Removal Procedure
WARNING: This page is about a different car, the 2023 GMC Sierra 3500 HD and 2023 GMC Sierra 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
- Lower the spare tire.
- Raise and support the vehicle. Lifting and Jacking the Vehicle
Disconnect the electrical connector.
- Trailer Lamp Control Module Bracket Nut (1) - Remove [2x]
- Trailer Lamp Control Module (2) - Remove