GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 1998 🢒 Seville 🢒 Restraints 🢒 SIR 🢒 Supplemental Restraint Steering Wheel Module Replacement

Removal Procedure

Caution: When you are carrying an undeployed inflator module:

   • Do not carry the inflator module by the wires or connector on the inflator module
   • Make sure the bag opening points away from you
When you are storing an undeployed inflator module, make sure the bag opening points away from the surface on which the inflator module rests. When you are storing a steering column, do not rest the column with the bag opening facing down and the column vertical. Provide free space for the air bag to expand in case of an accidental deployment. Otherwise, personal injury may result.


    Object Number: 141930 Size: SH
  1. Disable the SIR) system. Refer to Disabling the SIR System .
  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. Repeat the same steps for the three other holes.
  5. Pull the driver inflator module gently away from the steering wheel.

    6. Object Number: 255209 Size: SH

    Important: Note the driver inflator wire routing positions, the redundant control routing positions, and the horn wire routing positions for the correct re-assembly.

  6. Remove the connector position assurance (CPA) (4) and driver inflator module electrical connector.
  7. Remove the horn grounded lead (2) from the threaded hole in the steering wheel.
  8. Rotate the horn contact lead counterclockwise 1/4 turn.
  9. Remove the horn contact lead (2) from the steering column cam tower.
  10. Remove the inflatable restraint steering wheel module (5).

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.

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