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Re: [Tigers] Don's follow up comment Temp Gauge Reading High

To: "'Gary Winblad'" <winbladgary@gmail.com>, "'Donald Antilla'" <fast427@sbcglobal.net>
Subject: Re: [Tigers] Don's follow up comment Temp Gauge Reading High
From: gharlowe--- via Tigers <tigers@autox.team.net>
Date: Fri, 22 Aug 2025 21:26:16 -0400
Cc: tigers@autox.team.net
Delivered-to: mharc@autox.team.net
Delivered-to: tigers@autox.team.net
References: <000001dc12e1$9f23d720$dd6b8560$@comcast.net> <CA+DpG67C6brbBbfU-xLq4r5v5TSojRdv86Hvog97bDHTff4jVA@mail.gmail.com> <MWHPR1001MB24130AB706EBC6C3C5CB6D76FD3DA@MWHPR1001MB2413.namprd10.prod.outlook.com> <CADoP9FfBrkOrRcxaKPx40vVpnsKhPGkjRUsMPKC=2dsKZnQ3kg@mail.gmail.com>
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=20

Standard Smiths gauge.   However, I=E2=80=99m running GM one-wire =
alternator, so not using the stock voltage regulator.   =E2=80=93 G.

=20

=20

From: Gary Winblad <winbladgary@gmail.com>=20
Sent: Friday, August 22, 2025 5:47 PM
To: Donald Antilla <fast427@sbcglobal.net>
Cc: Stu <sabre2tgr@gmail.com>; gharlowe@comcast.net; =
tigers@autox.team.net
Subject: Re: [Tigers] Don's follow up comment Temp Gauge Reading High

=20

No, the Smiths type does not require the case be grounded... except for =
the night light.

=20

The two terminals are

1.  about 10V (pulsed, 10V average from the regulator)

2. to the sensor which completes the circuit by going to ground.

And it doesn't matter which terminal is which..  Inside is a heating =
wire, non-polaized.

Gary W.

=20

=20

On Fri, Aug 22, 2025 at 2:40=E2=80=AFPM Donald Antilla via Tigers =

Graham: Please pardon my ignorance, but will you let me know if you have =
a classic Smiths gauge setup, or a Ford type?

My comment prior about grounding the case assumes you have a =
Smith=E2=80=99s type system. In that case, you do need to ground your =
indicator case or- as happened to me- you get flakey readings.

Don=20

=20

From: Tigers <tigers-bounces@autox.team.net =
Date: Thursday, August 21, 2025 at 7:37=E2=80=AFPM
Subject: Re: [Tigers] Temp Gauge Reading High

A high reading indicates there is a higher current flowing through the =
gauge,  so a poor connection is unlikely.  Is your tank near empty or =
full?  A bad regulator might make less of a difference if the gauge is =
near empty.

=20

The voltage regulator gets its ground through it's mounting screw.  It =
would not be a first if there's a bit of corrosion under there.  In a =
quiet place, turn on the key, don't start it, and you should be able to =
hear the  stock voltage regulator ticking away..

=20

For some more hints, here's a link to my old article on gauge =
troubleshooting. =20

=20

TigersUnited.com =
<http://www.tigersunited.com/techtips/BrennanGauge/rt-BrennanGauge1.asp> =


=20

Both gauges have the same innards, so you can swap leads and see what =
happens with the pointer angles.  =20

=20

Stu

=20

On Thu, Aug 21, 2025 at 5:57=E2=80=AFPM gharlowe--- via Tigers =

=20

Hey all =E2=80=93

=20

It=E2=80=99s been quiet here so hoping to T-up an easy discussion. =20

=20

My temp gauge is reading about 25 degrees high.   I noticed it after a =
shop installed a new clutch, which required the engine to be removed, =
coolant drained, etc., but nothing that should have affected how the =
gauge reads.  Running on a cool day, temps were reading around 215-220 =
degrees.  To ensure I wasn=E2=80=99t actually in danger of overheating, =
I checked various water-cooled locations with an infrared thermometer.   =
Highest reading was right at the water neck/thermostat housing (191 deg =
F).   The fuel gauge is reading accurately.  I understand the under-dash =
instrument stabilizer can affect both instruments, but in this case, =
only one gauge is off.  I plan to check the ground to the temp gauge and =
clean contact points at the engine sending unit and at the gauge.   Any =
other suggestions? =20

=20

Thanks and I hope all is well out there!

