K 2500 Truck 4WD V8-379 6.2L DSL VIN C FI (1989)
Fuel Gauge: Testing and Inspection
Gauge Stays at Empty
This condition is generally caused by a short in the fuel tank wiring circuit.
1.
Ensure fuel tank is full, then disconnect lead at fuel tank.
2.
If gauge moves but not past full mark, replace fuel tank sending unit.
3.
If gauge stays at empty, repair short in circuit between gauge and fuel tank.
