GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2003 🢒 Blazer - 2WD 🢒 Steering 🢒 Steering Wheel and Column 🢒 Steering Wheel Control Switch Assembly Replacement

Removal Procedure

    Caution: Refer to SIR Caution in the Preface section.

  1. Disable the SIR system. Refer to SIR Disabling and Enabling in SIR.
  2. Remove the inflator module. Refer to Inflatable Restraint Steering Wheel Module Replacement in SIR.

    3. Object Number: 1491622 Size: SH
  3. Remove the screws (1) which retain the horn contact plate to the steering wheel.

    4. Object Number: 1491626 Size: SH
  4. Remove the two screws (1) which retain the control button assembly (2) to the steering wheel.

    5. Object Number: 1491628 Size: SH
  5. Disconnect the electrical connector (2) from the control button assembly (1).

Installation Procedure

    Object Number: 1491628 Size: SH
  1. Connect the electrical connector (2) to the control button assembly (1).

    2. Object Number: 1491626 Size: SH

    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.

  2. Install the control button assembly (2) to the steering wheel with the two screws (1).

    3. Tighten
    Tighten the screws to 1.5 N·m (13 lb in).


    Object Number: 1491622 Size: SH
  3. Install the horn contact plate to the steering wheel with the screws (1).

    4. Tighten
    Tighten the screws to 5.5 N·m (50 lb in).

  4. Install the inflator module. Refer to Inflatable Restraint Steering Wheel Module Replacement in SIR.
  5. Enable the SIR system. Refer to SIR Disabling and Enabling in SIR.