GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2002 🢒 GMC C Sierra - 2WD 🢒 Body and Accessories 🢒 Instrument Panel, Gages, and Console 🢒 Enabling the SIR System
  1. Remove the key from the ignition.

    2. Object Number: 748421 Size: SH
  2. Connect the IP module yellow 2-way connector (1) located behind the main IP support.
  3. Install the CPA to the IP module yellow 2-way connector (1) located behind the main IP support.

    4. Object Number: 190000 Size: SH
  4. Connect the steering wheel module yellow 2-way connector (2) located at the base of the steering column.
  5. Install the CPA (1) to the steering wheel module yellow 2-way connector (2) located at the base of the steering column.
  6. Install the AIR BAG Fuse to the fuse block.
  7. Staying well away from all air bags, turn ON the ignition, with the engine OFF.
    8. 7.1. The AIR BAG indicator will flash 7 times.
    7.2. The AIR BAG indicator will then turn OFF.
  8. Perform the Diagnostic System Check - SIR if the AIR BAG indicator does not operate as described.