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Home >> Isuzu >> 1998 >> Trooper S, Standard >> Repair and Diagnosis (Single Page) >> Electrical >> Gauges >> Instrument Panels >> Symptom Tests >> Oil Pressure Gauge Inoperative

Oil Pressure Gauge Inoperative

  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. Connect a fused jumper wire between ground and instrument panel connector I-10 cavity terminal No. 19. See Figure . 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 open 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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