Subject: Re: [Oletrucks] 1950 3600 gas gauge

From: MIQ MILLMAN <[email-masked]>
Date: Sat, 18 Oct 2025 15:22:43 -0700

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Simple possible solution:  poor grounding connection on the fuel sending
unit, and the back of the instrument cluster.

slightly less simple:  check the contacts on the resistor board (which if
stock is right there in the cabin fuel tank with you), and check the ohms
on the unit by pulling it out and moving the float.  It should top out
around 90 ohms.

Maybe just replace the fuel sending unit as a whole?  I can't imagine that
it is more than $50.

  --Miq

On Sat, Oct 18, 2025 at 9:57=E2=80=AFAM smokey <[email-masked]> wrote:

> For 25 years my gas gauge has worked just fine.  Now the needle shakes al=
l
> the time, whether the motor is running or not.  As long as the key is on.
> Any thoughts?
>
> Thanks!
> Smokey Culver, League City, TX
>
>
> _______________________________________________
>
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> Donate: http://www.team.net/donate.html
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<div dir=3D"ltr">Simple possible=C2=A0solution:=C2=A0 poor grounding connec=
tion on the fuel sending unit, and the back of the instrument cluster.<div>=
<br></div><div>slightly less simple:=C2=A0 check the contacts on the resist=
or board (which if stock is right there in the cabin fuel tank with you), a=
nd check the ohms on the unit by pulling it out and moving the float.=C2=A0=
 It should top out around 90 ohms.</div><div><br></div><div>Maybe just repl=
ace the fuel sending unit as a whole?=C2=A0 I can&#39;t imagine that it is =
more=C2=A0than $50.</div><div><br></div><div>=C2=A0 --Miq</div><div><br></d=
iv><div><br></div></div><br><div class=3D"gmail_quote gmail_quote_container=
"><div dir=3D"ltr" class=3D"gmail_attr">On Sat, Oct 18, 2025 at 9:57=E2=80=
=AFAM smokey &lt;<a href=3D"mailto:[email-masked]">[email-masked]</=
a>&gt; wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0p=
x 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><d=
iv id=3D"m_2953520354205031081edo-message"><div><div style=3D"font-size:16p=
x">For 25 years my gas gauge has worked just fine.=C2=A0 Now the needle sha=
kes all the time, whether the motor is running or not.=C2=A0 As long as the=
 key is on.=C2=A0 Any thoughts?</div><div style=3D"font-size:16px"><br></di=
v><div style=3D"font-size:16px">Thanks!</div><div style=3D"font-size:16px">=
Smokey Culver, League City, TX</div><div style=3D"font-size:16px"><br></div=
><div style=3D"font-size:16px"><br></div><div id=3D"m_2953520354205031081ed=
o-signature"></div></div></div>____________________________________________=
___<br>
<br>
<a href=3D"mailto:[email-masked]" target=3D"_blank">Oletrucks@aut=
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et=3D"_blank">http://www.team.net/donate.html</a><br>
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cks/[email-masked]" rel=3D"noreferrer" target=3D"_blank">http://autox.tea=
m.net/mailman/options/oletrucks/[email-masked]</a><br>
</blockquote></div>

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_______________________________________________

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Archive: http://www.team.net/pipermail/oletrucks

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From: "Bill Hanlon" <[email-masked]>
Date: Sat, 18 Oct 2025 21:47:49 -0500

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Miq=E2=80=99s hints are valid, but it should top out at 30 ohms, not 90.

=20

From: Oletrucks <[email-masked]> On Behalf Of MIQ =
MILLMAN
Sent: Saturday, October 18, 2025 5:23 PM
To: smokey <[email-masked]>
Cc: oletrucks <[email-masked]>
Subject: Re: [Oletrucks] 1950 3600 gas gauge

=20

Simple possible solution:  poor grounding connection on the fuel sending =
unit, and the back of the instrument cluster.

