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Home >> Isuzu >> 1998 >> Trooper S, Standard >> Repair and Diagnosis (Single Page) >> Electrical >> Gauges >> Instrument Panels >> Symptom Tests >> Oil Pressure Gauge Reading Is Beyond 215 Lb/In(2) (High)

Oil Pressure Gauge Reading Is Beyond 215 Lb/In(2) (High)

  1. Disconnect oil pressure sender unit. Turn ignition switch to ON position. Connect a fused jumper wire between ground and oil pressure sending unit (Light Blue wire at sender unit, to Yellow/Green to Yellow/Black wire at instrument panel). See WIRING DIAGRAMS  . If oil pressure gauge reading varies, replace oil pressure sender unit. If oil pressure gauge readings do not vary, go to next step.
  2. Disconnect instrument panel connector I-10 and monitor oil pressure gauge. If oil pressure gauge reading varies, go to next step. If oil pressure gauge readings do not vary, replace instrument cluster. See INSTRUMENT CLUSTER  under REMOVAL & INSTALLATION.
  3. Repair short to ground in Light Blue wire at sender unit, to Yellow/Green to Yellow/Black wire at instrument panel. See WIRING DIAGRAMS  . Recheck system operation.
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