-color: initial'><SPAN style=3D'FONT-SIZE: 13px; FONT-FAMILY: Verdana,=
 geneva, lucida, "lucida grande", arial, helvetica, sans-serif; WHITE-=
SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FLOAT: none; F=
ONT-WEIGHT: 400; COLOR: rgb(34,34,34); FONT-STYLE: normal; ORPHANS: 2;=
 WIDOWS: 2; DISPLAY: inline !important; LETTER-SPACING: normal; BACKGR=
OUND-COLOR: rgb(255,255,255); TEXT-INDENT: 0px; font-variant-ligatures=
: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; t=
ext-decoration-thickness: initial; text-decoration-style: initial; tex=
t-decoration-color: initial'>did a load test with a H.F. (100 amp)&nbs=
p;load tester showed battery dropping to 10 volts during 10 second loa=
d... recovered to 12.&nbsp;</SPAN></SPAN></DIV>
<DIV><SPAN style=3D'FONT-SIZE: 13px; FONT-FAMILY: Verdana, geneva, luc=
ida, "lucida grande", arial, helvetica, sans-serif; WHITE-SPACE: norma=
l; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FLOAT: none; FONT-WEIGHT: =
400; COLOR: rgb(34,34,34); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; =
DISPLAY: inline !important; LETTER-SPACING: normal; BACKGROUND-COLOR: =
rgb(255,255,255); TEXT-INDENT: 0px; font-variant-ligatures: normal; fo=
nt-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decorati=
on-thickness: initial; text-decoration-style: initial; text-decoration=
-color: initial'><SPAN style=3D'FONT-SIZE: 13px; FONT-FAMILY: Verdana,=
 geneva, lucida, "lucida grande", arial, helvetica, sans-serif; WHITE-=
SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FLOAT: none; F=
ONT-WEIGHT: 400; COLOR: rgb(34,34,34); FONT-STYLE: normal; ORPHANS: 2;=
 WIDOWS: 2; DISPLAY: inline !important; LETTER-SPACING: normal; BACKGR=
OUND-COLOR: rgb(255,255,255); TEXT-INDENT: 0px; font-variant-ligatures=
: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; t=
ext-decoration-thickness: initial; text-decoration-style: initial; tex=
t-decoration-color: initial'></SPAN></SPAN>&nbsp;</DIV>
<DIV><SPAN style=3D'FONT-SIZE: 13px; FONT-FAMILY: Verdana, geneva, luc=
ida, "lucida grande", arial, helvetica, sans-serif; WHITE-SPACE: norma=
l; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FLOAT: none; FONT-WEIGHT: =
400; COLOR: rgb(34,34,34); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; =
DISPLAY: inline !important; LETTER-SPACING: normal; BACKGROUND-COLOR: =
rgb(255,255,255); TEXT-INDENT: 0px; font-variant-ligatures: normal; fo=
nt-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decorati=
on-thickness: initial; text-decoration-style: initial; text-decoration=
-color: initial'><SPAN style=3D'FONT-SIZE: 13px; FONT-FAMILY: Verdana,=
 geneva, lucida, "lucida grande", arial, helvetica, sans-serif; WHITE-=
SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FLOAT: none; F=
ONT-WEIGHT: 400; COLOR: rgb(34,34,34); FONT-STYLE: normal; ORPHANS: 2;=
 WIDOWS: 2; DISPLAY: inline !important; LETTER-SPACING: normal; BACKGR=
OUND-COLOR: rgb(255,255,255); TEXT-INDENT: 0px; font-variant-ligatures=
: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; t=
ext-decoration-thickness: initial; text-decoration-style: initial; tex=
t-decoration-color: initial'></SPAN></SPAN><SPAN style=3D'FONT-SIZE: 1=
3px; FONT-FAMILY: Verdana, geneva, lucida, "lucida grande", arial, hel=
vetica, sans-serif; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANS=
FORM: none; FLOAT: none; FONT-WEIGHT: 400; COLOR: rgb(34,34,34); FONT-=
STYLE: normal; ORPHANS: 2; WIDOWS: 2; DISPLAY: inline !important; LETT=
ER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); TEXT-INDENT: 0=
px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit=
-text-stroke-width: 0px; text-decoration-thickness: initial; text-deco=
ration-style: initial; text-decoration-color: initial'>Put truck up on=
 stands and dropped battery (under cab)&nbsp; checked all cables and c=
onnections&nbsp;from battery to starter including solenoid and ground =
connections.</SPAN></DIV>
<DIV><SPAN style=3D'FONT-SIZE: 13px; FONT-FAMILY: Verdana, geneva, luc=
ida, "lucida grande", arial, helvetica, sans-serif; WHITE-SPACE: norma=
l; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FLOAT: none; FONT-WEIGHT: =
400; COLOR: rgb(34,34,34); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; =
DISPLAY: inline !important; LETTER-SPACING: normal; BACKGROUND-COLOR: =
rgb(255,255,255); TEXT-INDENT: 0px; font-variant-ligatures: normal; fo=
nt-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decorati=
on-thickness: initial; text-decoration-style: initial; text-decoration=
-color: initial'>all tight, no corrosion on terminals and&nbsp; </SPAN=
><SPAN style=3D'FONT-SIZE: 13px; FONT-FAMILY: Verdana, geneva, lucida,=
 "lucida grande", arial, helvetica, sans-serif; WHITE-SPACE: normal; W=
ORD-SPACING: 0px; TEXT-TRANSFORM: none; FLOAT: none; FONT-WEIGHT: 400;=
 COLOR: rgb(34,34,34); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; DISP=
LAY: inline !important; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(=
255,255,255); TEXT-INDENT: 0px; font-variant-ligatures: normal; font-v=
ariant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-t=
hickness: initial; text-decoration-style: initial; text-decoration-col=
or: initial'>cells full.&nbsp; this truck finished last year and every=
thing is new.&nbsp; Starter solenoid is a&nbsp;Cole-Hersee 200 amp con=
tinuous draw solenoid.</SPAN></DIV>
<DIV><SPAN style=3D'FONT-SIZE: 13px; FONT-FAMILY: Verdana, geneva, luc=
ida, "lucida grande", arial, helvetica, sans-serif; WHITE-SPACE: norma=
l; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FLOAT: none; FONT-WEIGHT: =
400; COLOR: rgb(34,34,34); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; =
DISPLAY: inline !important; LETTER-SPACING: normal; BACKGROUND-COLOR: =
rgb(255,255,255); TEXT-INDENT: 0px; font-variant-ligatures: normal; fo=
nt-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decorati=
on-thickness: initial; text-decoration-style: initial; text-decoration=
-color: initial'></SPAN>&nbsp;</DIV>
<DIV><SPAN style=3D'FONT-SIZE: 13px; FONT-FAMILY: Verdana, geneva, luc=
ida, "lucida grande", arial, helvetica, sans-serif; WHITE-SPACE: norma=
l; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FLOAT: none; FONT-WEIGHT: =
400; COLOR: rgb(34,34,34); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; =
DISPLAY: inline !important; LETTER-SPACING: normal; BACKGROUND-COLOR: =
rgb(255,255,255); TEXT-INDENT: 0px; font-variant-ligatures: normal; fo=
nt-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decorati=
on-thickness: initial; text-decoration-style: initial; text-decoration=
-color: initial'>Starter is new last year and 6-7 inches away and belo=
w headers so heat soak isn't causing the problem</SPAN></DIV>
<DIV><SPAN style=3D'FONT-SIZE: 13px; FONT-FAMILY: Verdana, geneva, luc=
ida, "lucida grande", arial, helvetica, sans-serif; WHITE-SPACE: norma=
l; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FLOAT: none; FONT-WEIGHT: =
400; COLOR: rgb(34,34,34); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; =
DISPLAY: inline !important; LETTER-SPACING: normal; BACKGROUND-COLOR: =
rgb(255,255,255); TEXT-INDENT: 0px; font-variant-ligatures: normal; fo=
nt-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decorati=
on-thickness: initial; text-decoration-style: initial; text-decoration=
-color: initial'></SPAN>&nbsp;</DIV>
<DIV><SPAN style=3D'FONT-SIZE: 13px; FONT-FAMILY: Verdana, geneva, luc=
ida, "lucida grande", arial, helvetica, sans-serif; WHITE-SPACE: norma=
l; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FLOAT: none; FONT-WEIGHT: =
400; COLOR: rgb(34,34,34); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; =
DISPLAY: inline !important; LETTER-SPACING: normal; BACKGROUND-COLOR: =
rgb(255,255,255); TEXT-INDENT: 0px; font-variant-ligatures: normal; fo=
nt-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decorati=
on-thickness: initial; text-decoration-style: initial; text-decoration=
-color: initial'>Set it back down and charged it for 30 minutes at 10 =
amps... battery showed 12.9 volts..&nbsp; started ok and put meter on =
alternator</SPAN></DIV>
<DIV><SPAN style=3D'FONT-SIZE: 13px; FONT-FAMILY: Verdana, geneva, luc=
ida, "lucida grande", arial, helvetica, sans-serif; WHITE-SPACE: norma=
l; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FLOAT: none; FONT-WEIGHT: =
400; COLOR: rgb(34,34,34); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; =
DISPLAY: inline !important; LETTER-SPACING: normal; BACKGROUND-COLOR: =
rgb(255,255,255); TEXT-INDENT: 0px; font-variant-ligatures: normal; fo=
nt-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decorati=
on-thickness: initial; text-decoration-style: initial; text-decoration=
-color: initial'>terminals... alternator putting out 14.5 - 14.8 volts=
=2E..&nbsp; varies a&nbsp;little with engine speed....&nbsp;so alterna=
tor is good I think.</SPAN></DIV>
<DIV><SPAN style=3D'FONT-SIZE: 13px; FONT-FAMILY: Verdana, geneva, luc=
ida, "lucida grande", arial, helvetica, sans-serif; WHITE-SPACE: norma=
l; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FLOAT: none; FONT-WEIGHT: =
400; COLOR: rgb(34,34,34); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; =
DISPLAY: inline !important; LETTER-SPACING: normal; BACKGROUND-COLOR: =
rgb(255,255,255); TEXT-INDENT: 0px; font-variant-ligatures: normal; fo=
nt-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decorati=
on-thickness: initial; text-decoration-style: initial; text-decoration=
-color: initial'></SPAN>&nbsp;</DIV>
<DIV><SPAN style=3D'FONT-SIZE: 13px; FONT-FAMILY: Verdana, geneva, luc=
ida, "lucida grande", arial, helvetica, sans-serif; WHITE-SPACE: norma=
l; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FLOAT: none; FONT-WEIGHT: =
400; COLOR: rgb(34,34,34); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; =
DISPLAY: inline !important; LETTER-SPACING: normal; BACKGROUND-COLOR: =
