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Installation Procedure

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: HVAC Control Module
    GM735898Courtesy of GENERAL MOTORS CORP.
  1. Connect the electrical connectors (1) to the HVAC control module (2).
  2. IMPORTANT: Ensure that the HVAC control module tabs (3) lock into place.
  3. Install the HVAC control module (2) into the I/P (4).
  4. NOTE: Refer toFastener Notice in Cautions and Notices.
  5. Install the HVAC control module screws.

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

  6. Install the I/P accessory trim plate. Refer to Trim Plate Replacement - Instrument Panel (I/P) Accessory (GMC) or Trim Plate Replacement - Instrument Panel (I/P) Accessory (Oldsmobile/Buick) or Bezel Replacement - Instrument Panel (I/P) Cluster (Chevrolet) or Bezel Replacement - Instrument Panel (I/P) Cluster (GMC/Oldsmobile/Buick) in Instrument Panel, Gages and Console.