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ballencd · 04-11-2017, 10:57 AM

Short the gauge wire to a good ground at the front of the tank (I think it is pink on my 91) and the gauge should go to "empty". With it disconnected it will normally go to the 3'oclock position....way past full. If it does that then it is probably your sending unit. If not could be the gauge or both.

04-11-2017, 10:57 AM	#4
ballencd Registered User Join Date: Aug 2013 Location: Columbus, NC Posts: 85	Re: Fuel guage problem(probably my fault) Short the gauge wire to a good ground at the front of the tank (I think it is pink on my 91) and the gauge should go to "empty". With it disconnected it will normally go to the 3'oclock position....way past full. If it does that then it is probably your sending unit. If not could be the gauge or both. __________________ 1983 M35 (bobbed and converted to dump) 1984 M1010 1988 Chevy Suburban (5.7TBI/TH700R4/NP208) 1991 Chevy Suburban (5.7TBI/TH700R4/NP241C)