=20

Graham Harlowe

B382001466

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Archive: http://www.team.net/pipermail/tigers =
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vlink=3Dpurple style=3D'word-wrap:break-word'><div =
class=3DWordSection1><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif'><o:p>&nbsp;</=
o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif'>Standard =
Smiths gauge.=C2=A0=C2=A0 However, I=E2=80=99m running GM one-wire =
alternator, so not using the stock voltage regulator.=C2=A0=C2=A0 =
=E2=80=93 G.<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif'><o:p>&nbsp;</=
o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif'><o:p>&nbsp;</=
o:p></span></p><div style=3D'border:none;border-top:solid #E1E1E1 =
1.0pt;padding:3.0pt 0in 0in 0in'><p class=3DMsoNormal><b><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif'>From:</span><=
/b><span style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif'> =
Gary Winblad &lt;winbladgary@gmail.com&gt; <br><b>Sent:</b> Friday, =
August 22, 2025 5:47 PM<br><b>To:</b> Donald Antilla =
&lt;fast427@sbcglobal.net&gt;<br><b>Cc:</b> Stu =
&lt;sabre2tgr@gmail.com&gt;; gharlowe@comcast.net; =
tigers@autox.team.net<br><b>Subject:</b> Re: [Tigers] Don's follow up =
comment Temp Gauge Reading High<o:p></o:p></span></p></div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><div><div><p =
class=3DMsoNormal>No, the Smiths type does not require the case be =
grounded... except for the night light.<o:p></o:p></p></div><div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p></div><div><p =
class=3DMsoNormal>The two terminals are<o:p></o:p></p></div><div><p =
class=3DMsoNormal>1.&nbsp; about 10V (pulsed, 10V average from the =
regulator)<o:p></o:p></p></div><div><p class=3DMsoNormal>2. to the =
sensor which completes the circuit by going to =
ground.<o:p></o:p></p></div><div><p class=3DMsoNormal>And =
it&nbsp;doesn't matter which terminal is which..&nbsp; Inside is a =
heating wire, non-polaized.<o:p></o:p></p></div><div><p =
class=3DMsoNormal>Gary W.<o:p></o:p></p></div><div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p></div></div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><div><div><p class=3DMsoNormal>On =
Fri, Aug 22, 2025 at 2:40<span =
style=3D'font-family:"Arial",sans-serif'>=E2=80=AF</span>PM Donald =
Antilla via Tigers &lt;<a =
href=3D"mailto:tigers@autox.team.net";>tigers@autox.team.net</a>&gt; =
wrote:<o:p></o:p></p></div><blockquote =
style=3D'border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in =
6.0pt;margin-left:4.8pt;margin-right:0in'><div><div><div><p =
class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span =
style=3D'font-size:16.0pt;font-family:"Arial",sans-serif'>Graham: Please =
pardon my ignorance, but will you let me know if you have a classic =
Smiths gauge setup, or a Ford type?</span><o:p></o:p></p><p =
class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span =
style=3D'font-size:16.0pt;font-family:"Arial",sans-serif'>My comment =
prior about grounding the case assumes you have a Smith=E2=80=99s type =
system. In that case, you do need to ground your indicator case or- as =
happened to me- you get flakey readings.</span><o:p></o:p></p><p =
class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span =
style=3D'font-size:16.0pt;font-family:"Arial",sans-serif'>Don =
</span><o:p></o:p></p><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span =
style=3D'font-size:16.0pt;font-family:"Arial",sans-serif'>&nbsp;</span><o=
:p></o:p></p><div =
id=3D"m_4089556418688194260mail-editor-reference-message-container"><div>=
<div style=3D'border:none;border-top:solid windowtext =
1.0pt;padding:3.0pt 0in 0in 0in;border-color:currentcolor =
currentcolor'><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;margin-bottom:12.0pt'><b><span =
style=3D'color:black'>From: </span></b><span =
style=3D'color:black'>Tigers &lt;<a =
href=3D"mailto:tigers-bounces@autox.team.net"; =
target=3D"_blank">tigers-bounces@autox.team.net</a>&gt; on behalf of Stu =
&lt;<a href=3D"mailto:sabre2tgr@gmail.com"; =
target=3D"_blank">sabre2tgr@gmail.com</a>&gt;<br><b>Date: </b>Thursday, =
August 21, 2025 at 7:37</span><span =
style=3D'font-family:"Arial",sans-serif;color:black'>=E2=80=AF</span><spa=
n style=3D'color:black'>PM<br><b>To: </b><a =
href=3D"mailto:gharlowe@comcast.net"; =
target=3D"_blank">gharlowe@comcast.net</a> &lt;<a =
href=3D"mailto:gharlowe@comcast.net"; =
target=3D"_blank">gharlowe@comcast.net</a>&gt;<br><b>Cc: </b><a =
href=3D"mailto:tigers@autox.team.net"; =
target=3D"_blank">tigers@autox.team.net</a> &lt;<a =
href=3D"mailto:tigers@autox.team.net"; =
target=3D"_blank">tigers@autox.team.net</a>&gt;<br><b>Subject: </b>Re: =
[Tigers] Temp Gauge Reading =
High</span><o:p></o:p></p></div><div><div><div><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>A high =
reading indicates there is a higher current flowing through =
the&nbsp;gauge,&nbsp; so a poor connection is unlikely.&nbsp; Is your =
tank near empty or full?&nbsp; A bad regulator might make less of a =
difference if the gauge is near empty.<o:p></o:p></p></div><div><p =
class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>&nbsp;<o:p><=
