GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 141930  Size: SH
  1. Disable the Supplemental Inflatable Restraint (SIR) system. Refer to Disabling the SIR System in Restraints.
  2. Insert a flat-bladded screwdriver into one of the four openings in the back of the steering wheel.
  3. Turn the screwdriver counterclockwise to disengage the wire from the slot in the inflator module.
  4. Pull the driver inflator module gently away from the steering wheel.
  5. Repeat the same steps for the three other holes.
  6. Important: Note the driver inflator wire routing positions, the redundant control routing positions, and the horn wire routing positions for the correct re-assembly.


    Object Number: 255209  Size: SH
  7. Remove the connector position assurance (CPA) (4) and driver inflator module electrical connector.
  8. Remove the horn grounded lead (2) from the threaded hole in the steering wheel.
  9. Rotate the horn contact lead counterclockwise 1/4 turn.
  10. Remove the horn contact lead (2) from the steering column cam tower.
  11. Remove the inflatable restraint steering wheel module.

Installation Procedure


    Object Number: 255209  Size: SH
  1. Connect the horn ground lead (2) into the lower left threaded hole in the steering wheel.
  2. Connect the horn contact lead into the steering column cam tower.
  3. Rotate the horn contact turn 1/4 turn clockwise to lock.
  4. Connect the inflator module electrical connector and CPA (4).
  5. Important: Route the driver inflator wires, the redundant control wires, and the horn wires correctly.

  6. Align the driver inflator module fasteners to the steering column fastener holes.
  7. Push the driver inflator module firmly into the steering column in order that the fasteners engage.
  8. Enable the SIR system. Refer to Enabling the SIR System in Restraints.