GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2000 🢒 GMC K Sierra - 4WD 🢒 Restraints 🢒 SIR 🢒 Enabling the SIR System

    Object Number: 595705 Size: SH
  1. Remove the key from the ignition switch.
  2. Connect the passenger side air bag yellow 2-way connector (1) to the vehicle harness yellow 2-way connector (2) located under the passenger seat.
  3. Install the connector position assurance (CPA) to the passenger side air bag yellow 2-way connector (2).
  4. Connect the driver side air bag yellow 2-way connector (1) to the vehicle harness yellow 2-way connector (2) located under the driver seat.
  5. Install the connector position assurance (CPA) to the driver side air bag yellow 2-way connector (2).

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

    8. Object Number: 190000 Size: SH
  8. Connect the driver yellow 2-way connector (2) to the vehicle harness yellow 2-way connector located at the base of the steering column.
  9. Install the connector position assurance (CPA) (1) to the driver yellow 2-way connector (2).
  10. Install the AIR BAG Fuse to the fuse block.
  11. Staying well away from all air bags, turn ON the ignition.
    12. 11.1. The AIR BAG warning lamp will flash 7 times.
    11.2. The AIR BAG warning lamp will then turn OFF.
  12. Perform the Diagnostic System Check - SIR if the AIR BAG warning lamp does not operate as described. Refer to Diagnostic System Check - SIR .