Hi everyone….i am a new user here. As per my knowledge there are several wiring diagrams in the assembly manuals, in the menu of our web site. What I did for my Classic Roadster Duchess wiring, was To color each wire in the wiring harness, with a corespond ing colored felt tip crayloa fine tip felt pen. I then could see a “minds eye” where each wire went, from accessory to the guage on the dash. I had the car wired in less then 2 hrs. I also englarged the wiring schmadic to better identify, where the wires went. Some solder the wires, I used high grade crimps.