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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 188 (Body Rear End) >> Repair Instructions >> Wiring Harness Replacement - Liftgate >> Installation Procedure

Installation Procedure

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  1. Route and position the electrical harness to the liftgate.
  2. Fig 1: Identifying Liftgate Components
    GM1479964Courtesy of GENERAL MOTORS CORP.
  3. Connect the following electrical connectors and harness clips to the liftgate.
    • 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)
  4. Fig 2: Locating Liftgate Wiring Harness Connectors
    GM313629Courtesy of GENERAL MOTORS CORP.
  5. Connect liftgate wiring harness connectors (2) to the rear body wiring harness (3).
  6. Install the rear corner upper garnish moldings. Refer to Finish Panel Replacement - Upper Rear Trim in Interior Trim.
  7. Install the rear washer hose. Refer to Washer Nozzle Replacement - Rear in Wipers/Washer Systems.
  8. Connect the liftgate latch electrical connectors.
  9. Install the headliner that was lowered. Refer to Headliner Replacement .
  10. Install the license plate lamps. Refer to License Lamp Replacement in Lighting Systems.
  11. Install the high mounted stop lamp. Refer to High Mounted Stop Lamp Replacement in Lighting Systems.
  12. Install the rear speakers to the liftgate. Refer to Speaker Replacement - Rear in Entertainment.
  13. Install the water deflector. Refer to Water Deflector Replacement - Liftgate .
  14. Install the liftgate trim panel. Refer to Trim Panel Replacement - Liftgate .
  15. Close the liftgate.
  16. Connect the battery negative cable. Refer to BATTERY DISCONNECT CAUTION .
  17. Re-initialize the power sliding door. Refer to Acutator Control Module - Power Sliding Door (PSD) Programming and Setup .