Sierra 3500 4WD V8-8.1L VIN G (2006)
Backup Lamp Switch: Service and Repair
NV 3500 - 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
1. Install the backup lamp switch.
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Tighten the switch to 37 Nm (27 ft. lbs.).
Notice: Refer to Fastener Notice in Service Precautions.
Important: The backup lamp switch has pre-applied thread sealant on the threads.
