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Old 06-13-2020, 08:13 PM   #1
redtailboa
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Join Date: Sep 2014
Location: Coldwater ,Canada
Posts: 13
Gas gauge

Hello
I just installed an underbed tank on my 68 GMC and my gas gauge reads at 3 o.clock . i have read VetteVet and tbone 1964 post and have done all the tested . I can get the gauge to read properly if i unplug the tan wire from fuse panel and put a jumper wire to back of the gas gauge to the tan wire . I tried doing the same with the ground wire on back of gauge to a good ground and still stuck at 3 o.clock position . I am assuming that i have a bad printed circuit board on gauge cluster . Just wondering if that sounds right before i have to pull the dash apart and inspect it . It looked good when it was installed . this is a full restore and truckn has never been on the road yet , but will be very soon Thanks Tom
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