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Home >> Hummer >> 2003 >> H2 >> Repair and Diagnosis >> External Pages >> Different car >> Section 578 (Supplemental Inflatable Restraint System) >> Repair Instructions >> SIR Disabling and Enabling Zone 1 >> Disabling Procedure

Disabling Procedure

WARNING: This page is about a different car, the 2004 Hummer H2. 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 OFF the ignition.
  3. Remove the key from the ignition.
  4. Remove the engine protection shield, if equipped.
    5. 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.
    Fig 1: SIR Fuse & Underhood Fuse Block
    GM848445Courtesy of GENERAL MOTORS CORP.
  5. Remove the SIR fuse (1) from the underhood fuse block.
  6. Raise and support the vehicle.
    7. Fig 2: CPA & EFS Connectors Located On The Frame Crossmember
    GM832839Courtesy of GENERAL MOTORS CORP.
  7. Remove the connector position assurance (CPA) from both electronic frontal sensor (EFS) connectors located on the frame crossmember.
  8. Disconnect the EFS connectors.
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