Sierra 3500 Denali 4WD V8-6.0L (2011)
Caution: Refer to Fastener Caution (See: Service Precautions/Vehicle Damage Warnings/Fastener Caution).
4. Tighten the trailer brake control relay bolts (1) to 6 Nm (53 lb in).
5. Connect the trailer brake control relay electrical connector.
6. Install the spare tire and wheel assembly. Refer to Spare Wheel Hoist Replacement (See: Maintenance/Wheels and Tires/Tires/Spare Tire/Service
and Repair).