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Home >> GMC >> 1992 >> Forward Control 5.7 K, Standard >> Repair and Diagnosis (Single Page) >> Electrical >> Gauges >> Instrument Panel >> Testing >> Fuel Gauge (Commercial Van) >> Gauge Always Reads Empty

Gauge Always Reads Empty

Disconnect fuel gauge sending unit wire. Turn ignition on. If gauge reads full, replace fuel gauge sending unit. If gauge reads empty, check for short circuit in Pink wire. If circuit is okay, replace instrument cluster.