For 1990-2009 cars

### Removal Procedure

1. Disconnect the backup lamp switch electrical connector.
2. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
3. Remove the backup lamp switch.

### Installation Procedure

1. Apply pipe sealant with Teflon® to the threads of the backup lamp switch. Use GM P/N 1052080 or the equivalent.
2. Install the backup lamp switch.

Tighten
The backup lamp switch to 38 N·m (28 lb ft).

3. Connect the backup lamp switch electrical connector.
4. Lower the vehicle.