Installation Procedure

Install the ignition switch bracket to the ignition switch.
NOTE: Refer to FASTENER NOTICE .
Install the bolts to the ignition switch bracket.
Tighten

Tighten the bolts to 6 N.m (53 lb in).
Install the ignition switch into position through the I/P cluster opening.
Connect the electrical connectors to the ignition switch.
Connect the pass lock electrical connector from the ignition switch.
Connect the park/lock cable to the ignition switch.
Install the lamp socket to the ignition switch by rotating the socket.
Install the bolts to the ignition switch.
Tighten

Tighten the bolts to 6 N.m (53 lb in).
Insert the key and turn the ignition switch lock cylinder to the ACC position.
Align and press the ignition switch lock cylinder into place.
If the lock cylinder that you previously removed was seized or would not rotate, perform the following procedure:
1. 11.1. Install the new ignition switch lock cylinder as required by rotating both the cylinder and the ignition switch to the ON position.
2. 11.2. Push the lock cylinder into the ignition switch housing until fully seated.
3. 11.3. It may be necessary to slightly depress the release button as it passes by the 9/32 in hole previously drilled in the ignition switch housing.
Fig 1: Installing Ignition Switch & Electrical Connectors
Courtesy of GENERAL MOTORS CORP.
Remove the key from the ignition switch.
Install the I/P cluster. Refer to Instrument Panel Cluster (IPC) Replacement .
Install the HVAC control head. Refer to HVAC MODULE ASSEMBLY in HVAC Systems - Manual, or HVAC CONTROL ASSEMBLY in HVAC Systems - Automatic.
Install the radio. Refer to RADIO REPLACEMENT .
Connect the negative battery cable. Refer to BATTERY NEGATIVE CABLE DISCONNECT/CONNECT PROCEDURE .