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Home >> Cadillac >> 2003 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 480 (HVAC Systems - Automatic) >> Repair Instructions >> HVAC Control Module Replacement - Auxiliary >> Installation Procedure
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Installation Procedure

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2004 GMC Yukon XL, 2004 GMC Yukon, 2004 Chevrolet Tahoe, 2004 Chevrolet Suburban, and 2004 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Auxiliary HVAC Control Module & Electrical Connectors
    GM899651Courtesy of GENERAL MOTORS CORP.
  1. Install the auxiliary HVAC control module (1) to the auxiliary HVAC module (2).
  2. NOTE: Refer to Fastener Notice in Cautions and Notices.
  3. Install the screws to the auxiliary HVAC control module (1).

    Tighten:  Tighten the screws to 1.6 N.m (14 lb in).

  4. Connect the electrical connectors (3,4) to the auxiliary HVAC control module (1).
  5. Install the right rear quarter trim panel. Refer to Trim Panel Replacement - Rear Quarter - Right (Utility) or Trim Panel Replacement - Rear Quarter - Right (Suburban) in Interior Trim.