GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    Caution: Refer to SIR Caution in the Preface section.


    Object Number: 419645  Size: SH
  1. Disable the SIR system. Refer to SIR Disabling and Enabling in SIR.
  2. Remove the steering column. Refer to Steering Column Replacement .
  3. Remove the retaining screws (2) from the lower steering column trim cover (1).
  4. Remove the trim cover (1) from the closeout shroud.

  5. Object Number: 312287  Size: SH
  6. Remove the tie straps (2) from the wiring harness.

  7. Object Number: 312291  Size: SH
  8. Disconnect the electrical connectors (2) from the module (1).

  9. Object Number: 312302  Size: SH

    Important: Note the direction that the wiring harness is routed for re-installation.

  10. Open the lower wiring harness shield (1) and remove the wiring harness.

  11. Object Number: 312321  Size: SH
  12. Remove the tilt and telescope switch (2) from the lower steering column trim cover (1).

Installation Procedure


    Object Number: 312321  Size: SH
  1. Install the tilt and telescope switch (2) to the lower steering column trim cover (1).

  2. Object Number: 312302  Size: SH
  3. Install the wiring harness (2) to the lower wiring harness shield (1).

  4. Object Number: 312291  Size: SH
  5. Connect the electrical connectors (2) to the module (1).

  6. Object Number: 312287  Size: SH
  7. Install the tie straps (2) to the wiring harness.

  8. Object Number: 419645  Size: SH
  9. Install the lower steering column trim cover (1) to the steering column closeout shroud and to the upper steering column trim cover.
  10. Install the retaining screws to the lower trim cover (2).
  11. Tighten
    Tighten the screws to 3.5 N·m (31 lb in).

  12. Install the steering column. Refer to Steering Column Replacement .
  13. Enable the SIR system. Refer to SIR Disabling and Enabling in SIR.