Installation Procedure
WARNING: This page is about a different car, the 2021 GMC Sierra 3500 HD and 2021 GMC Sierra 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
Trailer Brake Power Control Module (2) - Install
- Trailer Brake Power Control Module Nut (1) - Install and Tighten [2x]9 N.m (80 lb in)
Fuel Pump Power Control Module And Bracket Assembly (1) - Install - Fuel Pump Power Control Module Replacement (Chassis Cab)Fuel Pump Power Control Module Replacement (Crew Cab)
- Remove the support and lower the vehicle.
CAUTION: