K 2500 Truck 4WD V8-379 6.2L DSL VIN C FI (1989)
Fuel Gauge: Testing and Inspection
Fuel Gauge Inaccurate
1.
Ensure terminals are clean and terminal connections are tight.
2.
Remove sender, using a suitable ohmmeter test sender. At empty position reading should be 1 ohm, at 1/2 full 44 ohms, and 88 ohms at full
position.
3.
Disconnect front body connector, connect tester J 33431-A or equivalent.
4.
Turn ignition switch to On position, if gauge responds accurately, check wiring between rear compartment and front body connector.
5.
If gauge reads between one fourth and one half with tester set at 90 ohms, replace cluster.
