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<div>While the sending unit is out, I would:</div>
<div>1. Confirm that there is power/voltage to the power lead (I think it is a "GB" wire) that connects to the sending unit, with the ignition switch "on". Use a voltage meter, not a continuity or resistance or amp meter. Connect the volt meter to the end of the GB wire & to a good ground. Turn on the ignition switch. You should see about 12 volts.</div>
<div> </div>
<div>2. Connect the GB power wire to the sending unit terminal (with the sending unit still out of the tank) & connect the mounting flange of the sending unit to a good ground. With the ignition switch "on", raise & lower the float & observe the fuel gage. The needle should go up & down.</div>
<div> </div>
<div>These two tests should help to isolate the source of your problem.</div>
<div> </div>
<div>Gary Hodson</div>
<div> </div>
<div> </div>
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<div style="color: black; font-family: arial,helvetica; font-size: 10pt;">-----Original Message-----<br>
From: Bruce Steele <healeybruce@roadrunner.com><br>
To: 'Healey List' <healeys@autox.team.net><br>
Sent: Sun, Sep 24, 2017 3:19 am<br>
Subject: [Healeys] Fuel gauge reading full at all times<br>
<br>
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<div class="aolmail_MsoNormal"><span style='font-family: "Trebuchet MS",sans-serif; font-size: 12pt;'>After the harness meltdown, which impacted the battery lead to the fuel gauge, the gauge has read full and there is currently about ¼ in the tank. The gauge has been checked twice and pronounced OK. Today I bypassed the tank-sender wire with a jumper, same result—reading full. I removed the sender and bench tested the resistance and got 2 ohms with the float fully down and around 70 ohms with the float lifted to approximately where it would be in a full tank. From what I can find online this is in range. So I’m stumped as to why the gauge is reading full. Thoughts?</span></div>
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<div class="aolmail_MsoNormal"><span style='color: rgb(31, 73, 125); font-family: "Trebuchet MS",sans-serif; font-size: 12pt;'>Bruce Steele</span></div>
<div class="aolmail_MsoNormal"><span style='color: rgb(31, 73, 125); font-family: "Trebuchet MS",sans-serif; font-size: 12pt;'>Brea, CA</span></div>
<div class="aolmail_MsoNormal"><span style='color: rgb(31, 73, 125); font-family: "Trebuchet MS",sans-serif; font-size: 12pt;'>1960 BN7</span></div>
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