The 'E' Type Forum

I think you're right, that sounds like a Series 1 door
The striker alignment issue is a classic giveaway for a mismatch on these cars

For the ‘67 FHC, the horn cap is usually held on by clips or screws that can be tricky. Instead of prying too hard, try gently working around the edges with a plastic trim tool to avoid damage. Sometimes the cap can be stuck due to old adhesive or grime, so a bit of patience helps. As for the wires,...