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Home >> GMC >> 1980 >> Rally G3500, Van Cargo >> Repair and Diagnosis >> Electrical >> Switches, Gauges & Instrument Panels >> Testing >> Indicator Warning Lights >> Oil Pressure Indicator

Oil Pressure Indicator

  1. Indicator light is inoperative with ignition switch on and engine not running. Check for burned out bulb, open light circuit or defective oil pressure switch.
  2. Indicator light is on and engine is running above idle speed. Indicates low oil pressure, defective oil pressure switch or ground condition between light and switch.
    Fig 1: General Motors "G" Models Instrument Cluster
    G09318371Courtesy of GENERAL MOTORS COMPANY