GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Disable the SIR system. Refer to Disabling the SIR System
  2. in SIR.


    Object Number: 280872  Size: SH
  3. Remove the inflator module. Refer to Inflatable Restraint Steering Wheel Module Replacement in SIR.
  4. Disconnect the horn wiring connector from the steering column.
  5. Remove the horn switch bolts (2) from the horn switch (3).
  6. Remove the horn switch (3) from the steering wheel (6).

Installation Procedure


    Object Number: 280872  Size: SH
  1. Install the horn switch (3) to the steering wheel (6).
  2. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  3. Install the horn switch bolts (2) to the horn switch (3).
  4. Tighten
    Tighten the horn switch bolts to 6 N·m (53 lb in).

  5. Connect the horn wiring connector to the steering column.
  6. Install the inflator module. Refer to Inflatable Restraint Steering Wheel Module Replacement in SIR.
  7. Enable the SIR system. Refer to Enabling the SIR System in SIR.