/o:p></p></div><div><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>The voltage =
regulator gets its ground through it's mounting screw.&nbsp; It would =
not be a first if there's a bit of corrosion under there.&nbsp; In a =
quiet place, turn on the key, don't start it, and you should be able to =
hear the&nbsp; stock voltage regulator ticking =
away..<o:p></o:p></p></div><div><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>&nbsp;<o:p><=
/o:p></p></div><div><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>For some =
more hints, here's a link to my old article on gauge =
troubleshooting.&nbsp;&nbsp;<o:p></o:p></p></div><div><p =
class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>&nbsp;<o:p><=
/o:p></p></div><div><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><a =
href=3D"http://www.tigersunited.com/techtips/BrennanGauge/rt-BrennanGauge=
1.asp" =
target=3D"_blank">TigersUnited.com</a><o:p></o:p></p></div><div><p =
class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>&nbsp;<o:p><=
/o:p></p></div><div><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Both gauges =
have the same innards, so you can swap leads and see what happens with =
the pointer angles.&nbsp; &nbsp;<o:p></o:p></p></div><div><p =
class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>&nbsp;<o:p><=
/o:p></p></div><div><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Stu<o:p></o:=
p></p></div></div></div><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>&nbsp;<o:p><=
/o:p></p><div><div><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>On Thu, Aug =
21, 2025 at 5:57<span =
style=3D'font-family:"Arial",sans-serif'>=E2=80=AF</span>PM gharlowe--- =
via Tigers &lt;<a href=3D"mailto:tigers@autox.team.net"; =
target=3D"_blank">tigers@autox.team.net</a>&gt; =
wrote:<o:p></o:p></p></div><blockquote =
style=3D'border:none;border-left:solid windowtext 1.0pt;padding:0in 0in =
0in =
6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0in;margin-bottom:5=
.0pt;border-color:currentcolor currentcolor currentcolor =
rgb(204,204,204)'><div><div><div><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>&nbsp;<o:p><=
/o:p></p><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Hey all =
=E2=80=93<o:p></o:p></p><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>&nbsp;<o:p><=
/o:p></p><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>It=E2=80=99s=
 been quiet here so hoping to T-up an easy discussion.&nbsp; =
<o:p></o:p></p><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>&nbsp;<o:p><=
/o:p></p><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>My temp =
gauge is reading about 25 degrees high.&nbsp; &nbsp;I noticed it after a =
shop installed a new clutch, which required the engine to be removed, =
coolant drained, etc., but nothing that should have affected how the =
gauge reads.&nbsp; Running on a cool day, temps were reading around =
215-220 degrees.&nbsp; To ensure I wasn=E2=80=99t actually in danger of =
overheating, I checked various water-cooled locations with an infrared =
thermometer.&nbsp;&nbsp; Highest reading was right at the water =
neck/thermostat housing (191 deg F).&nbsp;&nbsp; The fuel gauge is =
reading accurately.&nbsp; I understand the under-dash instrument =
stabilizer can affect both instruments, but in this case, only one gauge =
is off.&nbsp; I plan to check the ground to the temp gauge and clean =
contact points at the engine sending unit and at the gauge.&nbsp;&nbsp; =
Any other suggestions?&nbsp; <o:p></o:p></p><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>&nbsp;<o:p><=
/o:p></p><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Thanks and =
I hope all is well out there!<o:p></o:p></p><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>&nbsp;<o:p><=
/o:p></p><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Graham =
Harlowe<o:p></o:p></p><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>B382001466<o=
:p></o:p></p></div></div><p class=3DMsoNormal =
style=3D'mso-margin-top-alt:auto;margin-bottom:12.0pt'>__________________=
_____________________________<br><br><a =
href=3D"mailto:tigers@autox.team.net"; =
target=3D"_blank">tigers@autox.team.net</a><br><br>Donate: <a =
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target=3D"_blank">http://www.team.net/donate.html</a><br>Archive: <a =
href=3D"http://www.team.net/pipermail/tigers"; =
target=3D"_blank">http://www.team.net/pipermail/tigers</a> <a =
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target=3D"_blank">http://autox.team.net/archive</a><br><br>Unsubscribe: =
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 =
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gmail.com</a><o:p></o:p></p></div></blockquote></div></div></div></div></=
div><p class=3DMsoNormal =
style=3D'margin-bottom:12.0pt'>__________________________________________=
_____<br><br><a href=3D"mailto:tigers@autox.team.net"; =
target=3D"_blank">tigers@autox.team.net</a><br><br>Donate: <a =
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y@gmail.com</a><br><br><o:p></o:p></p></div></blockquote></div></div></bo=
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