Truck Forums - Intermittent Fuel Gauge not working

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Nat	01-15-2023 08:12 PM

Intermittent Fuel Gauge not working

1999 GMC 3500 HD Dual Tanks
If I get under the hood and start messing with the relays in the fuse box or the wires it will start working for a short time.
If someone has a wiring diagram that would be nice !

Nat	03-09-2023 05:27 PM

Any help would be nice. At the same time not sure if its related but the A/c compressor stops working when the fuel guage isn't working??
anyone have a Wiring diagram for this?

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