rgb(255,255,255); TEXT-INDENT: 0px; font-variant-ligatures: normal; fo=
nt-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decorati=
on-thickness: initial; text-decoration-style: initial; text-decoration=
-color: initial'>
<DIV><SPAN style=3D'FONT-SIZE: 13px; FONT-FAMILY: Verdana, geneva, luc=
ida, "lucida grande", arial, helvetica, sans-serif; WHITE-SPACE: norma=
l; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FLOAT: none; FONT-WEIGHT: =
400; COLOR: rgb(34,34,34); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; =
DISPLAY: inline !important; LETTER-SPACING: normal; BACKGROUND-COLOR: =
rgb(255,255,255); TEXT-INDENT: 0px; font-variant-ligatures: normal; fo=
nt-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decorati=
on-thickness: initial; text-decoration-style: initial; text-decoration=
-color: initial'><SPAN style=3D'FONT-SIZE: 13px; FONT-FAMILY: Verdana,=
 geneva, lucida, "lucida grande", arial, helvetica, sans-serif; WHITE-=
SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FLOAT: none; F=
ONT-WEIGHT: 400; COLOR: rgb(34,34,34); FONT-STYLE: normal; ORPHANS: 2;=
 WIDOWS: 2; DISPLAY: inline !important; LETTER-SPACING: normal; BACKGR=
OUND-COLOR: rgb(255,255,255); TEXT-INDENT: 0px; font-variant-ligatures=
: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; t=
ext-decoration-thickness: initial; text-decoration-style: initial; tex=
t-decoration-color: initial'><SPAN>&nbsp;</SPAN>I did a load test agai=
n.,.. idle voltage reading 12.9 volts on two different fluke&nbsp;mete=
rs... and during the load test it dropped to 12.3 then recovered to 12=
=2E7...so I'm assuming the battery is good, it was just low before the=
 first load test.</SPAN></SPAN></DIV>
<DIV><SPAN style=3D'FONT-SIZE: 13px; FONT-FAMILY: Verdana, geneva, luc=
ida, "lucida grande", arial, helvetica, sans-serif; WHITE-SPACE: norma=
l; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FLOAT: none; FONT-WEIGHT: =
400; COLOR: rgb(34,34,34); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; =
DISPLAY: inline !important; LETTER-SPACING: normal; BACKGROUND-COLOR: =
rgb(255,255,255); TEXT-INDENT: 0px; font-variant-ligatures: normal; fo=
nt-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decorati=
on-thickness: initial; text-decoration-style: initial; text-decoration=
-color: initial'><SPAN style=3D'FONT-SIZE: 13px; FONT-FAMILY: Verdana,=
 geneva, lucida, "lucida grande", arial, helvetica, sans-serif; WHITE-=
SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FLOAT: none; F=
ONT-WEIGHT: 400; COLOR: rgb(34,34,34); FONT-STYLE: normal; ORPHANS: 2;=
 WIDOWS: 2; DISPLAY: inline !important; LETTER-SPACING: normal; BACKGR=
OUND-COLOR: rgb(255,255,255); TEXT-INDENT: 0px; font-variant-ligatures=
: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; t=
ext-decoration-thickness: initial; text-decoration-style: initial; tex=
t-decoration-color: initial'></SPAN></SPAN>&nbsp;</DIV></SPAN></DIV>
<DIV><SPAN style=3D'FONT-SIZE: 13px; FONT-FAMILY: Verdana, geneva, luc=
ida, "lucida grande", arial, helvetica, sans-serif; WHITE-SPACE: norma=
l; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FLOAT: none; FONT-WEIGHT: =
400; COLOR: rgb(34,34,34); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; =
DISPLAY: inline !important; LETTER-SPACING: normal; BACKGROUND-COLOR: =
rgb(255,255,255); TEXT-INDENT: 0px; font-variant-ligatures: normal; fo=
nt-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decorati=
on-thickness: initial; text-decoration-style: initial; text-decoration=
-color: initial'>here's an odd thing.. I have a 12 volt terminal on th=
e right frame rail that powers the elec radiator fan, tilt hood motors=
 and trinary switch</SPAN></DIV>
<DIV><SPAN style=3D'FONT-SIZE: 13px; FONT-FAMILY: Verdana, geneva, luc=
ida, "lucida grande", arial, helvetica, sans-serif; WHITE-SPACE: norma=
l; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FLOAT: none; FONT-WEIGHT: =
400; COLOR: rgb(34,34,34); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; =
DISPLAY: inline !important; LETTER-SPACING: normal; BACKGROUND-COLOR: =
rgb(255,255,255); TEXT-INDENT: 0px; font-variant-ligatures: normal; fo=
nt-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decorati=
on-thickness: initial; text-decoration-style: initial; text-decoration=
-color: initial'></SPAN>&nbsp;</DIV>
<DIV><SPAN style=3D'FONT-SIZE: 13px; FONT-FAMILY: Verdana, geneva, luc=
ida, "lucida grande", arial, helvetica, sans-serif; WHITE-SPACE: norma=
l; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FLOAT: none; FONT-WEIGHT: =
400; COLOR: rgb(34,34,34); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; =
DISPLAY: inline !important; LETTER-SPACING: normal; BACKGROUND-COLOR: =
rgb(255,255,255); TEXT-INDENT: 0px; font-variant-ligatures: normal; fo=
nt-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decorati=
on-thickness: initial; text-decoration-style: initial; text-decoration=
-color: initial'>with the a/c on, headlights on and elec&nbsp;radiator=
 fan running (as much load as I can put on it)...&nbsp;the alternator =
o/p at 14.5 volts, the voltage at the terminal on rail reads 11.5 volt=
s.&nbsp; The terminal is 4' from battery and fed with #4 stranded wire=
=2E</SPAN></DIV>
<DIV><SPAN style=3D'FONT-SIZE: 13px; FONT-FAMILY: Verdana, geneva, luc=
ida, "lucida grande", arial, helvetica, sans-serif; WHITE-SPACE: norma=
l; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FLOAT: none; FONT-WEIGHT: =
400; COLOR: rgb(34,34,34); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; =
DISPLAY: inline !important; LETTER-SPACING: normal; BACKGROUND-COLOR: =
rgb(255,255,255); TEXT-INDENT: 0px; font-variant-ligatures: normal; fo=
nt-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decorati=
on-thickness: initial; text-decoration-style: initial; text-decoration=
-color: initial'></SPAN>&nbsp;</DIV>
<DIV><SPAN style=3D'FONT-SIZE: 13px; FONT-FAMILY: Verdana, geneva, luc=
ida, "lucida grande", arial, helvetica, sans-serif; WHITE-SPACE: norma=
l; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FLOAT: none; FONT-WEIGHT: =
400; COLOR: rgb(34,34,34); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; =
DISPLAY: inline !important; LETTER-SPACING: normal; BACKGROUND-COLOR: =
rgb(255,255,255); TEXT-INDENT: 0px; font-variant-ligatures: normal; fo=
nt-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decorati=
on-thickness: initial; text-decoration-style: initial; text-decoration=
-color: initial'>that's about all the detail I can give you... any ide=
as why it stalled and quit..???&nbsp;&nbsp; and why the terminal point=
 only reads 11.5 versus the 14.5 at the alternator.</SPAN></DIV>
<DIV><SPAN style=3D'FONT-SIZE: 13px; FONT-FAMILY: Verdana, geneva, luc=
ida, "lucida grande", arial, helvetica, sans-serif; WHITE-SPACE: norma=
l; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FLOAT: none; FONT-WEIGHT: =
400; COLOR: rgb(34,34,34); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; =
DISPLAY: inline !important; LETTER-SPACING: normal; BACKGROUND-COLOR: =
rgb(255,255,255); TEXT-INDENT: 0px; font-variant-ligatures: normal; fo=
nt-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decorati=
on-thickness: initial; text-decoration-style: initial; text-decoration=
-color: initial'></SPAN>&nbsp;</DIV>
<DIV><SPAN style=3D'FONT-SIZE: 13px; FONT-FAMILY: Verdana, geneva, luc=
ida, "lucida grande", arial, helvetica, sans-serif; WHITE-SPACE: norma=
l; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FLOAT: none; FONT-WEIGHT: =
400; COLOR: rgb(34,34,34); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; =
DISPLAY: inline !important; LETTER-SPACING: normal; BACKGROUND-COLOR: =
rgb(255,255,255); TEXT-INDENT: 0px; font-variant-ligatures: normal; fo=
nt-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decorati=
on-thickness: initial; text-decoration-style: initial; text-decoration=
-color: initial'>I'm at the wall</SPAN></DIV>
<DIV><SPAN style=3D'FONT-SIZE: 13px; FONT-FAMILY: Verdana, geneva, luc=
ida, "lucida grande", arial, helvetica, sans-serif; WHITE-SPACE: norma=
l; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FLOAT: none; FONT-WEIGHT: =
400; COLOR: rgb(34,34,34); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; =
DISPLAY: inline !important; LETTER-SPACING: normal; BACKGROUND-COLOR: =
rgb(255,255,255); TEXT-INDENT: 0px; font-variant-ligatures: normal; fo=
nt-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decorati=
on-thickness: initial; text-decoration-style: initial; text-decoration=
-color: initial'></SPAN>&nbsp;</DIV>
<DIV><SPAN style=3D'FONT-SIZE: 13px; FONT-FAMILY: Verdana, geneva, luc=
ida, "lucida grande", arial, helvetica, sans-serif; WHITE-SPACE: norma=
l; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FLOAT: none; FONT-WEIGHT: =
400; COLOR: rgb(34,34,34); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; =
DISPLAY: inline !important; LETTER-SPACING: normal; BACKGROUND-COLOR: =
rgb(255,255,255); TEXT-INDENT: 0px; font-variant-ligatures: normal; fo=
nt-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decorati=
on-thickness: initial; text-decoration-style: initial; text-decoration=
-color: initial'>thanks</SPAN></DIV>
<DIV><SPAN style=3D'FONT-SIZE: 13px; FONT-FAMILY: Verdana, geneva, luc=
ida, "lucida grande", arial, helvetica, sans-serif; WHITE-SPACE: norma=
l; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FLOAT: none; FONT-WEIGHT: =
400; COLOR: rgb(34,34,34); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; =
DISPLAY: inline !important; LETTER-SPACING: normal; BACKGROUND-COLOR: =
rgb(255,255,255); TEXT-INDENT: 0px; font-variant-ligatures: normal; fo=
nt-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decorati=
on-thickness: initial; text-decoration-style: initial; text-decoration=
-color: initial'>john</SPAN></DIV></BODY></HTML>

