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Home >> Subaru >> 1981 >> GLF Automatic Trans >> Repair and Diagnosis (Single Page) >> Electrical >> Switches, Gauges & Instrument Panels - SUBARU >> Testing >> Oil Pressure Gauge

Oil Pressure Gauge

  1. Turn ignition off. Gauge needle should drop. If not, replace gauge. Turn ignition on. Check for power at terminals 29 (Black/White wire) and 32 (Yellow/Black wire) at back of cluster. If voltage is not present, repair fuse or wiring.
  2. If voltage is present, check gauge operation. If inaccurate, unplug wire from sending unit. Connect a 140 ohm resistor between wire and ground. Gauge should indicate about 55 psi. If so, replace sending unit. If not, replace gauge.
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