GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 280872  Size: SH
  1. Disable the SIR system. Refer to Disabling the SIR System in S.I.R.
  2. Remove the inflatable restraint steering wheel module. Refer to Inflatable Restraint Steering Wheel Module Replacement in S.I.R.
  3. Disconnect the horn wiring connector from the steering column
  4. Remove the horn switch retaining bolts (5) from the horn switch (3).
  5. Remove the horn switch (3) from the steering wheel (6).

Installation Procedure


    Object Number: 280872  Size: SH
  1. Position 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. Connect the horn wiring connector to the steering column
  4. Install the horn switch retaining bolts (5) to the horn switch (3).
  5. Tighten
    Tighten the horn switch retaining bolts to 6 N·m (53 lb in).

  6. Install the inflatable restraint steering wheel module. Refer to Inflatable Restraint Steering Wheel Module Replacement in S.I.R.
  7. Enable the SIR system. Refer to Disabling the SIR System in S.I.R.