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Home >> GMC >> 2004 >> Sierra 2500, 4D Pickup, RWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Body Control System >> Repair Instructions >> Body Control Module Replacement >> Installation Procedure

Installation Procedure

  1. Slide the BCM onto the bracket.
  2. Connect all the connectors (1) except the brown connector.
    3. Fig 1: Harness Connectors
    GM387553Courtesy of GENERAL MOTORS CORP.
  3. Connect the brown connector.
  4. Install the knee bolster. Refer to Knee Bolster Replacement in Instrument Panel, Gages, and Console.
    5. Fig 2: Knee Bolster & Bolts
    GM348714Courtesy of GENERAL MOTORS CORP.
  5. Connect the negative battery cable(s).
  6. Reprogram the BCM. Refer to Body Control Module (BCM) Programming/RPO Configuration .
  7. Perform the Passlock Learn Procedure. Refer to Programming Theft Deterrent System Components in Theft Deterrent
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