=20

slightly less simple:  check the contacts on the resistor board (which =
if stock is right there in the cabin fuel tank with you), and check the =
ohms on the unit by pulling it out and moving the float.  It should top =
out around 90 ohms.

=20

Maybe just replace the fuel sending unit as a whole?  I can't imagine =
that it is more than $50.

=20

  --Miq

=20

=20

=20

On Sat, Oct 18, 2025 at 9:57=E2=80=AFAM smokey <[email-masked] =

For 25 years my gas gauge has worked just fine.  Now the needle shakes =
all the time, whether the motor is running or not.  As long as the key =
is on.  Any thoughts?

=20

Thanks!

=20

=20

=20

 =
<http://www.avg.com/email-signature?utm_medium=3Demail&utm_source=3Dlink&=
utm_campaign=3Dsig-email&utm_content=3Demailclient>=20

Virus-free. =
<http://www.avg.com/email-signature?utm_medium=3Demail&utm_source=3Dlink&=
utm_campaign=3Dsig-email&utm_content=3Demailclient> www.avg.com

=20

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--></style></head><body lang=3DEN-US link=3Dblue vlink=3Dpurple =
style=3D'word-wrap:break-word'><div class=3DWordSection1><p =
class=3DMsoNormal><span =
style=3D'font-family:"Calibri",sans-serif'>Miq=E2=80=99s hints are =
valid, but it should top out at 30 ohms, not 90.<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'font-family:"Calibri",sans-serif'><o:p>&nbsp;</o:p></span></p><d=
iv 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'> =
Oletrucks &lt;[email-masked]&gt; <b>On Behalf Of =
</b>MIQ MILLMAN<br><b>Sent:</b> Saturday, October 18, 2025 5:23 =
PM<br><b>To:</b> smokey &lt;[email-masked]&gt;<br><b>Cc:</b> =
oletrucks &lt;[email-masked]&gt;<br><b>Subject:</b> Re: =
[Oletrucks] 1950 3600 gas gauge<o:p></o:p></span></p></div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><div><p class=3DMsoNormal>Simple =
possible&nbsp;solution:&nbsp; poor grounding connection on the fuel =
sending unit, and the back of the instrument =
cluster.<o:p></o:p></p><div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p></div><div><p =
class=3DMsoNormal>slightly less simple:&nbsp; check the contacts on the =
resistor board (which if stock is right there in the cabin fuel tank =
with you), and check the ohms on the unit by pulling it out and moving =
the float.&nbsp; It should top out around 90 =
ohms.<o:p></o:p></p></div><div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p></div><div><p =
class=3DMsoNormal>Maybe just replace the fuel sending unit as a =
whole?&nbsp; I can't imagine that it is more&nbsp;than =
$50.<o:p></o:p></p></div><div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p></div><div><p =
class=3DMsoNormal>&nbsp; --Miq<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><o:p>&nbsp;</o:p></p><div><div><p class=3DMsoNormal>On =
Sat, Oct 18, 2025 at 9:57<span =
style=3D'font-family:"Arial",sans-serif'>=E2=80=AF</span>AM smokey =
&lt;<a href=3D"mailto:[email-masked]">[email-masked]</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 =
id=3D"m_2953520354205031081edo-message"><div><div><p =
class=3DMsoNormal>For 25 years my gas gauge has worked just fine.&nbsp; =
Now the needle shakes all the time, whether the motor is running or =
not.&nbsp; As long as the key is on.&nbsp; Any =
thoughts?<o:p></o:p></p></div><div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p></div><div><p =
class=3DMsoNormal>Thanks!<o:p></o:p></p></div><div><p =
class=3DMsoNormal>Smokey Culver, League City, =
TX<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></div><p =
class=3DMsoNormal>_______________________________________________<br><br>=
<a href=3D"mailto:[email-masked]" =
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annual donation&nbsp; $11.47<br>Archive: <a =
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