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Home › Cadillac › 2003 › Escalade EXT › Repair and Diagnosis › External Pages › Different car › Section 639 (Supplemental Inflatable Restraint System) › Repair Instructions › Inflatable Restraint Steering Wheel Module Replacement › Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2004 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Connect the horn contact lead into the steering column cam tower.
    2. Fig 1: Inflatable Restraint Steering Wheel Module & Components
    GM818476Courtesy of GENERAL MOTORS CORP.
  2. Connect the steering wheel module electrical connector and the CPA (4).
    IMPORTANT: This vehicle is equipped with dual stage air bags, you will find 2 connectors. Match the right color connector to the right color opening in the module. Route the steering wheel module wires, the redundant control wires, and the horn wires correctly.
  3. Align the steering wheel module fasteners to the steering column fastener holes.
  4. Push the steering wheel module firmly into the steering column in order to engage the fasteners.
  5. Enable the SIR system. Refer to SIR Disabling and Enabling Zone 3 .
  6. After replacing the module, deploy the old module before disposal. If the module was replaced under warranty, fully deploy and dispose of the module after the required retention period. Refer to Inflator Module Handling and Scrapping  for proper disposal.
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