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Home >> GMC >> 2022 >> Hummer EV >> Repair and Diagnosis >> Body & Frame >> Towing Systems >> TRAILERING Systems >> Repair Instructions >> Trailer Brake Control Module Replacement >> Installation Procedure

Installation Procedure

  1. GM5831440

    Trailer Brake Control Module (1) - Install

  2. CAUTION:

    Refer to Fastener Caution .

  3. Trailer Brake Power Control Module Nut (2) - Install and tighten [2x] - Fastener Specifications 
  4. GM5831442

    Electrical Connector (1) @ Trailer Brake Control Module - Connect

  5. GM5810333
    NOTE:

    Left side shown, right side similar.

    Rear Wheelhouse Liner- Right Side (3) - Install

  6. Rear Wheelhouse Liner Bolt- Right Side (1) - Install and tighten [3x] - Fastener Specifications
  7. Rear Wheelhouse Liner Retainer- Right Side (2) - Install
  8. GM5810320
    NOTE:

    Left side shown, right side similar.

    Rear Tire Front Air Deflector- Right Side (2) - Install

  9. Rear Tire Front Air Deflector Bolt- Right Side (1) - Install and tighten [3x] - Fastener Specifications
  10. Install the right rear tire and wheel assembly. Tire and Wheel Removal and Installation
  11. Remove the support and lower the vehicle.
  12. Connect the battery negative cable. Battery Negative Cable Disconnection and Connection