1. Preparation:
* Gather Tools: You'll need a screwdriver set (Phillips and possibly flathead), possibly a small ratchet and sockets, needle-nose pliers, and possibly a wiring diagram (a shop manual is highly recommended).
* Steering Wheel Removal (Potentially): In some cases, partial or complete steering wheel removal might be necessary for better access. If so, carefully disconnect the horn wire and then use the appropriate steering wheel puller. Be aware that this is a more advanced procedure and should only be attempted if you're comfortable with it.
2. Accessing the Ignition Switch:
* Remove the Bezel: The ignition switch is behind a bezel surrounding the steering column. This bezel typically requires removing screws, which might be hidden under the steering wheel or dashboard. Once the screws are removed, carefully pull the bezel away from the column.
* Disconnect Wiring: Once the bezel is off, you'll see the ignition switch. Before touching the switch itself, carefully disconnect all the wires connected to it. Take pictures or make detailed notes of their positions to ensure correct reassembly. Use the needle-nose pliers to carefully disconnect any retaining clips.
* Remove the Ignition Switch: The switch itself is usually held in place by either a retaining nut or clip (or both). This is where a wiring diagram and/or shop manual become invaluable as they will show you precisely where these fasteners are and how to access them. You'll likely need to use your screwdrivers, ratchet and sockets to remove these fasteners. Sometimes the switch itself can be a bit stubborn and might require gentle persuasion, but avoid excessive force.
3. Reassembly:
* Reverse the steps above: Once you've removed the switch, carefully reverse the process to reinstall it. Ensure all wires are properly connected in their original positions. Refer to your notes or pictures to avoid errors.
* Test the Ignition: After reassembly, reconnect the negative battery terminal and test the ignition switch to ensure it functions correctly.
Important Considerations:
* Shop Manual: A factory service manual for a 1965 Chevrolet Impala is an invaluable resource. It provides detailed diagrams and instructions specific to your vehicle.
* Professional Help: If you're not comfortable working on your car's electrical system, it's best to seek the assistance of a qualified mechanic. Incorrectly handling the ignition system can lead to serious problems.
* Wiring Diagram: Even with a manual, having a clear wiring diagram will significantly help you with the reassembly.
This process is simplified. The actual procedure can vary based on your specific Impala's configuration. The most crucial advice is to have the correct tools, take your time, and consult a service manual or a reliable resource for detailed instructions specific to your vehicle. Remember safety first!
