2008 Jeep Commander 4WD V6-3.7LFACTORY OEM SERVICE PROCEDURE

Installation







INSTALLATION

Factory service manual diagram




NOTE: If the Junction Block (JB) is being replaced with a new unit, be certain to transfer each of the fuses, circuit breakers and relays from the inoperative JB to the proper cavities of the replacement JB. Refer to Junction Block in Wiring Diagrams for the location of complete circuit diagrams and cavity assignments for the JB.

1. Position the JB into its mounting location on the JB mounting bracket.
2. Align the two lower retaining tabs (3) with the slots in the bottom of the bracket.
3. Align the snap clips (2) at the top of the JB with the mounting slots in the top of the bracket.
4. Grasp the JB firmly with both hands and push it into the bracket to engage the two snap clips (2) that secure the top of the JB.
5. Install and tighten the four screws (1) that secure the JB to the mounting bracket. Tighten the screws to 2 Nm (20 in. lbs.).
Factory service manual diagram




6. Reconnect the top side wire harness connector to the connector receptacle on the JB.
Factory service manual diagram




7. Reconnect the bottom side wire harness connectors to the connector receptacles on the JB.
Factory service manual diagram




8. Install the steering column opening cover (2). Install the screw and firmly push the top of the panel inward to engage the top retaining clips.
9. Reconnect the battery negative cable.
Factory Service Tools

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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.

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