System Power Relay

1987 Jeep Cherokee LimitedSECTION System Power Relay

Located on the right strut tower, this relay is energized during engine start up and remains energized until 3 to 5 seconds after the engine is stopped. This permits the ECU to extend the idle speed actuator for the next start up and then cease operation. See Fig 1 .

Fig 1: Location of ECU-Controlled Relays
G12369
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.