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Re: Can you adjust sending units and gas gauge readings?
with sender removed from tank use a multimeter set to ohms with one lead connected to sender wire and other to ground (metal part of sending unit) move the float and read meter. with full being 0 ohms it would seem your gage needle is off since you can't get any lower than zero=full. if you had something other than 0-90 the gage would never show full. I am not sure if the 0 ohms is the full reading since if you disconnect the sending wire, infinite ohms, it reads way past full
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1969 C10 350 3spd
1995 GMC 3500 XC 350 dually
When Thomas Edison worked late into the night on the electric light, he had to do it by gas lamp or candle. I'm sure it made the work seem that much more urgent. George Carlin
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