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_______________________________________________

[email-masked]
Archive: http://www.team.net/pipermail/shop-talk http://autox.team.net/archive

--===============2957295480062895189==--

---

From: Jeff Scarbrough <[email-masked]>
Date: Fri, 6 Aug 2021 05:18:49 -0400

When it died, did any of the electrical items still work?  Lights, etc.?

My suspicion based on reading this at 5:00 AM is an intermittent short
in the battery itself.  Regular lead-acid battery?

Jeff Scarbrough
Corrosion Acres, Ga.

On Fri, Aug 6, 2021 at 12:07 AM john niolon <[email-masked]> wrote:
>
> Took the truck (53 ford f-100) out for a drive yesterday…first time since the Grand Nationals (I’ve been busy) Ran great for about 30 minutes with a couple of stops during the ride… each time it started right and showed no problems. Electric fan and a/c running the whole time As I pulled out of one business and headed home the truck stumbled and died..almost like it was out of gas… ( had over a half a tank) I pulled into a business and tried to start it and all I got was a ‘click”. Dash Volt meter read about 11 volts with switch on and dropped to zero when hitting the starter. Waited about 10 minutes and it started right up… got it home, shut it off and same thing “click”.
>
> Battery has been on a battery tender full time since May and showed 13.7 volts on VOM connected to the battery before the ride.
>
> Battery is 2 years old Everstart Maxx27 800 CCA …
>
> Davis DUI ignition (which could have quit when battery voltage got low)
>
> All cables are new with 1/0 welding cable for starting circuit and battery ground to frame
> engine to frame, frame to cab and frame to bed are all #4 wire to bare metal connection points with dialectic grease.
>
> At first glance...when running,  the volt meter on dash shows over 13 volts so I think alternator is good
>
> did a load test with a H.F. (100 amp) load tester showed battery dropping to 10 volts during 10 second load... recovered to 12.
>
> Put truck up on stands and dropped battery (under cab)  checked all cables and connections from battery to starter including solenoid and ground connections.
> all tight, no corrosion on terminals and  cells full.  this truck finished last year and everything is new.  Starter solenoid is a Cole-Hersee 200 amp continuous draw solenoid.
>
> Starter is new last year and 6-7 inches away and below headers so heat soak isn't causing the problem
>
> Set it back down and charged it for 30 minutes at 10 amps... battery showed 12.9 volts..  started ok and put meter on alternator
> terminals... alternator putting out 14.5 - 14.8 volts...  varies a little with engine speed.... so alternator is good I think.
>
>  I did a load test again.,.. idle voltage reading 12.9 volts on two different fluke meters... and during the load test it dropped to 12.3 then recovered to 12.7...so I'm assuming the battery is good, it was just low before the first load test.
>
> here's an odd thing.. I have a 12 volt terminal on the right frame rail that powers the elec radiator fan, tilt hood motors and trinary switch
>
> with the a/c on, headlights on and elec radiator fan running (as much load as I can put on it)... the alternator o/p at 14.5 volts, the voltage at the terminal on rail reads 11.5 volts.  The terminal is 4' from battery and fed with #4 stranded wire.
>
> that's about all the detail I can give you... any ideas why it stalled and quit..???   and why the terminal point only reads 11.5 versus the 14.5 at the alternator.
>
> I'm at the wall
>
> thanks
> john
> Donate: http://www.team.net/donate.html
> Suggested annual donation  $12.96
> Unsubscribe/Manage: http://autox.team.net/mailman/options/shop-talk/[email-masked]
>

[email-masked]
Donate: http://www.team.net/donate.html
Suggested annual donation  $12.96
Archive: http://www.team.net/pipermail/shop-talk http://autox.team.net/archive

Unsubscribe/Manage: http://autox.team.net/mailman/options/shop-talk/[email-masked]

---

From: Donald H Locker <[email-masked]>
Date: Fri, 6 Aug 2021 05:39:44 -0400

[Re-sending because I failed to copy the list; if I've misstated
anything, I want to hear the corrections.]

How large is the cable from the alternator to the battery? That should
be #4 minimum also, else the voltage drop from alternator to battery
will reduce the battery's voltage such that it won't really charge.

Voltage at the battery posts is what drives current in. If it is less
than 13.2+/- volts, the battery won't be charging.

The battery voltages all sound somewhat low, which is why I'm suspecting
alternator-to-battery connection. It could also be resistance in the
alternator frame to engine to vehicle frame to battery post connection
chain.

HTH,
Donald.
--
*Plain Text* email -- it's an accessibility issue
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On 2021-08-05 10:33 a.m., john niolon wrote:
> Took the truck (53 ford f-100) out for a drive yesterday…first time
> since the Grand Nationals (I’ve been busy) Ran great for about 30
> minutes with a couple of stops during the ride… each time it started
> right and showed no problems. Electric fan and a/c running the whole
> time As I pulled out of one business and headed home the truck stumbled
> and died..almost like it was out of gas… ( had over a half a tank) I
> pulled into a business and tried to start it and all I got was a
> ‘click”. Dash Volt meter read about 11 volts with switch on and dropped
> to zero when hitting the starter. Waited about 10 minutes and it started
> right up… got it home, shut it off and same thing “click”.
> 
> Battery has been on a battery tender full time since May and showed 13.7
> volts on VOM connected to the battery before the ride.
> 
> engine to frame, frame to cab and frame to bed are all #4 wire to bare
> metal connection points with dialectic grease.
> 
> did a load test with a H.F. (100 amp) load tester showed battery
> dropping to 10 volts during 10 second load... recovered to 12. 
>  
> Put truck up on stands and dropped battery (under cab)  checked all
> cables and connections from battery to starter including solenoid and
> ground connections.
> all tight, no corrosion on terminals and  cells full.  this truck
> finished last year and everything is new.  Starter solenoid is
> a Cole-Hersee 200 amp continuous draw solenoid.
>  
> Set it back down and charged it for 30 minutes at 10 amps... battery
> showed 12.9 volts..  started ok and put meter on alternator
> terminals... alternator putting out 14.5 - 14.8 volts...  varies
> a little with engine speed.... so alternator is good I think.
>  
>  I did a load test again.,.. idle voltage reading 12.9 volts on two
> different fluke meters... and during the load test it dropped to 12.3
> then recovered to 12.7...so I'm assuming the battery is good, it was
> just low before the first load test.
>  
> here's an odd thing.. I have a 12 volt terminal on the right frame rail
> that powers the elec radiator fan, tilt hood motors and trinary switch
>  
> with the a/c on, headlights on and elec radiator fan running (as much
> load as I can put on it)... the alternator o/p at 14.5 volts, the
> voltage at the terminal on rail reads 11.5 volts.  The terminal is 4'
> that's about all the detail I can give you... any ideas why it stalled
> and quit..???   and why the terminal point only reads 11.5 versus the
> 14.5 at the alternator.
>  
> I'm at the wall
>  
> thanks
> john
> 
> Unsubscribe/Manage: http://autox.team.net/mailman/options/shop-talk/[email-masked]
> 

[email-masked]

utox.team.net

---

From: DAVID MASSEY <[email-masked]>
Date: Fri, 6 Aug 2021 12:49:21 +0000 (UTC)

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 I was thinking a dirty battery clamp.
=20
Dave=20

=20
=20
-----Original Message-----
From: Jeff Scarbrough <[email-masked]>
To: john niolon <[email-masked]>
Cc: shop-talk <[email-masked]>
Sent: Fri, Aug 6, 2021 4:18 am
Subject: Re: [Shop-talk] electrical problems with truck

When it died, did any of the electrical items still work?=C2=A0 Lights, etc=
.?

