Installation Procedure

Courtesy of GENERAL MOTORS COMPANY

Trailer Brake Control Module (1) - Install
CAUTION:
Refer to Fastener Caution .

Trailer Brake Power Control Module Bolt (2) - Install and tighten [2x] - Fastener Specifications
Courtesy of GENERAL MOTORS COMPANY

Electrical Connector (1) @ Trailer Brake Control Module - Connect
Install the spare tire.
Remove the support and lower the vehicle.
Connect the battery negative cable. Battery Negative Cable Disconnection and Connection