Liftgate Wiring Harness Replacement. Buick GL7 (Export) 2000

For 1990-2009 cars

### Removal Procedure

1. Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
2. Open the liftgate.
3. Remove the liftgate trim panel. Refer to Liftgate Trim Panel Replacement .
4. Remove the rear speakers from the liftgate. Refer to Radio Rear Speaker Replacement in Entertainment.
5. Remove the high mounted stop lamp. Refer to High Mount Stop Lamp Replacement in Lighting Systems.
6. Remove the license plate lamps. Refer to Rear License Lamp Replacement in Lighting Systems.
7. Disconnect the liftgate latch electrical connectors.
8. Remove the rear washer hose. Refer to Rear Window Washer Nozzle Replacement in Wipers Washer Systems.
9. Remove the rear corner upper garnish moldings. Refer to Body Rear Corner Upper Garnish Molding Replacement in Interior Trim.
10. Disconnect liftgate wiring harness connectors (2) from the rear body wiring harness (3).
11. Disconnect the rear wiper motor electrical connector (7).
12. Disconnect the rear window defogger electrical connectors (3).
13. Unsnap the wiring harness retainers from the liftgate.
14. Remove the wiring harness from the liftgate.

### Installation Procedure

1. Route the wiring harness in the liftgate.
2. Snap the wiring harness retainers into the liftgate.
3. Connect the rear window defogger electrical connectors (3).
4. Connect the rear wiper motor electrical connector (7).
5. Connect the liftgate wiring harness connectors (2) to the rear body wiring harness (3).
6. Install the rear corner upper garnish moldings. Refer to Body Rear Corner Upper Garnish Molding Replacement in Interior Trim.
7. Install the rear washer hose. Refer to Rear Window Washer Nozzle Replacement in Wipers Washer Systems.
8. Connect the liftgate latch electrical connectors.
9. Install the license plate lamps. Refer to Rear License Lamp Replacement in Lighting Systems.
10. Install the high mounted stop lamp. Refer to High Mount Stop Lamp Replacement in Lighting Systems.
11. Install the rear speakers to the liftgate. Refer to Radio Rear Speaker Replacement in Entertainment.
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 in Engine Electrical.