Fuel sending unit

Asked by Rschid Apr 09, 2017 at 09:55 PM about the 2006 Chevrolet Silverado 1500 1LT Crew Cab 4WD

Question type: Maintenance & Repair

My fuel gauge stopped working, I replaced the
pump/sending unit. It shows the level at the time
of install but did not change when filled. Works
perfectly when tested outside of tank but does not
work once installed in the tank.

1 Answer
223,955

Rowefast answered 7 years ago

Check to see if the float is hanging up on something, or double check the wiring running back to the plugin. I believe there is a separate power wire for the sending unit, other than the power wire for the fuel pump.

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