1965 mustang main wiring harness
 

Hi all

Wondering how complicated it is to replace the main underdash wiring harness. I have some type of old alarm spliced into it and is very messy. I want to clean it up and replace it with a new harness. It case I mess it up does anyone know of someone that can fix it for me. Ideally it would be great if they can do this at my house. Car is not drivable yet. Let me know the price etc

Thanks

I can't see it being too complicated, pretty basic electrical system back then. You could also look to something like this

Search Results | Painless Performance

I have the original wiring diagram if you need it.