GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.

  1. Disconnect the negative battery cable.
  2. Remove the steering column trim covers. Refer to Steering Column Trim Covers Replacement .

  3. Object Number: 307332  Size: SH
  4. Remove the retaining screws from the multifunction switch  (2).
  5. Remove the multifunction switch (2) from the steering column.
  6. Disconnect the electrical connectors from the multifunction switch (2).

Installation Procedure

  1. Connect the electrical connectors to the multifunction switch (2).

  2. Object Number: 307332  Size: SH
  3. Install the multifunction switch (2) to the steering column while depressing the spring loaded horn pin.
  4. 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.

  5. Install the retaining screws to the multifunction switch (2).
  6. Tighten
    Tighten the screws to 4 N·m (36 lb in).

  7. Install the steering column trim covers. Refer to Steering Column Trim Covers Replacement .
  8. Connect the negative battery cable.
  9. Ensure that the multifunction switch functions properly.