GM Service Manual Online
For 1990-2009 cars only

Tools Required

J-42759 Ignition Switch Connector Release Tool

Removal Procedure

  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
  2. Caution: Refer to SIR Caution in the Preface section.

  3. Disable the SIR system. Refer to Disabling the SIR System in SIR.
  4. Remove the hush and knee bolster. Refer to Knee Bolster Replacement in Instrument Panel.
  5. Remove the steering column trim covers. Refer to Steering Column Trim Covers - Disassemble - Off Vehicle .
  6. With the key installed, turn the key to the RUN position.

  7. Object Number: 1413814  Size: SH
  8. Install an allen wrench into the hole on top of the lock cylinder housing.
  9. Push down on the allen wrench to release the tab on the lock cylinder inside the lock cylinder housing.


    Object Number: 1413837  Size: SH
  10. Slide the lock cylinder out of the lock cylinder housing.
  11. Disconnect the passlock and key buzzer from the lock cylinder housing.

  12. Object Number: 1413831  Size: SH
  13. Insert J-42759 into the lock cylinder housing to release the tabs on the ignition switch.
  14. Pull the ignition switch out of the lock cylinder housing.
  15. Disconnect the connector from the ignition switch.