GM Service Manual Online
For 1990-2009 cars only

Removal procedure


    Object Number: 644293  Size: SH
  1. Remove the Ignition Switch. Refer to Ignition and Start Switch Replacement in Instrument Panel, Gages, and Console.
  2. Remove the Ignition lock cylinder lamp bulb socket (1) by turning counterclockwise 1/4 turn.
  3. Remove the bulb from the socket.

Installation Procedure


    Object Number: 644293  Size: SH
  1. Install the Ignition lock cylinder lamp bulb into the lamp socket (1).
  2. Install the Ignition lock cylinder lamp bulb socket by turning clockwise 1/4 turn.
  3. Install the Ignition Switch. Refer to Ignition and Start Switch Replacement in Instrument Panel, Gages, and Console.