Sierra 2500 4WD V8-6.0L (2008)
Backup Lamp Switch: Service and Repair
Tremec 5-Speed (TZ0) - Manual Transmission
Backup Lamp Switch Replacement
Removal Procedure
1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle .
2. Disconnect the backup lamp switch electrical connector (3).
3. Remove the backup lamp switch.
Installation Procedure
Notice: Refer to Component Fastener Tightening Notice .
Important: The backup lamp switch has pre-applied thread sealant on the threads.
1. Install the backup lamp switch.
Tighten the switch to 37 N.m (27 lb ft).
