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Home › GMC › 2003 › Sierra 1500 HD, 4WD › Repair and Diagnosis › External Pages › Different car › Section 249 (Supplemental Inflatable Restraint System) › Repair Instructions › SIR Disabling and Enabling Zone 6 › Disabling Procedure

Disabling Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    IMPORTANT: Refer to SIR Service Precautions  before disabling the SIR system.
  1. Turn the steering wheel until the vehicle's wheels are pointing straight ahead.
  2. Turn OFF the ignition.
  3. Remove the key from the ignition.
    4. IMPORTANT: With the SIR fuse removed and the ignition ON, the AIR BAG indicator illuminates. This is normal operation and does not indicate an SIR system malfunction.
  4. Remove the SIR fuse from the fuse block.
  5. Remove the RF door trim panel. Refer toTrim Panel Replacement - Side Front Door (With YE9 Early Production)Trim Panel Replacement - Side Front Door (With YE9 Late Production) in Doors.
    6. Fig 1: View Of Connector Position Assurance (CPA) & Side Impact Sensor Yellow 2-Way Connector
    GM612189Courtesy of GENERAL MOTORS CORP.
  6. Remove the connector position assurance (CPA) (3) from the side impact sensor yellow 2-way connector (5) located near the bottom right of the door (4).
  7. Disconnect the side impact sensor yellow 2-way connector (5).
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