GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2005 🢒 Envoy XUV 🢒 Body 🢒 Body Rear End 🢒 Endgate Wiring Harness Replacement

Removal Procedure
  1. Open the endgate.
  2. Remove the endgate trim panel. Refer to Endgate Trim Panel Replacement .
  3. Remove the endgate control module. Refer to Rear Body Control Module Replacement - Endgate .
  4. Remove the endgate inner reinforcement panel. Refer to Endgate Inner Panel Reinforcement Replacement .
  5. Remove the endgate window. Refer to Endgate Window Replacement .

    6. Object Number: 1229055 Size: SH
  6. Remove the bolt (2) retaining the wiring harness to the body.
  7. Release the retainers (3) retaining the wiring harness grommet to the body.
  8. Disconnect the endgate wiring harness to body harness connector (1).
  9. Disconnect the rear washer hose connection (4).

    10. Object Number: 1229212 Size: SH
  10. Disconnect the window regulator connector (3).
  11. Disconnect the rear wiper motor connector (2).
  12. Disconnect the rear high mounted brake lamp connector (5).
  13. Disconnect the relay connector (4).

    14. Object Number: 1229211 Size: SH
  14. Disconnect the left side upper and lower latch connectors (1).
  15. Disconnect the right side upper latch connector (4).
  16. Release the retainers attaching the endgate wiring harness to the endgate.
  17. Push the endgate harness grommet (2) into the endgate.
  18. Pull the endgate harness to body harness connector (3) through the opening in the endgate.
  19. Remove the endgate wiring harness from the endgate.

Installation Procedure

    Object Number: 1229211 Size: SH
  1. Install the endgate wiring harness to body harness connector (3) into the small access hole of the endgate, and out the endgate wiring harness grommet hole.
  2. Install the endgate wiring harness grommet (2) into the hole in the endgate.

    3. Ensure the grommet is fully seated in the endgate.

  3. Install the retainers attaching the endgate wiring harness to the endgate.
  4. Connect the right upper latch connector (4).
  5. Connect the left upper and lower connectors (1).

    6. Object Number: 1229212 Size: SH
  6. Connect the relay connector (4).
  7. Connect the rear high mounted brake lamp connector (5).
  8. Connect the rear wiper motor connector (2).
  9. Connect the window regulator connector (3).

    10. Object Number: 1229055 Size: SH
  10. Connect the rear washer hose connection (4).
  11. Connect the endgate wiring harness to body harness connector (1).
  12. Install the endgate wiring harness grommet to the body.

    13. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  13. Install the bolt retaining the wiring harness to the body.

    14. Tighten
    Tighten the wiring harness bracket bolt to 10 N·m (89 lb in).

  14. Install the endgate window. Refer to Endgate Window Replacement .
  15. Install the endgate inner reinforcement. Refer to Endgate Inner Panel Reinforcement Replacement .
  16. Install the endgate control module. Refer to Rear Body Control Module Replacement - Endgate .
  17. Install the endgate trim panel. Refer to Endgate Trim Panel Replacement .
  18. Close the endgate.
  19. Perform the window learn cycle. Refer to Endgate Window Learn Cycle .