My suspicion based on reading this at 5:00 AM is an intermittent short
in the battery itself.=C2=A0 Regular lead-acid battery?

Jeff Scarbrough
Corrosion Acres, Ga.

On Fri, Aug 6, 2021 at 12:07 AM john niolon <[email-masked]> wrote:
>
> Took the truck (53 ford f-100) out for a drive yesterday=E2=80=A6first ti=
me since the Grand Nationals (I=E2=80=99ve been busy) Ran great for about 3=
0 minutes with a couple of stops during the ride=E2=80=A6 each time it star=
ted right and showed no problems. Electric fan and a/c running the whole ti=
me As I pulled out of one business and headed home the truck stumbled and d=
ied..almost like it was out of gas=E2=80=A6 ( had over a half a tank) I pul=
led into a business and tried to start it and all I got was a =E2=80=98clic=
k=E2=80=9D. Dash Volt meter read about 11 volts with switch on and dropped =
to zero when hitting the starter. Waited about 10 minutes and it started ri=
ght up=E2=80=A6 got it home, shut it off and same thing =E2=80=9Cclick=E2=
=80=9D.
>
> Battery has been on a battery tender full time since May and showed 13.7 =
>
> Battery is 2 years old Everstart Maxx27 800 CCA =E2=80=A6
>
> All cables are new with 1/0 welding cable for starting circuit and batter=
y ground to frame
> engine to frame, frame to cab and frame to bed are all #4 wire to bare me=
tal connection points with dialectic grease.
>
> At first glance...when running,=C2=A0 the volt meter on dash shows over 1=
3 volts so I think alternator is good
>
> did a load test with a H.F. (100 amp) load tester showed battery dropping=
 to 10 volts during 10 second load... recovered to 12.
>
> Put truck up on stands and dropped battery (under cab)=C2=A0 checked all =
cables and connections from battery to starter including solenoid and groun=
d connections.
> all tight, no corrosion on terminals and=C2=A0 cells full.=C2=A0 this tru=
ck finished last year and everything is new.=C2=A0 Starter solenoid is a Co=
le-Hersee 200 amp continuous draw solenoid.
>
> Starter is new last year and 6-7 inches away and below headers so heat so=
ak isn't causing the problem
>
> Set it back down and charged it for 30 minutes at 10 amps... battery show=
ed 12.9 volts..=C2=A0 started ok and put meter on alternator
> terminals... alternator putting out 14.5 - 14.8 volts...=C2=A0 varies a l=
ittle with engine speed.... so alternator is good I think.
>
>=C2=A0 I did a load test again.,.. idle voltage reading 12.9 volts on two =
different fluke meters... and during the load test it dropped to 12.3 then =
recovered to 12.7...so I'm assuming the battery is good, it was just low be=
fore the first load test.
>
> here's an odd thing.. I have a 12 volt terminal on the right frame rail t=
hat powers the elec radiator fan, tilt hood motors and trinary switch
>
> with the a/c on, headlights on and elec radiator fan running (as much loa=
d as I can put on it)... the alternator o/p at 14.5 volts, the voltage at t=
he terminal on rail reads 11.5 volts.=C2=A0 The terminal is 4' from battery=
 and fed with #4 stranded wire.
>
> that's about all the detail I can give you... any ideas why it stalled an=
d quit..???=C2=A0 and why the terminal point only reads 11.5 versus the 14.=
5 at the alternator.
> Suggested annual donation=C2=A0 $12.96
> Archive: http://www.team.net/pipermail/shop-talk http://autox.team.net/ar=
chive
>
> Unsubscribe/Manage: http://autox.team.net/mailman/options/shop-talk/fishp=
[email-masked]

[email-masked]
Archive: http://www.team.net/pipermail/shop-talk http://autox.team.net/arch=
ive

[email-masked]

------=_Part_71498_933446830.1628254161955
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<div style=3D"color:black;font: 12pt Arial, Helvetica, sans-serif;">
<div> <font size=3D"3">I was thinking a dirty battery clamp.</font><br>
</div>

<div> <br>
</div>

<div style=3D"clear:both"><font size=3D"4">Dave </font><br>
<br>
</div>

<div> <br>
</div>

<div> <br>
</div>

<div style=3D"font-family:arial,helvetica;font-size:10pt;color:black"><font=
 size=3D"2">-----Original Message-----<br>
From: Jeff Scarbrough &lt;[email-masked]&gt;<br>
To: john niolon &lt;[email-masked]&gt;<br>
Cc: shop-talk &lt;[email-masked]&gt;<br>
Sent: Fri, Aug 6, 2021 4:18 am<br>
Subject: Re: [Shop-talk] electrical problems with truck<br>
<br>

<div dir=3D"ltr">When it died, did any of the electrical items still work?&=
nbsp; Lights, etc.?<br clear=3D"none"><br clear=3D"none">My suspicion based=
 on reading this at 5:00 AM is an intermittent short<br clear=3D"none">in t=
he battery itself.&nbsp; Regular lead-acid battery?<br clear=3D"none"><br c=
lear=3D"none">Jeff Scarbrough<br clear=3D"none">Corrosion Acres, Ga.<br cle=
ar=3D"none"><br clear=3D"none">On Fri, Aug 6, 2021 at 12:07 AM john niolon =
&lt;<a shape=3D"rect" ymailto=3D"mailto:[email-masked]" href=3D"mailto:jni=
[email-masked]">[email-masked]</a>&gt; wrote:<br clear=3D"none">&gt;<br clea=
r=3D"none">&gt; Took the truck (53 ford f-100) out for a drive yesterday=E2=
=80=A6first time since the Grand Nationals (I=E2=80=99ve been busy) Ran gre=
at for about 30 minutes with a couple of stops during the ride=E2=80=A6 eac=
h time it started right and showed no problems. Electric fan and a/c runnin=
g the whole time As I pulled out of one business and headed home the truck =
stumbled and died..almost like it was out of gas=E2=80=A6 ( had over a half=
 a tank) I pulled into a business and tried to start it and all I got was a=
 =E2=80=98click=E2=80=9D. Dash Volt meter read about 11 volts with switch o=
n and dropped to zero when hitting the starter. Waited about 10 minutes and=
 it started right up=E2=80=A6 got it home, shut it off and same thing =E2=
=80=9Cclick=E2=80=9D.<br clear=3D"none">&gt;<br clear=3D"none">&gt; Battery=
 has been on a battery tender full time since May and showed 13.7 volts on =
VOM connected to the battery before the ride.<br clear=3D"none">&gt;<br cle=
ar=3D"none">&gt; Battery is 2 years old Everstart Maxx27 800 CCA =E2=80=A6<=
br clear=3D"none">&gt;<br clear=3D"none">&gt; Davis DUI ignition (which cou=
ld have quit when battery voltage got low)<br clear=3D"none">&gt;<br clear=
=3D"none">&gt; All cables are new with 1/0 welding cable for starting circu=
it and battery ground to frame<br clear=3D"none">&gt; engine to frame, fram=
e to cab and frame to bed are all #4 wire to bare metal connection points w=
ith dialectic grease.<br clear=3D"none">&gt;<br clear=3D"none">&gt; At firs=
t glance...when running,&nbsp; the volt meter on dash shows over 13 volts s=
o I think alternator is good<br clear=3D"none">&gt;<br clear=3D"none">&gt; =
did a load test with a H.F. (100 amp) load tester showed battery dropping t=
o 10 volts during 10 second load... recovered to 12.<br clear=3D"none">&gt;=
<br clear=3D"none">&gt; Put truck up on stands and dropped battery (under c=
ab)&nbsp; checked all cables and connections from battery to starter includ=
ing solenoid and ground connections.<br clear=3D"none">&gt; all tight, no c=
orrosion on terminals and&nbsp; cells full.&nbsp; this truck finished last =
year and everything is new.&nbsp; Starter solenoid is a Cole-Hersee 200 amp=
 continuous draw solenoid.<br clear=3D"none">&gt;<br clear=3D"none">&gt; St=
arter is new last year and 6-7 inches away and below headers so heat soak i=
sn't causing the problem<br clear=3D"none">&gt;<br clear=3D"none">&gt; Set =
it back down and charged it for 30 minutes at 10 amps... battery showed 12.=
9 volts..&nbsp; started ok and put meter on alternator<br clear=3D"none">&g=
t; terminals... alternator putting out 14.5 - 14.8 volts...&nbsp; varies a =
little with engine speed.... so alternator is good I think.<br clear=3D"non=
e">&gt;<br clear=3D"none">&gt;&nbsp; I did a load test again.,.. idle volta=
ge reading 12.9 volts on two different fluke meters... and during the load =
test it dropped to 12.3 then recovered to 12.7...so I'm assuming the batter=
y is good, it was just low before the first load test.<br clear=3D"none">&g=
t;<br clear=3D"none">&gt; here's an odd thing.. I have a 12 volt terminal o=
n the right frame rail that powers the elec radiator fan, tilt hood motors =
and trinary switch<br clear=3D"none">&gt;<br clear=3D"none">&gt; with the a=
/c on, headlights on and elec radiator fan running (as much load as I can p=
ut on it)... the alternator o/p at 14.5 volts, the voltage at the terminal =
on rail reads 11.5 volts.&nbsp; The terminal is 4' from battery and fed wit=
h #4 stranded wire.<br clear=3D"none">&gt;<br clear=3D"none">&gt; that's ab=
out all the detail I can give you... any ideas why it stalled and quit..???=
&nbsp;  and why the terminal point only reads 11.5 versus the 14.5 at the a=
lternator.<br clear=3D"none">&gt;<br clear=3D"none">&gt; I'm at the wall<br=
 clear=3D"none">&gt;<br clear=3D"none">&gt; thanks<br clear=3D"none">&gt; j=
ohn<br clear=3D"none">&gt; _______________________________________________<=
br clear=3D"none">&gt;<br clear=3D"none">&gt; <a shape=3D"rect" ymailto=3D"=
mailto:[email-masked]" href=3D"mailto:[email-masked]">S=
[email-masked]</a><br clear=3D"none">&gt; Donate: <a shape=3D"rect=
" href=3D"http://www.team.net/donate.html" target=3D"_blank">http://www.tea=
m.net/donate.html</a><br clear=3D"none">&gt; Suggested annual donation&nbsp=
; $12.96<br clear=3D"none">&gt; Archive: <a shape=3D"rect" href=3D"http://w=
ww.team.net/pipermail/shop-talk" target=3D"_blank">http://www.team.net/pipe=
rmail/shop-talk </a><a shape=3D"rect" href=3D"http://autox.team.net/archive=
" target=3D"_blank">http://autox.team.net/archive</a><br clear=3D"none">&gt=
;<br clear=3D"none">&gt; Unsubscribe/Manage: <a shape=3D"rect" href=3D"http=
://autox.team.net/mailman/options/shop-talk/[email-masked]" target=3D"=
_blank">http://autox.team.net/mailman/options/shop-talk/[email-masked]=
</a>
<div class=3D"yqt8810267063" id=3D"yqtfd91141"><br clear=3D"none">&gt;<br c=
lear=3D"none">_______________________________________________<br clear=3D"n=
one"><br clear=3D"none"><a shape=3D"rect" ymailto=3D"mailto:Shop-talk@autox=
.team.net" href=3D"mailto:[email-masked]">[email-masked]=
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ve: <a shape=3D"rect" href=3D"http://www.team.net/pipermail/shop-talk" targ=
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hop-talk/[email-masked]</a><br clear=3D"none"><br clear=3D"none"></div>
</div>
</font></div>
</div>

