However, here's a general overview of the process. Remember, this is not a substitute for a proper repair manual:
1. Disconnect the battery: This is crucial to prevent electrical shocks and short circuits. Disconnect both negative and positive terminals.
2. Remove the steering column shroud: This plastic cover usually requires removing screws and possibly some trim pieces. The exact location and type of fasteners will vary, so refer to your repair manual.
3. Access the ignition switch: Once the shroud is removed, you should have visual access to the ignition switch itself. It's usually located behind the steering wheel, on the steering column.
4. Disconnect the wiring harness: Carefully unplug the wiring harness connector from the ignition switch. Take pictures or make notes before disconnecting to ensure correct reassembly.
5. Remove the ignition switch: This is the tricky part. The switch is often held in place by a retaining clip or screw. You may need to use small tools (like a small flathead screwdriver or a specialized ignition switch removal tool) to carefully pry or release the retaining mechanism. Again, your repair manual is crucial here as the exact method varies.
6. Remove the switch: Once the retaining mechanism is released, the switch should come out.
Important Considerations:
* Steering Wheel Lock: Be aware of the steering wheel lock mechanism. You may need to manipulate the steering wheel to release the lock before you can fully remove the ignition switch.
* Security: Some ignition switches are integrated with anti-theft systems. Disconnecting or removing these incorrectly could trigger alarms or immobilizers.
* Professional Help: If you're uncomfortable with this procedure, it's best to take your Corvette to a qualified mechanic. The cost of professional repair will likely be less than the cost of damaging your vehicle's electrical system.
In summary: While I've given a general outline, relying solely on this information is risky. Obtain a 1989 Chevy Corvette repair manual before attempting this repair. It will provide the precise steps, diagrams, and torque specifications necessary to safely complete the job.
