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HOMESERVICE MANUALSCHEVROLET1998SUBURBAN K2500, 7.4 J, PART TIMEREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 624 (SUPPLEMENTAL INFLATABLE RESTRAINT SYSTEM)REPAIR INSTRUCTIONSSIR DISABLING AND ENABLING ZONE 1ENABLING PROCEDURE
1998 Chevrolet Suburban K2500, 7.4 J, Part Time

Enabling Procedure

1998 Chevrolet Suburban K2500, 7.4 J, Part TimeSECTION Enabling Procedure
WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the key from the ignition.
  2. Connect the harness connector from the sensor (1).
  3. Install the orange CPA (2) from the yellow sensor harness connector (3).
    Fig 1: View Of Sensor, CPA & Yellow Sensor Harness Connector
    GM809058Courtesy of GENERAL MOTORS CORP.
    4. Fig 2: Locating SIR Fuse
    GM628316Courtesy of GENERAL MOTORS CORP.
  4. Install the SIR Fuse.
  5. Install the console accessory wiring junction block access hole cover.
  6. Staying well away from all inflator modules and pretensioners, turn ON the ignition.
    1. The AIR BAG indicator will flash 7 times.
    2. The AIR BAG Indicator will then turn OFF.
  7. Perform Diagnostic System Check - SIR  if the AIR BAG indicator does not operate as described.
RENDER: 1.0x

NO RELATED

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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

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  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.