first check your fuses if they are all good check the wires running from the sensor that tells the fuel gauge to fluxuate depending on how much gas is in the tank, what you may have done is when changing the fuel pump, you may have unplugged the sensor that tells how much gas is in the tank and you may have forgot to plug it back, if all these check out get back to me and i will help you figure out the problem

Answered by eugene123
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hello,name is steve,my q is i just installed a delphi fuel pump,and new gt280 wire harness,in a 1999 chevy tahoe,and gas gauge still does not work,please any info would be great thanks.steve

Answered by stevestroud
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