GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2000 🢒 Express 🢒 Body and Accessories 🢒 Entertainment 🢒 Ignition Switch Replacement - On Vehicle

Removal Procedure

    Caution: This vehicle is equipped with a Supplemental Inflatable Restraint (SIR) System. Failure to follow the correct procedure could cause the following conditions:

       • Air bag deployment
       • Personal injury
       • Unnecessary SIR system repairs
    In order to avoid the above conditions, observe the following guidelines:
       • Refer to SIR Component Views in order to determine if you are performing service on or near the SIR components or the SIR wiring.
       • If you are performing service on or near the SIR components or the SIR wiring, disable the SIR system. Refer to Disabling the SIR System.

  1. Disable the SIR system. Refer to Disabling the SIR System in SIR.
  2. Remove the trim covers from the column. Refer to Steering Column Trim Covers Replacement - On Vehicle .
  3. Disconnect the steering column electrical connectors.

    4. Object Number: 322946 Size: SH
  4. Remove the wire harness assembly (1) from the wire harness strap (2).
  5. Remove and dispose of the small wire harness straps from the wire harness assembly (1).

    6. Object Number: 306234 Size: SH
  6. Slide the 2 connectors (2) of the turn signal and multifunction switch assembly out of the bulkhead connector (1).

    7. Object Number: 306267 Size: SH
  7. Remove the key alarm connector (1) from the lock module assembly (2).
    8. 7.1. Rotate the key alarm connector (1) 90 degrees.
    7.2. Pull the key alarm connector (1) out of the lock module assembly (2).

    Object Number: 306272 Size: SH
  8. Remove the 2 tapping screws (2) from the ignition and key alarm switch assembly (1).
  9. Remove the ignition and key alarm switch assembly (1) from the lock module assembly.

Installation Procedure

    Object Number: 306272 Size: SH
  1. Install the ignition and key alarm switch assembly (1) onto the lock module assembly.

    2. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  2. Screw the 2 tapping screws (2) into the ignition and key alarm switch assembly (1).

    3. Tighten
    Tighten the 2 tapping screws to 1.5 N·m (13 lb in).


    Object Number: 306267 Size: SH
  3. Install the key alarm connector (1) into the lock module assembly (2).
    4. 3.1. Push the key alarm connector (1) into the lock module assembly (2).
    3.2. Rotate the key alarm connector (1) 90 degrees so that the key alarm connector (1) locks into place.

    Object Number: 306234 Size: SH
  4. Slide the 2 connectors (2) of the turn signal and multifunction switch assembly into the bulkhead connector (1).
  5. Connect the steering column electrical connectors.

    6. Object Number: 322946 Size: SH
  6. Attach new wire harness straps to the wire harness assembly (1).
  7. Install the wire harness assembly (1) to the wire harness strap (2).
  8. Install the trim covers to the column. Refer to Steering Column Trim Covers Replacement - On Vehicle .
  9. Enable the SIR system. Refer to Enabling the SIR System .