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Home >> Geo >> 1991 >> Prizm Base, 4D Hatchback, Standard >> Repair and Diagnosis >> Electrical >> Gauges >> Instrument Panel >> Testing >> Oil Pressure Light & Switch (Except Storm DOHC) >> Bulb Check

Bulb Check

  1. Turn ignition on. Oil pressure light should glow. If bulb glows, go to next step. If light does not glow, check for faulty oil pressure switch, fuse, indicator bulb, or for open in wiring circuit.
  2. Disconnect oil pressure switch wire connector. See OIL PRESSURE SWITCH LOCATION  table. Ground wire connector to engine. If fuse, bulb and circuit are okay, indicator light will glow. If okay, check switch.
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