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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1325 (Supplemental Inflatable Restraint System) >> Repair Instructions >> SIR Disabling and Enabling Zone 1 >> Disabling Zone 1

Disabling Zone 1

WARNING: This page is about a different car, the 2004 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn the steering wheel so that the vehicle's wheels are pointing straight ahead.
  2. Turn the ignition switch to the OFF position.
    3. Fig 1: Locating Flasher Relay
    GM828109Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: With the SIR fuse removed and the ignition switch in the ON position, the AIR BAG warning indicator illuminates. This is normal operation, and does not indicate an SIR system malfunction.
  3. Locate and remove the AM2 Fuse from the junction block (1), which is located near the base of the steering column.
  4. Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnect/Connect Procedure in Engine Electrical.
    5. Fig 2: Electrical Connector, Front End Discriminating Sensor And Fasteners (Right)
    GM819431Courtesy of GENERAL MOTORS CORP.
  5. Locate the front end discriminating sensor - right electrical connector (1).
  6. Remove the Connector Position Assurance (CPA) from the front end discriminating sensor - right connector.
  7. Remove the front end discriminating sensor - right electrical connector (1) from the front end discriminating sensor - right (2).
    8. Fig 3: Electrical Connector, Front End Discriminating Sensor And Fasteners (Left)
    GM819428Courtesy of GENERAL MOTORS CORP.
  8. Open front hood, and locate the front end discriminating sensor - left electrical connector (1).
  9. Remove the Connector Position Assurance (CPA) from the front end discriminating sensor - left connector.
  10. Remove the front end discriminating sensor - left electrical connector (1) from the front end discriminating sensor - left (2).
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