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Installation Procedure

WARNING: This page is about a different car, the 2003 Oldsmobile Bravada, 2003 GMC Envoy XL, 2003 GMC Envoy, and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT: The Key should be in the off position when connecting the electrical connectors to ensure proper calibration.
  1. Connect the electrical connectors to the HVAC control module (2).
    Fig 1: Connecting Electrical Connectors To HVAC Control Module
    G01596806Courtesy of GENERAL MOTORS CORP.
  2. Install the HVAC control module (2) to the instrument panel (4), ensuring that the HVAC control module retaining tabs (3) lock into place.
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  3. Install the HVAC control module retaining screws.

    Tighten 

    Tighten the screws to 1.9 N.m (17 lb ft).

  4. Install the IP accessory trim plate. Refer to TRIM PLATE REPLACEMENT - INSTRUMENT PANEL (I/P) ACCESSORY (CHEVROLET) or TRIM PLATE REPLACEMENT - INSTRUMENT PANEL (I/P) ACCESSORY (OLDSMOBILE) or BEZEL REPLACEMENT - INSTRUMENT PANEL (I/P) CLUSTER (CHEVROLET) or BEZEL REPLACEMENT - INSTRUMENT PANEL (I/P) CLUSTER (GMC/OLDSMOBILE) in Instrument Panel, Gages and Console.
    IMPORTANT: Do not adjust any controls on the HVAC control module while the HVAC control module is calibrating.

    If interrupted improper HVAC performance will result.

  5. Start the vehicle and let run for one minute.
    Fig 2: Installing HVAC Control Module To Instrument Panel
    G01596807Courtesy of GENERAL MOTORS CORP.
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