GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 36796 Clip Zip Removal Tool

Removal Procedure

  1. Remove the liftgate window garnish molding. Refer to Rear Window Garnish Molding Replacement in Interior Trim.
  2. Remove the liftgate trim panel. Refer to Liftgate Trim Panel Replacement .

  3. Object Number: 749976  Size: SH
  4. Pull the liftgate wiring harness passthrough boot away from the liftgate.
  5. Disconnect the liftgate wiring harness inline connector.
  6. Disconnect the rear washer fluid supply line.

  7. Object Number: 698542  Size: SH
  8. Disconnect the rear windshield defogger connectors (2).

  9. Object Number: 749979  Size: SH
  10. Disconnect the electrical connectors (3) from the liftgate module.
  11. Disconnect the license plate lamp connector (1).

  12. Object Number: 749972  Size: SH
  13. Disconnect the liftgate window latch connector (2).
  14. Disconnect the rear windshield wiper motor connector (1).

  15. Object Number: 749977  Size: SH
  16. Disconnect the 2 liftgate power lock assembly connectors (1,3).

  17. Object Number: 749974  Size: SH

    Important: Note the routing of the liftgate wiring harness prior to removal.

  18. Use the J 36796 in order to release the wiring harness retainers.
  19. Remove the wiring harness from the liftgate.

Installation Procedure


    Object Number: 749974  Size: SH
  1. Install the wiring harness to the liftgate as previously routed. Ensure that the harness retainers are fully seated.

  2. Object Number: 749977  Size: SH
  3. Connect the 2 liftgate power lock assembly connectors (1,3).

  4. Object Number: 749972  Size: SH
  5. Connect the rear windshield wiper motor connector (1).
  6. Connect the liftgate window latch connector.

  7. Object Number: 749979  Size: SH
  8. Connect the license plate lamp connector (1).
  9. Connect the electrical connectors (3) from the liftgate module.

  10. Object Number: 698542  Size: SH
  11. Connect the rear windshield defogger connectors (2).

  12. Object Number: 749976  Size: SH
  13. Connect the rear washer fluid supply line.
  14. Connect the liftgate wiring harness inline connector.
  15. Install the wiring harness passthrough boot to the liftgate.
  16. Install the liftgate trim panel. Refer to Liftgate Trim Panel Replacement .
  17. Install the liftgate window garnish molding. Refer to Rear Window Garnish Molding Replacement in Interior Trim.