Q: Gas gauge issue

asked by on December 23, 2016

Gas gauge floated. So i changed the fuel pump. Now gauge is stuck on full even when the key is off. Even if i unplug the wires from the pump. Stuck on full. Could it be the pump relay and what is the other three wires for on the pump?

My car has 197000 miles.
My car has an automatic transmission.

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