GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2007 🢒 Allure 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Ignition and Start Switch Replacement

Removal Procedure

    Caution: Refer to SIR Caution in the Preface section.

  1. Disable the SIR system SIR Disabling and Enabling .
  2. Remove the upper and lower trim covers. Refer to Steering Column Trim Covers Replacement .
  3. Remove the ignition lock cylinder. Refer to Ignition Lock Cylinder Replacement .

    4. Object Number: 420192 Size: SH
  4. Disconnect the theft deterrent control module connector.
  5. Disconnect the fused jumper assembly connector.

    6. Object Number: 324869 Size: SH
  6. Slide the theft deterrent control module (2) from the ignition lock cylinder case (1).

    7. Object Number: 324871 Size: SH
  7. Remove the key alarm connector (1) from the ignition lock cylinder case (4).
  8. Remove the 2 tapping screws (3) from the ignition switch assembly (2).

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 324871 Size: SH
  1. Install the ignition switch assembly (2) and secure by using 2 tapping screws (3).

    2. Tighten
    Tighten the screws to 7 N·m (62 lb in).

  2. Install the ignition switch assembly connector (1) onto the ignition lock cylinder case (4).

    3. Object Number: 420192 Size: SH
  3. Connect the theft deterrent control module connector.
  4. Connect the fused jumper assembly connector.

    5. Object Number: 324869 Size: SH
  5. Install the theft deterrent control module (2) onto the ignition lock cylinder case (1).
  6. Install the ignition lock cylinder. Refer to Ignition Lock Cylinder Replacement .
  7. Install the upper and lower trim covers. Refer to Steering Column Trim Covers Replacement .
  8. Enable the SIR system. Refer to SIR Disabling and Enabling .