GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1999 🢒 Astro - 2WD 🢒 Steering 🢒 Steering Wheel and Column - Tilt 🢒 Multifunction, Turn Signal, and Hazard Switch Replacement - On Vehicle
  1. Place the multifunction lever in the center or the OFF position.

    2. 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.

  2. Disconnect the battery negative cable.
  3. Disable the supplemental inflatable restraint (SIR) system. Refer to Disabling the SIR System in SIR.
  4. Remove the steering wheel inflator module. Refer to Inflatable Restraint Steering Wheel Module Replacement in SIR.
  5. Remove the horn plunger contact. Refer to Horn Switch Replacement - On Vehicle .
  6. Remove the steering wheel. Refer to Steering Wheel Replacement .
  7. Remove the tilt wheel lever (tilt steering column only).
  8. Remove the ignition lock cylinder. Refer to Ignition Lock Cylinder Replacement - On Vehicle .
  9. Remove the upper shroud.

    10. Object Number: 245826 Size: SH
  10. Remove the wire harness strap.
  11. Remove the 2 wire harness straps from the steering column wire harness.
  12. Remove the steering column wire harness from the instrument panel wire harness.
  13. Disconnect the gray and the black switch connectors from the steering column connector.
  14. Remove the 2 TORX® screws.
  15. Remove the multifunction turn signal/hazard switch assembly.

Installation Procedure

    Object Number: 245826 Size: SH
  1. Install the multifunction turn signal/hazard switch assembly as follows:
    2. 1.1. Use a small blade screwdriver in order to compress the electrical contact.
    1.2. Move the multifunction switch into position. The multifunction switch electrical contact must rest on the cancelling cam assembly.

    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 2 TORX® screws.

    3. Tighten
    Tighten the 2 TORX® screws to 6 N·m (53 lb in).

  3. Connect the gray and the black switch connectors to the steering column connector.
  4. Connect the steering column connector to the instrument panel wire harness.
  5. Install the 2 wire harness straps to the steering column wire harness.
  6. Install the wire harness strap.
  7. Install the upper shroud.
  8. Install the ignition lock cylinder. Refer to Ignition Lock Cylinder Replacement - On Vehicle .
  9. Place the lever in the center or the OFF position.
  10. Install the steering wheel. Refer to Steering Wheel Replacement .
  11. Install the horn plunger contact. Refer to Horn Switch Replacement - On Vehicle .
  12. Install the steering wheel inflator module. Refer to Inflatable Restraint Steering Wheel Module Replacement in SIR.
  13. Enable the SIR System. Refer to Enabling the SIR System in SIR.
  14. Connect the battery negative cable.