Tools Required

WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

J 42759 Ignition Switch Connector Release Tool

Disable the inflatable restraint steering wheel module. Refer to DISABLING & ACTIVATING AIR BAG SYSTEM .
Important: The abrasion sleeve located on the steering column wire harness assembly must be reinstalled. Make note of what connector, electronic lock module assembly, is coming out of the middle of the abrasion sleeve for installation purposes.
Remove the turn signal switch housing. Refer to Turn Signal Switch Housing - Disassemble - Off Vehicle (Tilt) or Turn Signal Switch Housing - Disassemble - Off Vehicle (Standard) .
Remove the park lock cable assembly (1) from the electronic lock module assembly in the following way:
1. 3.1. Place the steering column lock cylinder set into the OFF position.
2. 3.2. Place the shift lever clevis into the PARK position.
3. 3.3. Use a small blade to push against the locking tab on the end of the park lock cable assembly (1).
4. 3.4. Disconnect the park lock cable assembly (1) from the electronic lock module assembly.
Rotate the key alarm connector (1) 90 degrees.
Pull the key alarm connector (1) out of the electronic lock module assembly (2).
Remove the passkey connector from the electronic lock module assembly (2).

Fig 1: Passkey Connector
Courtesy of GENERAL MOTORS CORP.
Insert J 42759 into the electronic lock module assembly (1) and slide the ignition and key alarm switch assembly (2) out.
Let the ignition and key alarm switch assembly (2) hang freely.

Fig 2: Key Alarm Switch Assembly
Courtesy of GENERAL MOTORS CORP.
Remove the 3 TORX® screws (2) from the electronic lock module assembly (1).
Remove the electronic lock module assembly (1) from the steering column tilt head assembly.

Fig 3: Electronic Lock Module Assembly
Courtesy of GENERAL MOTORS CORP.