Installation Procedure

WARNING: This page is about a different car, the 2011 GMC Sierra, 2011 GMC Cab & Chassis Sierra, 2011 Chevrolet Silverado, and 2011 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

If installing a new trailer brake control module, partially install the 3 trailer brake control module bolts.

Fig 1: Identifying Trailer Brake Control Module

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Install the trailer brake control module (1) to the bracket.
Slide the trailer brake control module in the bracket until the module bolts are resting against the back of the bracket slotted holes.

Fig 2: Identifying Trailer Brake Control Module Bolts

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CAUTION: Refer to Fastener Caution .

Tighten the trailer brake control module bolts (1) to 6 N.m (53 lb in).

Fig 3: Identifying Trailer Brake Control Module Bracket Bolts

Courtesy of GENERAL MOTORS CORP.

Install the trailer brake control module and relay bracket assembly to the frame.
Slide the trailer brake control module bracket assembly fully into the slotted holes of the vehicle frame.
Tighten the trailer brake control module bracket bolts to 9 N.m (80 lb in).
Connect the trailer brake control module and trailer brake control relay electrical connectors.
Install the spare tire and wheel assembly. Refer to Spare Wheel Hoist Replacement .
If installing a new trailer brake control module, program the module. Refer to Control Module References .