Tools You'll Likely Need:
* Socket set (metric and possibly standard)
* Screwdrivers (Phillips and flathead)
* Pliers (needle-nose are helpful)
* Wire strippers/crimpers (if you need to replace any wiring)
* A flashlight
* Possibly a steering wheel puller (depending on your access)
* Electrical tape or wire connectors
Steps (General - Consult your repair manual for specifics):
1. Disconnect the Battery: This is crucial to prevent electrical shocks and short circuits. Disconnect the negative (-) terminal first.
2. Remove the Steering Wheel (Possibly): Depending on the access to the ignition switch, you might need to remove the steering wheel. This usually requires a steering wheel puller and is a more advanced procedure. Consult a repair manual for this step if necessary.
3. Remove the Steering Column Shroud/Trim: This is the plastic or metal cover around the steering column. This usually involves removing screws or bolts.
4. Access the Ignition Switch: Once the shroud is off, you'll see the ignition switch. It's usually held in place by screws or a retaining clip. There might be a lock cylinder that needs to be removed first.
5. Disconnect the Wiring Harness: Carefully disconnect the electrical connectors from the ignition switch. Take pictures or make notes of the wiring connections before disconnecting to ensure correct reassembly.
6. Remove the Ignition Switch: Remove the screws or clips holding the ignition switch in place and carefully remove the switch.
7. Install the New Ignition Switch: Install the new ignition switch, ensuring it's properly seated and aligned.
8. Reconnect the Wiring Harness: Reconnect the wiring harness, carefully matching the wires to their original positions. Refer to your pictures or notes.
9. Reinstall the Steering Column Shroud/Trim: Reattach the steering column shroud.
10. Reinstall the Steering Wheel (if removed): If you removed the steering wheel, carefully reinstall it, ensuring proper alignment. Torque specifications are crucial here; consult your repair manual.
11. Reconnect the Battery: Reconnect the negative battery cable.
12. Test the Ignition System: Test the ignition system to ensure everything is working correctly. Check all the ignition positions (accessory, start, etc.).
Important Considerations:
* Repair Manual: A repair manual specific to your 1989 Ford Bronco is highly recommended. It will provide detailed diagrams, torque specifications, and step-by-step instructions.
* Ignition Key: You'll likely need your key to remove the ignition cylinder.
* Wiring: Take meticulous notes or photos of the wiring before disconnecting. Incorrect reconnection can cause serious electrical problems.
* Security: If your vehicle has an anti-theft system, disconnecting the battery might trigger alarms.
* Professional Help: If you're uncomfortable with any of these steps, it's best to seek professional help from a qualified mechanic.
This is a general guide. Improper installation can lead to electrical issues or damage to your vehicle. Always prioritize safety and refer to a reliable repair manual for your specific vehicle.