GM Service Manual Online
For 1990-2009 cars only

Ignition and Start Switch Replacement LHD

Removal Procedure

    Caution: Refer to SIR Caution in the Preface section.


    Object Number: 339402  Size: SH
  1. Apply the park brake.
  2. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
  3. Disable the SIR system. Refer to SIR Disabling and Enabling in SIR.
  4. Remove the radio. Refer to Radio Replacement in Entertainment.
  5. Remove the knee bolster. Refer to Knee Bolster Replacement .
  6. Disconnect the ignition switch electrical.
  7. Remove the lamp socket from the ignition switch.
  8. Turn the ignition to the run position.
  9. Depress the release button (1) on the park lock cable and pull the cable, in order to disconnect the park lock cable from the ignition switch.
  10. The release button (1) is located on the bottom of the ignition switch at the 6 o'clock position.


    Object Number: 751050  Size: SH
  11. Look through the radio opening, and locate the ignition lock cylinder retaining tab (3).
  12. The ignition lock cylinder retaining tab (3) is located on the right lower side of the ignition switch assembly (2).

  13. Using a flat-bladed too, depress and hold the ignition lock cylinder retaining tab (3)
  14. Remove the ignition lock cylinder from the I/P.
  15. Remove the ignition switch fasteners (1, 4).

  16. Object Number: 751049  Size: SH
  17. Looking through the opening next to the steering column, remove the fastener (2) from the ignition switch (2)
  18. Remove the ignition switch assembly from the I/P.

Installation Procedure


    Object Number: 751049  Size: SH
  1. Install the ignition switch (2) to the I/P retainer.
  2. Notice: Refer to Fastener Notice in the Preface section.

  3. Through the opening next to the steering column, install the ignition switch fastener (1).
  4. Tighten
    Tighten the fastener to 2 N·m (18 lb in).


    Object Number: 751050  Size: SH
  5. Through the radio opening, install the ignition switch fasteners (1, 4).
  6. Tighten
    Tighten the fastener to 2 N·m (18 lb in).


    Object Number: 339237  Size: SH
  7. Install the park lock cable (1) to the ignition switch.
  8. Connect the ignition switch electrical connectors.
  9. Install the lamp socket to the ignition switch.

  10. Object Number: 291659  Size: SH
  11. With the key installed in the ignition lock cylinder (1) insert the ignition lock cylinder (1) into the I/P opening (2).
  12. The lock cylinder retaining tab (3) will produce an audible click, when fully engaged.

  13. Using light force, pull on the lock cylinder in order to ensure the lock cylinder is engaged.
  14. Turn the ignition to LOCK, then remove the key.
  15. Install the radio. Refer to Radio Replacement in Entertainment.
  16. Install the knee bolster. Refer to Knee Bolster Replacement .
  17. Enable the SIR system. Refer to SIR Disabling and Enabling in SIR.
  18. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
  19. Inspect the ignition switch for proper operation in all positions.
  20. Release the park brake.

Ignition and Start Switch Replacement RHD

Removal Procedure

    Caution: Refer to SIR Caution in the Preface section.

  1. Apply the park brake.
  2. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
  3. Disable the SIR system. Refer to SIR Disabling and Enabling in SIR.
  4. Remove the right instrument panel outer trim cover. Refer to Instrument Panel Outer Trim Cover Replacement .
  5. Remove the knee bolster. Refer to Knee Bolster Replacement .

  6. Object Number: 339402  Size: SH
  7. Disconnect the electrical connectors from the ignition switch.
  8. Remove the lamp socket from the ignition switch.
  9. Turn the ignition to the run position.
  10. Depress the release button (1) for the park lock cable and pull the cable, in order to disconnect the park lock cable from the ignition switch.
  11. The release button (1) is located on the bottom of the ignition switch at the 6 o'clock position.


    Object Number: 751050  Size: SH
  12. Look through the I/P outer trim panel opening and locate the ignition lock cylinder retaining tab (3).
  13. The ignition lock cylinder retaining tab (3) is located on the right lower side of the ignition switch assembly (2).

  14. Using a flat-bladed tool, depress and hold the ignition lock cylinder retaining tab (3).
  15. Remove the ignition lock cylinder from the I/P.
  16. Remove the ignition switch fasteners (1, 4).

  17. Object Number: 751049  Size: SH
  18. Looking through the opening next to the steering column, remove the fastener (2) from the ignition switch (2)
  19. Remove the ignition switch assembly from the I/P.

Installation Procedure


    Object Number: 751049  Size: SH
  1. Install the ignition switch (2) to the I/P retainer.
  2. Notice: Refer to Fastener Notice in the Preface section.

  3. Through the opening next to the steering column, install the ignition switch fastener (1).
  4. Tighten
    Tighten the fastener to 2 N·m (18 lb in).


    Object Number: 751050  Size: SH
  5. Through the I/P outer trim panel opening , install the ignition switch fasteners (1, 4).
  6. Tighten
    Tighten the fastener to 2 N·m (18 lb in).


    Object Number: 339237  Size: SH
  7. Install the park lock cable (1) to the ignition switch.
  8. Connect the ignition switch electrical connectors.
  9. Install the lamp socket to the ignition switch.

  10. Object Number: 291659  Size: SH
  11. With the key installed in the ignition lock cylinder (1) insert the ignition lock cylinder (1) into the I/P opening (2).
  12. The lock cylinder retaining tab (3) will produce an audible click, when fully engaged.

  13. Using light force, pull on the lock cylinder in order to ensure the lock cylinder is engaged.
  14. Turn the ignition to LOCK, then remove the key.
  15. Install the right I/P outer trim panel. Refer to Instrument Panel Outer Trim Cover Replacement .
  16. Install the knee bolster. Refer to Knee Bolster Replacement .
  17. Enable the SIR system. Refer to SIR Disabling and Enabling in SIR.
  18. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
  19. Inspect the ignition switch for proper operation in all positions.
  20. Release the park brake.