GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1999 🢒 GMC C-Series Medium Duty Truck B7 🢒 Steering 🢒 Steering Wheel and Column - Standard 🢒 Ignition and Key Alarm Switch Assembly - Disassemble - Off Vehicle
  1. Remove the dimmer switch assembly. Refer to Dimmer Switch Assembly - Disassemble - Off Vehicle .

    2. Object Number: 378838 Size: SH
  2. Remove the dimmer and ignition switch mounting stud (3).
  3. Slide the ignition switch actuator rod out from the ignition switch assembly.
  4. Remove the ignition switch assembly (2) from the steering column jacket assembly (1).