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Home >> GMC >> 2021 >> Yukon AT4 >> Repair and Diagnosis >> Body & Frame >> Towing Systems >> TRAILERING Systems >> Repair Instructions >> Trailer Brake Control Module Replacement >> Removal Procedure

Removal Procedure

  1. Disconnect the battery negative cable. Battery Negative Cable Disconnection and Connection (KL9)
  2. Raise and support the vehicle. Lifting and Jacking the Vehicle
  3. Lower and reposition the spare tire.
  4. GM5587060Courtesy of GENERAL MOTORS COMPANY

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

  5. GM5587057Courtesy of GENERAL MOTORS COMPANY

    Trailer Brake Power Control Module Bolt (2) - Remove [ 2x ]

  6. Trailer Brake Control Module (1) - Remove
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