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Home >> Isuzu >> 1989 >> Trooper XS, 2.8 R >> Repair and Diagnosis >> Engine Performance >> System >> System/Component Tests - EFI >> Relays & Solenoids >> Main Relay

Main Relay

  1. Main relay supplies power to ECM. Remove main relay from vehicle. Relay is located in following locations:
    • Trooper II - Behind sheet metal cover on right side fender skirt.
  2. To test relay, use Fig 1 . For relay wire colors, refer to the WIRING DIAGRAMS article.
Fig 1: Testing Main Relay
G122367Courtesy of ISUZU MOTOR CO.
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