Fuel pump

Asked by Jun 13, 2017 at 03:23 AM about the 1997 GMC Sierra 1500 K1500 SL 4WD Extended Cab LB

Question type: Maintenance & Repair

Replaced fuel pump with a percision fuel
pump a30109 wire colors are same but
new plug had 2 wires and 2 ground wires
together and plug needs to be 3 wires. Put
old plug on old plug on new pump
matching wire colors and installed pump
problem is now with key off gas gauge
reads gas level with key on it drops below
e and truck won't start

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