GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2006 🢒 Terraza Ext. 🢒 Vehicle Control Systems 🢒 Computer/Integrating Systems 🢒 Ignition and Start Switch Replacement

Removal Procedure
  1. Disable the SIR system. Refer to SIR Disabling and Enabling in SIR.
  2. Remove the steering column trim covers. Refer to Steering Column Trim Covers Replacement .
  3. Remove the ignition lock cylinder. Refer to Ignition Lock Cylinder Replacement .
  4. Remove the theft deterrent exciter module from the lock cylinder housing. Refer to Theft Deterrent Exciter Module Replacement in Theft Deterrent.

    5. Object Number: 1540116 Size: SH
  5. Remove the screws (2) from the ignition switch (1).
  6. Remove the ignition switch (1) from the ignition lock cylinder case.
  7. Disconnect the ignition switch electrical connector.

Installation Procedure

    Object Number: 1540116 Size: SH
  1. Connect the ignition switch electrical connector.
  2. Install the ignition switch (1) to the ignition lock cylinder case.

    3. Notice: Refer to Fastener Notice in the Preface section.

  3. Install the screws (2) to the ignition switch (1).

    4. Tighten
    Tighten the screws to 1.25 N·m (11 lb in).

  4. Install the theft deterrent exciter module to the lock cylinder housing. Refer to Theft Deterrent Exciter Module Replacement in Theft Deterrent.
  5. Install the ignition lock cylinder. Refer to Ignition Lock Cylinder Replacement .
  6. Install the steering column trim covers. Refer to Steering Column Trim Covers Replacement .
  7. Enable the SIR System. Refer to SIR Disabling and Enabling in SIR.