Tools You'll Likely Need:
* Phillips head screwdriver
* Flathead screwdriver (possibly)
* Socket set (various sizes, probably 7/16" and 1/2")
* Ratchet and extensions
* Pliers
* Possibly a small pry bar
* New ignition switch activator linkage
Procedure:
1. Disconnect the Battery: This is crucial to prevent accidental shorts and damage to electrical components. Disconnect the negative (-) terminal first.
2. Remove the Steering Column Shroud: This plastic cover surrounds the steering column. You'll likely need to remove screws located underneath the steering wheel and possibly along the sides. Consult your repair manual for the exact location of these screws.
3. Access the Ignition Switch: Once the shroud is removed, you'll have better access to the ignition switch and the linkage. The linkage connects the ignition switch to the ignition cylinder.
4. Detach the Linkage: This is the most challenging part. The linkage usually consists of a small rod or cable with clips or fasteners connecting it to the ignition switch and the ignition cylinder.
* Carefully inspect the connection points. Note how the linkage is attached before disconnecting anything. Take pictures if needed.
* Use the appropriate tools (screwdrivers or pliers) to carefully remove the fasteners securing the linkage. Sometimes a small amount of gentle prying is necessary but be extremely cautious to avoid breaking anything.
5. Install the New Linkage: Once the old linkage is removed, carefully install the new linkage in the reverse order of removal. Ensure the linkage is properly seated and secured at both the ignition switch and the ignition cylinder.
6. Reconnect the Steering Column Shroud: Reassemble the steering column shroud, securing all screws.
7. Reconnect the Battery: Reconnect the battery's negative (-) terminal.
8. Test the Ignition: Turn the key to start the engine and ensure everything is working correctly. Check that the ignition is turning on accessories and starting the engine as it should.
Important Considerations:
* Repair Manual: A repair manual specific to your 1989 Ford F-150 is invaluable. It will provide detailed illustrations and torque specifications for all fasteners, making the process safer and easier.
* Caution: Be gentle when working near the ignition switch and other delicate components. Force can easily damage them.
* Parts: Make sure you are purchasing the correct ignition switch activator linkage for your specific year and model of F-150. Parts stores often have diagrams to help you choose the correct one.
If you're uncomfortable with this repair, it's best to take your truck to a qualified mechanic. Improper installation can lead to serious issues, including the inability to start your truck.
