GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2002 🢒 Envoy - 4WD 🢒 Body and Accessories 🢒 Wiring Systems 🢒 Multifunction, Turn Signal, and Hazard Switch Replacement

Removal Procedure

    Object Number: 761439 Size: SH

    Caution: This vehicle is equipped with a Supplemental Inflatable Restraint (SIR) System. Failure to follow the correct procedure could cause the following conditions:

       â€¢ Air bag deployment
       â€¢ Personal injury
       â€¢ Unnecessary SIR system repairs
    In order to avoid the above conditions, observe the following guidelines:
       â€¢ Refer to SIR Component Views in order to determine if you are performing service on or near the SIR components or the SIR wiring.
       â€¢ If you are performing service on or near the SIR components or the SIR wiring, disable the SIR system. Refer to Disabling the SIR System.

  1. Disable the inflatable restraint steering wheel module. Refer to Disabling the SIR System in SIR.
  2. Remove the upper and lower trim covers. Refer to Steering Column Trim Covers Replacement .
  3. Tilt the column to the CENTER position.
  4. Disconnect the connectors from the turn signal and multifunction switch assembly.

    5. Remove 2 pan head tapping screws from the turn signal and multifunction switch assembly.

  5. Remove the turn signal and multifunction switch assembly.

Installation Procedure

    Object Number: 761439 Size: SH

    Important: The electrical contact on the turn signal and multifunction switch assembly must rest on the turn signal cancel cam assembly.

  1. Install the turn signal and multifunction switch assembly.

    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.

  2. Secure by using 2 pan head tapping screws.

    3. Tighten

    • Tighten the screw on the top of the column to 3 N·m (27 lb in).
    • Tighten the screw in the front to 7 N·m (62 lb in).
  3. Connect the connectors to the turn signal and multifunction switch assembly.
  4. Install the upper and lower trim covers. Refer to Steering Column Trim Covers Replacement .
  5. Enable the inflatable restraint steering wheel module. Refer to Enabling the SIR System in SIR.