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[email-masked]

--===============3388567922725846693==--

---

From: John Innis <[email-masked]>
Date: Fri, 6 Aug 2021 07:49:15 -0500

--===============3630685227817797889==

--000000000000392ab505c8e37708
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This sounds like a bad/intermittent ground.  We had very similar issues on
a friends car and eventually trace it to the engine to frame ground strap.
The strap was loose and when it rattled just right there was a large
voltage drop and stuff stopped working.  But when we checked voltage,
everything seemed fine.  How is the volt meter in your truck grounded, to
the frame or to the motor?

> Took the truck (53 ford f-100) out for a drive yesterday=E2=80=A6first ti=
me since
> the Grand Nationals (I=E2=80=99ve been busy) Ran great for about 30 minut=
es with a
> couple of stops during the ride=E2=80=A6 each time it started right and s=
howed no
> problems. Electric fan and a/c running the whole time As I pulled out of
> one business and headed home the truck stumbled and died..almost like it
> was out of gas=E2=80=A6 ( had over a half a tank) I pulled into a busines=
s and
> tried to start it and all I got was a =E2=80=98click=E2=80=9D. Dash Volt =
meter read about
> 11 volts with switch on and dropped to zero when hitting the starter.
> Waited about 10 minutes and it started right up=E2=80=A6 got it home, shu=
t it off
> and same thing =E2=80=9Cclick=E2=80=9D.
>
y
> did a load test with a H.F. (100 amp) load tester showed battery dropping
> Put truck up on stands and dropped battery (under cab)  checked all cable=
s
> and connections from battery to starter including solenoid and ground
> connections.
> terminals... alternator putting out 14.5 - 14.8 volts...  varies a little
> with engine speed.... so alternator is good I think.
>
> different fluke meters... and during the load test it dropped to 12.3 the=
n
> recovered to 12.7...so I'm assuming the battery is good, it was just low
> before the first load test.
>
d
> as I can put on it)... the alternator o/p at 14.5 volts, the voltage at t=
he
> terminal on rail reads 11.5 volts.  The terminal is 4' from battery and f=
ed
> with #4 stranded wire.
d
> quit..???   and why the terminal point only reads 11.5 versus the 14.5 at
> the alternator.
>
> I'm at the wall
>
> thanks
> john
> Unsubscribe/Manage:
> http://autox.team.net/mailman/options/shop-talk/[email-masked]
>
>

--=20
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D
=3D Never offend people with style when you   =3D
=3D can offend with substance --- Sam Brown  =3D
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D

--000000000000392ab505c8e37708
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr">This sounds like a bad/intermittent ground.=C2=A0 We had v=
ery similar issues on a friends car and eventually trace it to the engine t=
o frame ground strap.=C2=A0 The strap was loose and when it rattled just ri=
ght there was a large voltage drop and stuff stopped working.=C2=A0 But whe=
n we checked voltage, everything seemed fine.=C2=A0 How is the volt meter i=
n your truck grounded, to the frame or to the motor?<br></div><br><div clas=
s=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Thu, Aug 5, 2021=
 at 11:07 PM john niolon &lt;<a href=3D"mailto:[email-masked]">jniolon@att=
.net</a>&gt; wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"mar=
gin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1=
ex">

