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Home >> GMC >> 2025 >> Sierra 2500 HD Denali Ultimate >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Entertainment Systems >> Cellular, Entertainment, And Navigation - Repair Instructions >> Repair Instructions >> Communication Interface Module Microphone Replacement >> Installation Procedure

Installation Procedure

  1. GM5028476Courtesy of GENERAL MOTORS COMPANY

    Communication Interface Module Microphone (1) - Install

  2. Secure the retaining tabs.
  3. Connect the electrical connector.
  4. Use hot melt adhesive to install the communication interface module microphone harness. Adhesives, Fluids, Lubricants, and Sealers
  5. Install the headlining trim panel.
  6. GM5151172Courtesy of GENERAL MOTORS COMPANY

    Connect the electrical connectors.

  7. Roof Console (1) - Install
  8. GM5151170Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution .

    NOTE:

    Use a light to locate the fastener boss when installing the fasteners. Pull down on the forward end of the roof console to verify that the retention clips are secure.

    Roof Console Bolt (2) - Install and tighten [2x] - Fastener Specifications

  9. Roof Console Lamp Trim Plate (1) - Install [2x]
  10. GM5904659Courtesy of GENERAL MOTORS COMPANY

    Center Pillar Upper Trim Panel - Right Side (3) - Install

  11. Center Pillar Upper Garnish Molding Bolt - Right Side (2) - Install and tighten - Fastener Specifications
  12. Center Pillar Upper Trim Panel Bolt Cap - Right Side (1) - Install
  13. GM5000952Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Left side shown, right side similar.

    Sunshade Support Bolt - Right Side (1) - Install and tighten - Fastener Specifications

  14. GM5000920Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Left side shown, right side similar.

    {If equipped} Connect the electrical connector.

  15. Sunshade - Right Side (3) - Install
  16. Sunshade Bolt - Right Side (2) - Install and tighten [3x] - Fastener Specifications
  17. Sunshade Retainer Bolt Cover - Right Side (1) - Install
  18. GM5132917Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Left side shown, right side similar.

    {If equipped} Connect the electrical connector.

  19. Ensure tab is fully seated in the instrument panel upper trim panel prior to engaging upper clip.
  20. Windshield Garnish Molding - Right Side (3) - Install
  21. Windshield Pillar Assist Handle Bolt - Right Side (2) - Install and tighten [2x] - Fastener Specifications
  22. Windshield Pillar Assist Handle Cover - Right Side (1) - Install [2x]