GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2003 🢒 Vibe - AWD 🢒 Body and Accessories 🢒 Body Rear End 🢒 Liftgate Wiring Harness Replacement

Removal Procedure
  1. Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
  2. Open the lift gate.
  3. Remove the lift gate trim panel. Refer to Liftgate Trim Panel Replacement .
  4. Remove the high mounted stop lamp. Refer to High Mount Stop Lamp Replacement in Lighting Systems.

    5. Object Number: 879502 Size: SH
  5. Disconnect the license plate lamp electrical connectors.
  6. Disconnect the lift gate latch electrical connectors.
  7. Disconnect the wiper motor electrical connectors.
  8. Disconnect the rear wiper relay connector.
  9. Disconnect the lower and upper harness connectors (1), (2).
  10. Release the wiring harness retainers from the lift gate.
  11. Remove the lower wiring harness from the lift gate.

    12. Object Number: 879504 Size: SH
  12. Disconnect upper harness boot (2) from lift gate (1)
  13. Remove upper harness from lift gate (1).

    14. Object Number: 879692 Size: SH
  14. Remove the left upper quarter trim panel. Refer to Rear Quarter Upper Trim Panel Replacement in Interior Trim.
  15. Disconnect the upper lift gate harness connectors (1) from the rear body harness connectors (2)

    16. Object Number: 879696 Size: SH
  16. Disconnect the upper lift gate harness retainers (2) from the left inner quarter panel.

    17. Object Number: 879504 Size: SH
  17. Pull down on left rear of headliner to access harness for removal.
  18. Pull up on harness boot (2) and remove harness from rear upper body (3).

Installation Procedure

    Object Number: 879504 Size: SH
  1. Route the upper wiring harness and boot (2) to the rear upper body (3).
  2. Pull down on left rear of headliner to route upper lift gate harness.

    3. Object Number: 879696 Size: SH
  3. Install the upper lift gate harness (1) with retainers (2) to the left inner quarter panel.

    4. Object Number: 879692 Size: SH
  4. Connect lift gate wiring harness connectors (2) to the rear body wiring harness (3).

    5. Object Number: 879692 Size: SH
  5. Connect the upper lift gate harness connectors (1) to the rear body harness (2).
  6. Install the left upper quarter trim panel. Refer to Rear Quarter Upper Trim Panel Replacement in Interior Trim.

    7. Object Number: 879504 Size: SH
  7. Route the upper lift gate harness through the upper lift gate (1) and install boot (2).

    8. Object Number: 879502 Size: SH
  8. Install the lower lift gate wire harness with retainers to the lift gate.
  9. Connect the lower lift gate harness electrical connectors to the upper lift gate harness (1), (2).
  10. Connect the rear wiper relay electrical connector.
  11. Connect the rear wiper motor electrical connectors.
  12. Connect the lift gate latch electrical connectors.
  13. Connect the license plate lamp electrical connectors.
  14. Install the high mounted stop lamp. Refer to High Mount Stop Lamp Replacement in Lighting Systems.
  15. Install the lift gate trim panel. Refer to Liftgate Trim Panel Replacement in Body Rear End.
  16. Close the lift gate.
  17. Connect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.