<div class=3D"gmail-m_2315766880582515852OECFntDef">
<div><span style=3D"font-size:13px;font-family:Verdana,geneva,lucida,&quot;=
lucida grande&quot;,arial,helvetica,sans-serif;white-space:normal;word-spac=
ing:0px;text-transform:none;float:none;font-weight:400;color:rgb(34,34,34);=
font-style:normal;display:inline;letter-spacing:normal;background-color:rgb=
(255,255,255);text-indent:0px;font-variant-ligatures:normal;font-variant-ca=
ps:normal;text-decoration-style:initial;text-decoration-color:initial">Took=
 the truck (53 ford f-100)=C2=A0out for a drive yesterday=E2=80=A6first tim=
e since the Grand Nationals (I=E2=80=99ve been busy) Ran great for about 30=
 minutes with a couple of stops during the ride=E2=80=A6 each time it start=
ed right and showed no problems. Electric fan and a/c running the whole tim=
e As I pulled out of one business and headed home the truck stumbled and di=
ed..almost like it was out of gas=E2=80=A6 ( had over a half a tank) I pull=
ed into a business and tried to start it and all I got was a =E2=80=98click=
=E2=80=9D. Dash Volt meter read about 11 volts with switch on and dropped t=
o zero when hitting the starter. Waited about 10 minutes and it started rig=
ht up=E2=80=A6 got it home, shut it off and same thing =E2=80=9Cclick=E2=80=
=9D.</span><br style=3D"box-sizing:border-box;font-size:13px;font-family:Ve=
rdana,geneva,lucida,&quot;lucida grande&quot;,arial,helvetica,sans-serif;wh=
ite-space:normal;word-spacing:0px;text-transform:none;font-weight:400;color=
:rgb(34,34,34);font-style:normal;letter-spacing:normal;background-color:rgb=
(255,255,255);text-indent:0px;font-variant-ligatures:normal;font-variant-ca=
ps:normal;text-decoration-style:initial;text-decoration-color:initial"><br =
style=3D"box-sizing:border-box;font-size:13px;font-family:Verdana,geneva,lu=
cida,&quot;lucida grande&quot;,arial,helvetica,sans-serif;white-space:norma=
l;word-spacing:0px;text-transform:none;font-weight:400;color:rgb(34,34,34);=
font-style:normal;letter-spacing:normal;background-color:rgb(255,255,255);t=
ext-indent:0px;font-variant-ligatures:normal;font-variant-caps:normal;text-=
decoration-style:initial;text-decoration-color:initial"><span style=3D"font=
-size:13px;font-family:Verdana,geneva,lucida,&quot;lucida grande&quot;,aria=
l,helvetica,sans-serif;white-space:normal;word-spacing:0px;text-transform:n=
one;float:none;font-weight:400;color:rgb(34,34,34);font-style:normal;displa=
y:inline;letter-spacing:normal;background-color:rgb(255,255,255);text-inden=
t:0px;font-variant-ligatures:normal;font-variant-caps:normal;text-decoratio=
n-style:initial;text-decoration-color:initial">Battery has been on a batter=
y tender full time since May and showed 13.7 volts on VOM connected to the =
battery before the ride.</span><br style=3D"box-sizing:border-box;font-size=
:13px;font-family:Verdana,geneva,lucida,&quot;lucida grande&quot;,arial,hel=
vetica,sans-serif;white-space:normal;word-spacing:0px;text-transform:none;f=
ont-weight:400;color:rgb(34,34,34);font-style:normal;letter-spacing:normal;=
background-color:rgb(255,255,255);text-indent:0px;font-variant-ligatures:no=
rmal;font-variant-caps:normal;text-decoration-style:initial;text-decoration=
-color:initial"><br style=3D"box-sizing:border-box;font-size:13px;font-fami=
ly:Verdana,geneva,lucida,&quot;lucida grande&quot;,arial,helvetica,sans-ser=
if;white-space:normal;word-spacing:0px;text-transform:none;font-weight:400;=
color:rgb(34,34,34);font-style:normal;letter-spacing:normal;background-colo=
r:rgb(255,255,255);text-indent:0px;font-variant-ligatures:normal;font-varia=
nt-caps:normal;text-decoration-style:initial;text-decoration-color:initial"=
><span style=3D"font-size:13px;font-family:Verdana,geneva,lucida,&quot;luci=
da grande&quot;,arial,helvetica,sans-serif;white-space:normal;word-spacing:=
0px;text-transform:none;float:none;font-weight:400;color:rgb(34,34,34);font=
-style:normal;display:inline;letter-spacing:normal;background-color:rgb(255=
,255,255);text-indent:0px;font-variant-ligatures:normal;font-variant-caps:n=
ormal;text-decoration-style:initial;text-decoration-color:initial">Battery =
is 2 years old Everstart Maxx27 800 CCA =E2=80=A6=C2=A0 </span><br style=3D=
"box-sizing:border-box;font-size:13px;font-family:Verdana,geneva,lucida,&qu=
ot;lucida grande&quot;,arial,helvetica,sans-serif;white-space:normal;word-s=
pacing:0px;text-transform:none;font-weight:400;color:rgb(34,34,34);font-sty=
le:normal;letter-spacing:normal;background-color:rgb(255,255,255);text-inde=
nt:0px;font-variant-ligatures:normal;font-variant-caps:normal;text-decorati=
on-style:initial;text-decoration-color:initial"><br style=3D"box-sizing:bor=
der-box;font-size:13px;font-family:Verdana,geneva,lucida,&quot;lucida grand=
e&quot;,arial,helvetica,sans-serif;white-space:normal;word-spacing:0px;text=
-transform:none;font-weight:400;color:rgb(34,34,34);font-style:normal;lette=
r-spacing:normal;background-color:rgb(255,255,255);text-indent:0px;font-var=
iant-ligatures:normal;font-variant-caps:normal;text-decoration-style:initia=
l;text-decoration-color:initial"><span style=3D"font-size:13px;font-family:=
Verdana,geneva,lucida,&quot;lucida grande&quot;,arial,helvetica,sans-serif;=
white-space:normal;word-spacing:0px;text-transform:none;float:none;font-wei=
ght:400;color:rgb(34,34,34);font-style:normal;display:inline;letter-spacing=
:normal;background-color:rgb(255,255,255);text-indent:0px;font-variant-liga=
tures:normal;font-variant-caps:normal;text-decoration-style:initial;text-de=
coration-color:initial">Davis DUI ignition (which could have quit when batt=
ery voltage got low)</span><br style=3D"box-sizing:border-box;font-size:13p=
x;font-family:Verdana,geneva,lucida,&quot;lucida grande&quot;,arial,helveti=
ca,sans-serif;white-space:normal;word-spacing:0px;text-transform:none;font-=
weight:400;color:rgb(34,34,34);font-style:normal;letter-spacing:normal;back=
ground-color:rgb(255,255,255);text-indent:0px;font-variant-ligatures:normal=
;font-variant-caps:normal;text-decoration-style:initial;text-decoration-col=
or:initial"><br style=3D"box-sizing:border-box;font-size:13px;font-family:V=
erdana,geneva,lucida,&quot;lucida grande&quot;,arial,helvetica,sans-serif;w=
hite-space:normal;word-spacing:0px;text-transform:none;font-weight:400;colo=
r:rgb(34,34,34);font-style:normal;letter-spacing:normal;background-color:rg=
b(255,255,255);text-indent:0px;font-variant-ligatures:normal;font-variant-c=
aps:normal;text-decoration-style:initial;text-decoration-color:initial"><sp=
an style=3D"font-size:13px;font-family:Verdana,geneva,lucida,&quot;lucida g=
rande&quot;,arial,helvetica,sans-serif;white-space:normal;word-spacing:0px;=
text-transform:none;float:none;font-weight:400;color:rgb(34,34,34);font-sty=
le:normal;display:inline;letter-spacing:normal;background-color:rgb(255,255=
,255);text-indent:0px;font-variant-ligatures:normal;font-variant-caps:norma=
l;text-decoration-style:initial;text-decoration-color:initial">All cables a=
re new with 1/0 welding cable for starting circuit and battery ground to fr=
ame</span></div>
<div><span style=3D"font-size:13px;font-family:Verdana,geneva,lucida,&quot;=
lucida grande&quot;,arial,helvetica,sans-serif;white-space:normal;word-spac=
ing:0px;text-transform:none;float:none;font-weight:400;color:rgb(34,34,34);=
font-style:normal;display:inline;letter-spacing:normal;background-color:rgb=
(255,255,255);text-indent:0px;font-variant-ligatures:normal;font-variant-ca=
ps:normal;text-decoration-style:initial;text-decoration-color:initial">engi=
ne to frame, frame to cab and frame to bed are all #4 wire to bare metal co=
nnection points with dialectic grease.</span><br style=3D"box-sizing:border=
-box;font-size:13px;font-family:Verdana,geneva,lucida,&quot;lucida grande&q=
uot;,arial,helvetica,sans-serif;white-space:normal;word-spacing:0px;text-tr=
ansform:none;font-weight:400;color:rgb(34,34,34);font-style:normal;letter-s=
pacing:normal;background-color:rgb(255,255,255);text-indent:0px;font-varian=
t-ligatures:normal;font-variant-caps:normal;text-decoration-style:initial;t=
ext-decoration-color:initial"><br style=3D"box-sizing:border-box;font-size:=
13px;font-family:Verdana,geneva,lucida,&quot;lucida grande&quot;,arial,helv=
etica,sans-serif;white-space:normal;word-spacing:0px;text-transform:none;fo=
nt-weight:400;color:rgb(34,34,34);font-style:normal;letter-spacing:normal;b=
ackground-color:rgb(255,255,255);text-indent:0px;font-variant-ligatures:nor=
mal;font-variant-caps:normal;text-decoration-style:initial;text-decoration-=
color:initial"><span style=3D"font-size:13px;font-family:Verdana,geneva,luc=
ida,&quot;lucida grande&quot;,arial,helvetica,sans-serif;white-space:normal=
;word-spacing:0px;text-transform:none;float:none;font-weight:400;color:rgb(=
34,34,34);font-style:normal;display:inline;letter-spacing:normal;background=
-color:rgb(255,255,255);text-indent:0px;font-variant-ligatures:normal;font-=
variant-caps:normal;text-decoration-style:initial;text-decoration-color:ini=
tial">At first glance...when running, =C2=A0the volt meter on dash shows ov=
er 13 volts so I think alternator is good </span></div>
<div><span style=3D"font-size:13px;font-family:Verdana,geneva,lucida,&quot;=
lucida grande&quot;,arial,helvetica,sans-serif;white-space:normal;word-spac=
ing:0px;text-transform:none;float:none;font-weight:400;color:rgb(34,34,34);=
font-style:normal;display:inline;letter-spacing:normal;background-color:rgb=
(255,255,255);text-indent:0px;font-variant-ligatures:normal;font-variant-ca=
ps:normal;text-decoration-style:initial;text-decoration-color:initial"></sp=
an>=C2=A0</div>
<div><span style=3D"font-size:13px;font-family:Verdana,geneva,lucida,&quot;=
lucida grande&quot;,arial,helvetica,sans-serif;white-space:normal;word-spac=
ing:0px;text-transform:none;float:none;font-weight:400;color:rgb(34,34,34);=
font-style:normal;display:inline;letter-spacing:normal;background-color:rgb=
(255,255,255);text-indent:0px;font-variant-ligatures:normal;font-variant-ca=
ps:normal;text-decoration-style:initial;text-decoration-color:initial"><spa=
n style=3D"font-size:13px;font-family:Verdana,geneva,lucida,&quot;lucida gr=
ande&quot;,arial,helvetica,sans-serif;white-space:normal;word-spacing:0px;t=
ext-transform:none;float:none;font-weight:400;color:rgb(34,34,34);font-styl=
e:normal;display:inline;letter-spacing:normal;background-color:rgb(255,255,=
255);text-indent:0px;font-variant-ligatures:normal;font-variant-caps:normal=
;text-decoration-style:initial;text-decoration-color:initial">did a load te=
st with a H.F. (100 amp)=C2=A0load tester showed battery dropping to 10 vol=
ts during 10 second load... recovered to 12.=C2=A0</span></span></div>
<div><span style=3D"font-size:13px;font-family:Verdana,geneva,lucida,&quot;=
lucida grande&quot;,arial,helvetica,sans-serif;white-space:normal;word-spac=
ing:0px;text-transform:none;float:none;font-weight:400;color:rgb(34,34,34);=
font-style:normal;display:inline;letter-spacing:normal;background-color:rgb=
(255,255,255);text-indent:0px;font-variant-ligatures:normal;font-variant-ca=
ps:normal;text-decoration-style:initial;text-decoration-color:initial"><spa=
n style=3D"font-size:13px;font-family:Verdana,geneva,lucida,&quot;lucida gr=
ande&quot;,arial,helvetica,sans-serif;white-space:normal;word-spacing:0px;t=
ext-transform:none;float:none;font-weight:400;color:rgb(34,34,34);font-styl=
e:normal;display:inline;letter-spacing:normal;background-color:rgb(255,255,=
255);text-indent:0px;font-variant-ligatures:normal;font-variant-caps:normal=
;text-decoration-style:initial;text-decoration-color:initial"></span></span=
>=C2=A0</div>
<div><span style=3D"font-size:13px;font-family:Verdana,geneva,lucida,&quot;=
lucida grande&quot;,arial,helvetica,sans-serif;white-space:normal;word-spac=
ing:0px;text-transform:none;float:none;font-weight:400;color:rgb(34,34,34);=
font-style:normal;display:inline;letter-spacing:normal;background-color:rgb=
(255,255,255);text-indent:0px;font-variant-ligatures:normal;font-variant-ca=
ps:normal;text-decoration-style:initial;text-decoration-color:initial"><spa=
n style=3D"font-size:13px;font-family:Verdana,geneva,lucida,&quot;lucida gr=
ande&quot;,arial,helvetica,sans-serif;white-space:normal;word-spacing:0px;t=
ext-transform:none;float:none;font-weight:400;color:rgb(34,34,34);font-styl=
e:normal;display:inline;letter-spacing:normal;background-color:rgb(255,255,=
255);text-indent:0px;font-variant-ligatures:normal;font-variant-caps:normal=
;text-decoration-style:initial;text-decoration-color:initial"></span></span=
><span style=3D"font-size:13px;font-family:Verdana,geneva,lucida,&quot;luci=
da grande&quot;,arial,helvetica,sans-serif;white-space:normal;word-spacing:=
0px;text-transform:none;float:none;font-weight:400;color:rgb(34,34,34);font=
