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Strange automotive electrical problem we need help with=E2=80=A6
55 chevy automatic with 383 stroker motor, carbed, p/s,p/b,a/c
Dakota digital dash system including neutral safety switch and
Transmission gear indicator
=20
When it is running right, it=E2=80=99s scary strong. Cruises nicely.
=20
Problem=E2=80=A6 when driving the engine dies like you cut it off=E2=80=A6B=
UT will start back up
Immediately and run perfectly till the next time it does it. Might be 15=
=20
minutes=E2=80=A615 days or
three month later. Might do it 4 times in a row or once and not repeat. Sp=
eed=20
does not effect it.=20
Engine temp does not effect it=E2=80=A6 does it hot or cold. With the a/c =
on or off. =20
It does not have a
Cutoff switch in the system. Longest period with no failure is 7 months=E2=
=80=A6=20
shortest was 4 minutes.
=20
When it stalls we checked fuel by looking in the bowl of carb and gas is=20
spraying as it should
So we are assuming electrical of some sort. So far we=E2=80=99ve done the =
following=E2=80=A6
=20
Replaced battery with new red top optima battery and all new battery cables=
(2=20
gauge I think)
Replaced all ground cables frame/block=E2=80=A6 frame/chassis with 2/0 weld=
ing cable=20
with new crimped
connectors and clean, bare metal attachment points
replaced ignition switch (twice=E2=80=A6 first with import then with oem sw=
itch)
replaced coil and distributor with MSD system with spark control box, separ=
ate=20
coil and distributor=E2=80=A6
it was taken from running vehicle. It's doing the same thing as the origi=
nal ignition system.
Replaced complete wiring harness=E2=80=A6headlight to taillight with new Au=
towire harness=E2=80=A6including all
Switches and relays. Professionally done.
Everything else electrical works without a glitch=E2=80=A6 we are at the w=
all here=E2=80=A6
=20
Ideas, suggestions, calculated wild a** guesses welcomed=E2=80=A6 =20
thanks
=20
john
=20
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<BODY>
<DIV>
<P class=3DMsoNormal style=3D"MARGIN: 0in 0in 0pt"><FONT face=3DCalibri>Str=
ange automotive electrical problem we need help with=E2=80=A6</FONT></P>
<P class=3DMsoNormal style=3D"MARGIN: 0in 0in 0pt"><FONT face=3DCalibri>55 =
chevy automatic with 383 stroker motor, carbed, p/s,p/b,a/c</FONT></P>
<P class=3DMsoNormal style=3D"MARGIN: 0in 0in 0pt"><FONT face=3DCalibri>Dak=
ota digital dash system including neutral safety switch and</FONT></P>
<P class=3DMsoNormal style=3D"MARGIN: 0in 0in 0pt"><FONT face=3DCalibri>Tra=
nsmission gear indicator</FONT></P>
<P class=3DMsoNormal style=3D"MARGIN: 0in 0in 0pt"><o:p><FONT face=3DCalibr=
i> </FONT></o:p></P>
<P class=3DMsoNormal style=3D"MARGIN: 0in 0in 0pt"><FONT face=3DCalibri>Whe=
n it is running right, it=E2=80=99s scary strong.<SPAN style=3D"mso-spaceru=
n: yes"> </SPAN>Cruises nicely.</FONT></P>
<P class=3DMsoNormal style=3D"MARGIN: 0in 0in 0pt"><o:p><FONT face=3DCalibr=
i> </FONT></o:p></P>
<P class=3DMsoNormal style=3D"MARGIN: 0in 0in 0pt"><FONT face=3DCalibri>Pro=
blem=E2=80=A6 when driving the engine dies like you cut it off=E2=80=A6BUT =
will start back up</FONT></P>
<P class=3DMsoNormal style=3D"MARGIN: 0in 0in 0pt"><FONT face=3DCalibri>Imm=
ediately and run perfectly till the next time it does it.<SPAN style=3D"mso=
-spacerun: yes"> </SPAN>Might be 15 minutes=E2=80=A615 days or</FONT>=
</P>
<P class=3DMsoNormal style=3D"MARGIN: 0in 0in 0pt"><FONT face=3DCalibri>thr=
