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--></style></head><body lang=EN-US link=blue vlink=purple style='word-wrap:break-word'><div class=WordSection1><p class=MsoNormal><span style='font-family:"Calibri",sans-serif'>Miq’s hints are valid, but it should top out at 30 ohms, not 90.<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Calibri",sans-serif'><o:p> </o:p></span></p><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>From:</span></b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'> Oletrucks <oletrucks-bounces@autox.team.net> <b>On Behalf Of </b>MIQ MILLMAN<br><b>Sent:</b> Saturday, October 18, 2025 5:23 PM<br><b>To:</b> smokey <smokey@railops.com><br><b>Cc:</b> oletrucks <oletrucks@autox.team.net><br><b>Subject:</b> Re: [Oletrucks] 1950 3600 gas gauge<o:p></o:p></span></p></div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>Simple possible solution: poor grounding connection on the fuel sending unit, and the back of the instrument cluster.<o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>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.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Maybe just replace the fuel sending unit as a whole? I can't imagine that it is more than $50.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal> --Miq<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal>On Sat, Oct 18, 2025 at 9:57<span style='font-family:"Arial",sans-serif'> </span>AM smokey <<a href="mailto:smokey@railops.com">smokey@railops.com</a>> wrote:<o:p></o:p></p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in'><div id="m_2953520354205031081edo-message"><div><div><p class=MsoNormal>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?<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Thanks!<o:p></o:p></p></div><div><p class=MsoNormal>Smokey Culver, League City, TX<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div></div></div><p class=MsoNormal>_______________________________________________<br><br><a href="mailto:Oletrucks@autox.team.net" target="_blank">Oletrucks@autox.team.net</a><br>Donate: <a href="http://www.team.net/donate.html" target="_blank">http://www.team.net/donate.html</a><br>Suggested annual donation $11.47<br>Archive: <a href="http://www.team.net/pipermail/oletrucks" target="_blank">http://www.team.net/pipermail/oletrucks</a><br><br>Unsubscribe/Manage: <a href="http://autox.team.net/mailman/options/oletrucks/miq@bigllama.com" target="_blank">http://autox.team.net/mailman/options/oletrucks/miq@bigllama.com</a><o:p></o:p></p></blockquote></div><div id=DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2><p class=MsoNormal><o:p> </o:p></p><table class=MsoNormalTable border=1 cellpadding=0 style='border:none;border-top:solid #D3D4DE 1.0pt'><tr><td width=55 style='width:41.25pt;border:none;padding:9.75pt .75pt .75pt .75pt'><p class=MsoNormal><a href="http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=emailclient" target="_blank"><span style='text-decoration:none'><img border=0 width=46 height=29 style='width:.4791in;height:.302in' id="_x0000_i1025" src="https://s-install.avcdn.net/ipm/preview/icons/icon-envelope-tick-green-avg-v1.png"></span></a><o:p></o:p></p></td><td width=470 style='width:352.5pt;border:none;padding:9.0pt .75pt .75pt .75pt'><p class=MsoNormal style='line-height:13.5pt'><span style='font-size:10.0pt;font-family:"Arial",sans-serif;color:#41424E'>Virus-free.<a href="http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=emailclient" target="_blank"><span style='color:#4453EA'>www.avg.com</span></a><o:p></o:p></span></p></td></tr></table><p class=MsoNormal><o:p> </o:p></p></div></div></body></html>