Sierra 1500 4WD V8-5.3L VIN Z Flex Fuel (2005)
Backup Lamp Switch: Service and Repair
ZF S6-650
Backup Lamp Switch Replacement
Removal Procedure
1. Raise and suitably support the vehicle. Refer to Vehicle. If equipped with a 6.6L engine, disconnect the backup lamp switch electrical connector
(3).
2. If equipped with a 8.1L engine, disconnect the backup lamp switch electrical connector (4).
3. Remove the backup lamp switch.
Installation Procedure
1. Notice: Refer to Fastener Notice in Service Precautions.
Install the backup lamp switch.
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Tighten the switch to 20 Nm (15 ft. lbs.).