ee month later. Might do it 4 times in a row or once and not repeat.<SPAN s=
tyle=3D"mso-spacerun: yes"> </SPAN>Speed does not effect it. </FONT><=
/P>
<P class=3DMsoNormal style=3D"MARGIN: 0in 0in 0pt"><FONT face=3DCalibri>Eng=
ine temp does not effect it=E2=80=A6<SPAN style=3D"mso-spacerun: yes"> =
; </SPAN>does it hot or cold. With the a/c on or off.<SPAN style=3D"mso-spa=
cerun: yes"> </SPAN>It does not have a</FONT></P>
<P class=3DMsoNormal style=3D"MARGIN: 0in 0in 0pt"><FONT face=3DCalibri>Cut=
off switch in the system.<SPAN style=3D"mso-spacerun: yes"> </SPAN>Lo=
ngest period with no failure is 7 months=E2=80=A6 shortest was 4 minutes.</=
FONT></P>
<P class=3DMsoNormal style=3D"MARGIN: 0in 0in 0pt"><o:p><FONT face=3DCalibr=
i> </FONT></o:p></P>
<P class=3DMsoNormal style=3D"MARGIN: 0in 0in 0pt"><FONT face=3DCalibri>Whe=
n it stalls we checked fuel by looking in the bowl of carb and gas is spray=
ing as it should</FONT></P>
<P class=3DMsoNormal style=3D"MARGIN: 0in 0in 0pt"><FONT face=3DCalibri>So =
we are assuming electrical of some sort.<SPAN style=3D"mso-spacerun: yes">&=
nbsp; </SPAN>So far we=E2=80=99ve done the following=E2=80=A6</FONT></P>
<P class=3DMsoNormal style=3D"MARGIN: 0in 0in 0pt"><o:p><FONT face=3DCalibr=
i> </FONT></o:p></P>
<P class=3DMsoNormal style=3D"MARGIN: 0in 0in 0pt"><FONT face=3DCalibri>Rep=
laced battery with new red top optima battery and all new battery cables (2=
gauge I think)</FONT></P>
<P class=3DMsoNormal style=3D"MARGIN: 0in 0in 0pt"><FONT face=3DCalibri>Rep=
laced all ground cables frame/block=E2=80=A6 frame/chassis with 2/0 welding=
cable with new crimped</FONT></P>
<P class=3DMsoNormal style=3D"MARGIN: 0in 0in 0pt"><FONT face=3DCalibri>con=
nectors and clean, bare metal attachment points</FONT></P>
<P class=3DMsoNormal style=3D"MARGIN: 0in 0in 0pt"><FONT face=3DCalibri>rep=
laced ignition switch (twice=E2=80=A6 first with import then with oem switc=
h)</FONT></P>
<P class=3DMsoNormal style=3D"MARGIN: 0in 0in 0pt"><FONT face=3DCalibri>rep=
laced coil and distributor with MSD system with spark control box, separate=
coil and distributor=E2=80=A6</FONT></P>
<P class=3DMsoNormal style=3D"MARGIN: 0in 0in 0pt"><FONT face=3DCalibri>it =
was taken from running vehicle. It's doing the same thing as th=
e original ignition system.</FONT></P>
<P class=3DMsoNormal style=3D"MARGIN: 0in 0in 0pt"><FONT face=3DCalibri>Rep=
laced complete wiring harness=E2=80=A6headlight to taillight with new Autow=
ire harness=E2=80=A6including all</FONT></P>
<P class=3DMsoNormal style=3D"MARGIN: 0in 0in 0pt"><FONT face=3DCalibri>Swi=
tches and relays. Professionally done.</FONT></P>
<P class=3DMsoNormal style=3D"MARGIN: 0in 0in 0pt"><FONT face=3DCalibri>Eve=
rything else electrical works without a glitch=E2=80=A6<SPAN style=3D"mso-s=
pacerun: yes"> </SPAN>we are at the wall here=E2=80=A6</FONT></P>
<P class=3DMsoNormal style=3D"MARGIN: 0in 0in 0pt"><o:p><FONT face=3DCalibr=
i> </FONT></o:p></P>
<P class=3DMsoNormal style=3D"MARGIN: 0in 0in 0pt"><FONT face=3DCalibri>Ide=
as, suggestions, calculated wild a** guesses welcomed=E2=80=A6 =
</FONT></P>
<P class=3DMsoNormal style=3D"MARGIN: 0in 0in 0pt"><FONT face=3DCalibri>tha=
nks</FONT></P>
<P class=3DMsoNormal style=3D"MARGIN: 0in 0in 0pt"><FONT face=3DCalibri></F=
ONT> </P>
<P class=3DMsoNormal style=3D"MARGIN: 0in 0in 0pt"><FONT face=3DCalibri>joh=
n</FONT></P>
<P class=3DMsoNormal style=3D"MARGIN: 0in 0in 0pt"><o:p><FONT face=3DCalibr=
i> </FONT></o:p></P></DIV></BODY></HTML>
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