-style:normal;display:inline;letter-spacing:normal;background-color:rgb(255=
,255,255);text-indent:0px;font-variant-ligatures:normal;font-variant-caps:n=
ormal;text-decoration-style:initial;text-decoration-color:initial">Put truc=
k up on stands and dropped battery (under cab)=C2=A0 checked all cables and=
 connections=C2=A0from battery to starter including solenoid and ground con=
nections.</span></div>
<div><span style=3D"font-size:13px;font-family:Verdana,geneva,lucida,&quot;=
lucida grande&quot;,arial,helvetica,sans-serif;white-space:normal;word-spac=
ing:0px;text-transform:none;float:none;font-weight:400;color:rgb(34,34,34);=
font-style:normal;display:inline;letter-spacing:normal;background-color:rgb=
(255,255,255);text-indent:0px;font-variant-ligatures:normal;font-variant-ca=
ps:normal;text-decoration-style:initial;text-decoration-color:initial">all =
tight, no corrosion on terminals and=C2=A0 </span><span style=3D"font-size:=
13px;font-family:Verdana,geneva,lucida,&quot;lucida grande&quot;,arial,helv=
etica,sans-serif;white-space:normal;word-spacing:0px;text-transform:none;fl=
oat:none;font-weight:400;color:rgb(34,34,34);font-style:normal;display:inli=
ne;letter-spacing:normal;background-color:rgb(255,255,255);text-indent:0px;=
font-variant-ligatures:normal;font-variant-caps:normal;text-decoration-styl=
e:initial;text-decoration-color:initial">cells full.=C2=A0 this truck finis=
hed last year and everything is new.=C2=A0 Starter solenoid is a=C2=A0Cole-=
Hersee 200 amp continuous draw solenoid.</span></div>
<div><span style=3D"font-size:13px;font-family:Verdana,geneva,lucida,&quot;=
lucida grande&quot;,arial,helvetica,sans-serif;white-space:normal;word-spac=
ing:0px;text-transform:none;float:none;font-weight:400;color:rgb(34,34,34);=
font-style:normal;display:inline;letter-spacing:normal;background-color:rgb=
(255,255,255);text-indent:0px;font-variant-ligatures:normal;font-variant-ca=
ps:normal;text-decoration-style:initial;text-decoration-color:initial"></sp=
an>=C2=A0</div>
<div><span style=3D"font-size:13px;font-family:Verdana,geneva,lucida,&quot;=
lucida grande&quot;,arial,helvetica,sans-serif;white-space:normal;word-spac=
ing:0px;text-transform:none;float:none;font-weight:400;color:rgb(34,34,34);=
font-style:normal;display:inline;letter-spacing:normal;background-color:rgb=
(255,255,255);text-indent:0px;font-variant-ligatures:normal;font-variant-ca=
ps:normal;text-decoration-style:initial;text-decoration-color:initial">Star=
ter is new last year and 6-7 inches away and below headers so heat soak isn=
&#39;t causing the problem</span></div>
<div><span style=3D"font-size:13px;font-family:Verdana,geneva,lucida,&quot;=
lucida grande&quot;,arial,helvetica,sans-serif;white-space:normal;word-spac=
ing:0px;text-transform:none;float:none;font-weight:400;color:rgb(34,34,34);=
font-style:normal;display:inline;letter-spacing:normal;background-color:rgb=
(255,255,255);text-indent:0px;font-variant-ligatures:normal;font-variant-ca=
ps:normal;text-decoration-style:initial;text-decoration-color:initial"></sp=
an>=C2=A0</div>
<div><span style=3D"font-size:13px;font-family:Verdana,geneva,lucida,&quot;=
lucida grande&quot;,arial,helvetica,sans-serif;white-space:normal;word-spac=
ing:0px;text-transform:none;float:none;font-weight:400;color:rgb(34,34,34);=
font-style:normal;display:inline;letter-spacing:normal;background-color:rgb=
(255,255,255);text-indent:0px;font-variant-ligatures:normal;font-variant-ca=
ps:normal;text-decoration-style:initial;text-decoration-color:initial">Set =
it back down and charged it for 30 minutes at 10 amps... battery showed 12.=
9 volts..=C2=A0 started ok and put meter on alternator</span></div>
<div><span style=3D"font-size:13px;font-family:Verdana,geneva,lucida,&quot;=
lucida grande&quot;,arial,helvetica,sans-serif;white-space:normal;word-spac=
ing:0px;text-transform:none;float:none;font-weight:400;color:rgb(34,34,34);=
font-style:normal;display:inline;letter-spacing:normal;background-color:rgb=
(255,255,255);text-indent:0px;font-variant-ligatures:normal;font-variant-ca=
ps:normal;text-decoration-style:initial;text-decoration-color:initial">term=
inals... alternator putting out 14.5 - 14.8 volts...=C2=A0 varies a=C2=A0li=
ttle with engine speed....=C2=A0so alternator is good I think.</span></div>
<div><span style=3D"font-size:13px;font-family:Verdana,geneva,lucida,&quot;=
lucida grande&quot;,arial,helvetica,sans-serif;white-space:normal;word-spac=
ing:0px;text-transform:none;float:none;font-weight:400;color:rgb(34,34,34);=
font-style:normal;display:inline;letter-spacing:normal;background-color:rgb=
(255,255,255);text-indent:0px;font-variant-ligatures:normal;font-variant-ca=
ps:normal;text-decoration-style:initial;text-decoration-color:initial"></sp=
an>=C2=A0</div>
<div><span style=3D"font-size:13px;font-family:Verdana,geneva,lucida,&quot;=
lucida grande&quot;,arial,helvetica,sans-serif;white-space:normal;word-spac=
ing:0px;text-transform:none;float:none;font-weight:400;color:rgb(34,34,34);=
font-style:normal;display:inline;letter-spacing:normal;background-color:rgb=
(255,255,255);text-indent:0px;font-variant-ligatures:normal;font-variant-ca=
ps:normal;text-decoration-style:initial;text-decoration-color:initial">
<div><span style=3D"font-size:13px;font-family:Verdana,geneva,lucida,&quot;=
lucida grande&quot;,arial,helvetica,sans-serif;white-space:normal;word-spac=
ing:0px;text-transform:none;float:none;font-weight:400;color:rgb(34,34,34);=
font-style:normal;display:inline;letter-spacing:normal;background-color:rgb=
(255,255,255);text-indent:0px;font-variant-ligatures:normal;font-variant-ca=
ps:normal;text-decoration-style:initial;text-decoration-color:initial"><spa=
n style=3D"font-size:13px;font-family:Verdana,geneva,lucida,&quot;lucida gr=
ande&quot;,arial,helvetica,sans-serif;white-space:normal;word-spacing:0px;t=
ext-transform:none;float:none;font-weight:400;color:rgb(34,34,34);font-styl=
e:normal;display:inline;letter-spacing:normal;background-color:rgb(255,255,=
255);text-indent:0px;font-variant-ligatures:normal;font-variant-caps:normal=
;text-decoration-style:initial;text-decoration-color:initial"><span>=C2=A0<=
/span>I did a load test again.,.. idle voltage reading 12.9 volts on two di=
fferent fluke=C2=A0meters... and during the load test it dropped to 12.3 th=
en recovered to 12.7...so I&#39;m assuming the battery is good, it was just=
 low before the first load test.</span></span></div>
<div><span style=3D"font-size:13px;font-family:Verdana,geneva,lucida,&quot;=
lucida grande&quot;,arial,helvetica,sans-serif;white-space:normal;word-spac=
ing:0px;text-transform:none;float:none;font-weight:400;color:rgb(34,34,34);=
font-style:normal;display:inline;letter-spacing:normal;background-color:rgb=
(255,255,255);text-indent:0px;font-variant-ligatures:normal;font-variant-ca=
ps:normal;text-decoration-style:initial;text-decoration-color:initial"><spa=
n style=3D"font-size:13px;font-family:Verdana,geneva,lucida,&quot;lucida gr=
ande&quot;,arial,helvetica,sans-serif;white-space:normal;word-spacing:0px;t=
ext-transform:none;float:none;font-weight:400;color:rgb(34,34,34);font-styl=
e:normal;display:inline;letter-spacing:normal;background-color:rgb(255,255,=
255);text-indent:0px;font-variant-ligatures:normal;font-variant-caps:normal=
;text-decoration-style:initial;text-decoration-color:initial"></span></span=
>=C2=A0</div></span></div>
<div><span style=3D"font-size:13px;font-family:Verdana,geneva,lucida,&quot;=
lucida grande&quot;,arial,helvetica,sans-serif;white-space:normal;word-spac=
ing:0px;text-transform:none;float:none;font-weight:400;color:rgb(34,34,34);=
font-style:normal;display:inline;letter-spacing:normal;background-color:rgb=
(255,255,255);text-indent:0px;font-variant-ligatures:normal;font-variant-ca=
ps:normal;text-decoration-style:initial;text-decoration-color:initial">here=
&#39;s an odd thing.. I have a 12 volt terminal on the right frame rail tha=
t powers the elec radiator fan, tilt hood motors and trinary switch</span><=
/div>
<div><span style=3D"font-size:13px;font-family:Verdana,geneva,lucida,&quot;=
lucida grande&quot;,arial,helvetica,sans-serif;white-space:normal;word-spac=
ing:0px;text-transform:none;float:none;font-weight:400;color:rgb(34,34,34);=
font-style:normal;display:inline;letter-spacing:normal;background-color:rgb=
(255,255,255);text-indent:0px;font-variant-ligatures:normal;font-variant-ca=
ps:normal;text-decoration-style:initial;text-decoration-color:initial"></sp=
an>=C2=A0</div>
<div><span style=3D"font-size:13px;font-family:Verdana,geneva,lucida,&quot;=
lucida grande&quot;,arial,helvetica,sans-serif;white-space:normal;word-spac=
ing:0px;text-transform:none;float:none;font-weight:400;color:rgb(34,34,34);=
font-style:normal;display:inline;letter-spacing:normal;background-color:rgb=
(255,255,255);text-indent:0px;font-variant-ligatures:normal;font-variant-ca=
ps:normal;text-decoration-style:initial;text-decoration-color:initial">with=
 the a/c on, headlights on and elec=C2=A0radiator fan running (as much load=
 as I can put on it)...=C2=A0the alternator o/p at 14.5 volts, the voltage =
at the terminal on rail reads 11.5 volts.=C2=A0 The terminal is 4&#39; from=
 battery and fed with #4 stranded wire.</span></div>
<div><span style=3D"font-size:13px;font-family:Verdana,geneva,lucida,&quot;=
lucida grande&quot;,arial,helvetica,sans-serif;white-space:normal;word-spac=
ing:0px;text-transform:none;float:none;font-weight:400;color:rgb(34,34,34);=
font-style:normal;display:inline;letter-spacing:normal;background-color:rgb=
(255,255,255);text-indent:0px;font-variant-ligatures:normal;font-variant-ca=
ps:normal;text-decoration-style:initial;text-decoration-color:initial"></sp=
an>=C2=A0</div>
<div><span style=3D"font-size:13px;font-family:Verdana,geneva,lucida,&quot;=
lucida grande&quot;,arial,helvetica,sans-serif;white-space:normal;word-spac=
ing:0px;text-transform:none;float:none;font-weight:400;color:rgb(34,34,34);=
font-style:normal;display:inline;letter-spacing:normal;background-color:rgb=
(255,255,255);text-indent:0px;font-variant-ligatures:normal;font-variant-ca=
ps:normal;text-decoration-style:initial;text-decoration-color:initial">that=
&#39;s about all the detail I can give you... any ideas why it stalled and =
quit..???=C2=A0=C2=A0 and why the terminal point only reads 11.5 versus the=
 14.5 at the alternator.</span></div>
<div><span style=3D"font-size:13px;font-family:Verdana,geneva,lucida,&quot;=
lucida grande&quot;,arial,helvetica,sans-serif;white-space:normal;word-spac=
ing:0px;text-transform:none;float:none;font-weight:400;color:rgb(34,34,34);=
font-style:normal;display:inline;letter-spacing:normal;background-color:rgb=
(255,255,255);text-indent:0px;font-variant-ligatures:normal;font-variant-ca=
ps:normal;text-decoration-style:initial;text-decoration-color:initial"></sp=
an>=C2=A0</div>
<div><span style=3D"font-size:13px;font-family:Verdana,geneva,lucida,&quot;=
lucida grande&quot;,arial,helvetica,sans-serif;white-space:normal;word-spac=
ing:0px;text-transform:none;float:none;font-weight:400;color:rgb(34,34,34);=
font-style:normal;display:inline;letter-spacing:normal;background-color:rgb=
(255,255,255);text-indent:0px;font-variant-ligatures:normal;font-variant-ca=
ps:normal;text-decoration-style:initial;text-decoration-color:initial">I&#3=
9;m at the wall</span></div>
<div><span style=3D"font-size:13px;font-family:Verdana,geneva,lucida,&quot;=
lucida grande&quot;,arial,helvetica,sans-serif;white-space:normal;word-spac=
ing:0px;text-transform:none;float:none;font-weight:400;color:rgb(34,34,34);=
font-style:normal;display:inline;letter-spacing:normal;background-color:rgb=
(255,255,255);text-indent:0px;font-variant-ligatures:normal;font-variant-ca=
ps:normal;text-decoration-style:initial;text-decoration-color:initial"></sp=
an>=C2=A0</div>
<div><span style=3D"font-size:13px;font-family:Verdana,geneva,lucida,&quot;=
lucida grande&quot;,arial,helvetica,sans-serif;white-space:normal;word-spac=
ing:0px;text-transform:none;float:none;font-weight:400;color:rgb(34,34,34);=
font-style:normal;display:inline;letter-spacing:normal;background-color:rgb=
(255,255,255);text-indent:0px;font-variant-ligatures:normal;font-variant-ca=
ps:normal;text-decoration-style:initial;text-decoration-color:initial">than=
ks</span></div>
<div><span style=3D"font-size:13px;font-family:Verdana,geneva,lucida,&quot;=
lucida grande&quot;,arial,helvetica,sans-serif;white-space:normal;word-spac=
ing:0px;text-transform:none;float:none;font-weight:400;color:rgb(34,34,34);=
font-style:normal;display:inline;letter-spacing:normal;background-color:rgb=
(255,255,255);text-indent:0px;font-variant-ligatures:normal;font-variant-ca=
ps:normal;text-decoration-style:initial;text-decoration-color:initial">john=
</span></div></div>
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[email-masked]

