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Home >> Chevrolet >> 1996 >> Forward Control 5.7 K, Automatic >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panel - Gasoline >> Testing >> Fuel Gauge >> Gauge Always Indicates Full (Motorhome)

Gauge Always Indicates Full (Motorhome)

  1. Disconnect fuel level sensor. Turn ignition on. Connect fused jumper wire between fuel level sensor Purple wire and ground. If fuel gauge remains full, go to next step. If fuel gauge moves toward empty, check ground for an open circuit. If ground is okay, replace fuel level sensor.
  2. Remove jumper wire. Backprobe instrument cluster with a fused jumper wire between terminal No. 30 (Purple wire) and ground. If fuel gauge moves toward empty, repair open circuit in Purple wire. If fuel gauge moves toward full, check instrument cluster for an open in printed circuit. If printed circuit is okay, replace fuel gauge.
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