GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Isuzu 🢒 2009 🢒 I-290 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Turn Signal Multifunction Switch Replacement

Removal Procedure

    Note: The turn signal multifunction switch and Inflatable restraint steering wheel module coil are serviced as an assembly.

  1. Remove the steering wheel. Refer to Steering Wheel Replacement.
  2. Remove the steering column trim covers. Refer to Steering Column Trim Covers Replacement.

    3. Object Number: 1488252 Size: SH
  3. Disconnect any electrical connectors and remove the wiring harness from any retainers as needed.

    4. Object Number: 1488282 Size: SH
  4. Remove the turn signal multifunction switch bolts.
  5. Slide the multifunction turn signal switch off of the steering column.

Installation Procedure

    Note: A new multifunction turn signal switch will come precentered with a centering tab attached. Do NOT remove the centering tab until installation is complete. Failure to follow procedure will cause a misalignment of the multifunction turn signal switch and centering will be required.

    If reusing the existing multifunction turn signal switch, you must center it. Refer to Inflatable Restraint Steering Wheel Module Coil Centering.

  1. Slide the multifunction turn signal switch onto the steering column.

    2. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1488282 Size: SH
  2. Install the multifunction turn signal switch bolts.

    3. Tighten
    Tighten the bolts to 7 N·m (62 lb in).

  3. Route the wire harness assembly down the steering column.

    4. Object Number: 1488252 Size: SH
  4. Connect any electrical connectors and install the wiring harness through any retainers as needed.
  5. Remove the centering tab from the multifunction turn signal switch.
  6. Install the steering column trim covers. Refer to Steering Column Trim Covers Replacement.
  7. Install the steering wheel. Refer to Steering Wheel Replacement.