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From: Jimmie Mayfield <[email-masked]>
Date: Fri, 6 Aug 2021 09:18:11 -0400

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> from battery and fed with #4 stranded wire.

I think this might be the smoking gun.  The voltage you're seeing at 
that terminal with the engine 'on' is roughly what I would expect to see 
if you were powering things only with your battery.  But let's check 
some things before I jump to conclusions...

1. Double-check the electrical path between this terminal and the 
battery/alternator to make sure there's no corrosion that might increase 
resistance.

2. What's the voltage at the terminal with those accessories 'on' but 
the engine 'off' ?

3. How big is the alternator?  Do you know offhand what its rated output 
is at various engine RPMs (some aftermarket manufacturers provide this 
info).  Sometimes folks with big audio systems will run into 
dead-battery problems after installing a high-output alternator because 
the new alternator's 'preferred' RPMs don't match up with the owner's 
typical driving style.

-- J

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    <div class="moz-cite-prefix">On 8/5/21 10:33, john niolon wrote:<br>
    </div>
    <blockquote type="cite"
      cite="mid:1UZ4YZ76KH.7AHYM3yYtnG@johns-desktop"><span
        style="FONT-SIZE: 13px; FONT-FAMILY: Verdana, geneva, lucida,
        &quot;lucida grande&quot;, arial, helvetica, sans-serif;
        WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none;
        FLOAT: none; FONT-WEIGHT: 400; COLOR: rgb(34,34,34); FONT-STYLE:
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        font-variant-caps: normal; -webkit-text-stroke-width: 0px;
        text-decoration-thickness: initial; text-decoration-style:
        initial; text-decoration-color: initial">with the a/c on,
        headlights on and elec radiator fan running (as much load as I
        can put on it)... the alternator o/p at 14.5 volts, the voltage
        at the terminal on rail reads 11.5 volts.  The terminal is 4'
        from battery and fed with #4 stranded wire.</span></blockquote>
    <p>I think this might be the smoking gun.  The voltage you're seeing
      at that terminal with the engine 'on' is roughly what I would
      expect to see if you were powering things only
      with your battery.  But let's check some things before I jump to
      conclusions...</p>
    <p>1. Double-check the electrical path between this terminal and the
      battery/alternator to make sure there's no corrosion that might
      increase resistance.</p>
    <p>2. What's the voltage at the terminal with those accessories 'on'
      but the engine 'off' ?</p>
    <p>3. How big is the alternator?  Do you know offhand what its rated
      output is at various engine RPMs (some aftermarket manufacturers
      provide this info).  Sometimes folks with big audio systems will
      run into dead-battery problems after installing a high-output
      alternator because the new alternator's 'preferred' RPMs don't
      match up with the owner's typical driving style.<br>
    </p>
    <p>-- J</p>
    <p><br>
    </p>
    <p><br>
    </p>
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