GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2008 🢒 Uplander 🢒 Preface 🢒 Cautions and Notices 🢒 Liftgate Wiring Harness Replacement

Removal Procedure
  1. Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection .
  2. Open the liftgate.
  3. Remove the liftgate trim panel. Refer to Liftgate Trim Panel Replacement .
  4. Remove the water deflector. Refer to Liftgate Water Deflector Replacement .
  5. Remove the rear speakers from the liftgate. Refer to Radio Rear Speaker Replacement .
  6. Remove the high mounted stop lamp. Refer to High Mount Stop Lamp Replacement .
  7. Remove the license plate lamps. Refer to Rear License Lamp Replacement .
  8. Lower the rear of the headliner to access the body harness to the liftgate harness electrical connector. Refer to Headlining Trim Panel Replacement .
  9. Disconnect the liftgate latch electrical connectors.
  10. Remove the rear washer hose. Refer to Rear Window Washer Nozzle Replacement .
  11. Remove the rear corner upper garnish moldings. Refer to Upper Rear Trim Finish Panel Replacement .

    12. Object Number: 313629 Size: LH
  12. Disconnect liftgate wiring harness connectors (2) from the rear body wiring harness (3).

    13. Object Number: 1479964 Size: SH
  13. Disconnect the following electrical connectors and harness clips from the liftgate panel.
    14. • Harness retainer (1)
    • Wiper motor connector (2)
    • Harness retainer (3)
    • Harness clip (4)
    • Harness clips (5)
    • License plate lamp sockets (6)
    • Pink tape used for visual aid (7)
    • Harness clip (8)
    • Liftgate latch electrical connectors (9)
    • Green tape used for visual aid (10)
    • Harness clips (11)
    • Wiper motor harness clip to liftgate (12)
    • Speaker electrical connector (13)
    • Harness clip (15)
  14. Remove the electrical harness from the liftgate.

Installation Procedure
  1. Route and position the electrical harness to the liftgate.

    2. Object Number: 1479964 Size: SH
  2. Connect the following electrical connectors and harness clips to the liftgate.
    3. • Harness retainer (1)
    • Wiper motor connector (2)
    • Harness retainer (3)
    • Harness clip (4)
    • Harness clips (5)
    • License plate lamp sockets (6)
    • Pink tape used for visual aid (7)
    • Harness clip (8)
    • Liftgate latch electrical connectors (9)
    • Green tape used for visual aid (10)
    • Harness clips (11)
    • Wiper motor harness clip to liftgate (12)
    • Speaker electrical connector (13)
    • Harness clip (15)

    Object Number: 313629 Size: LH
  3. Connect liftgate wiring harness connectors (2) to the rear body wiring harness (3).
  4. Install the rear corner upper garnish moldings. Refer to Upper Rear Trim Finish Panel Replacement .
  5. Install the rear washer hose. Refer to Rear Window Washer Nozzle Replacement .
  6. Connect the liftgate latch electrical connectors.
  7. Install the headliner that was lowered. Refer to Headlining Trim Panel Replacement .
  8. Install the license plate lamps. Refer to Rear License Lamp Replacement .
  9. Install the high mounted stop lamp. Refer to High Mount Stop Lamp Replacement .
  10. Install the rear speakers to the liftgate. Refer to Radio Rear Speaker Replacement .
  11. Install the water deflector. Refer to Liftgate Water Deflector Replacement .
  12. Install the liftgate trim panel. Refer to Liftgate Trim Panel Replacement .
  13. Close the liftgate.
  14. Connect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection .
  15. Re-initialize the power sliding door. Refer to Rear Side Door Actuator Control Module Programming and Setup .