3 WHeeLeR WoRLD-Tech Help Honda Wiring Diagrams Honda Wiring Diagrams Here are some wiring diagrams for the Honda 3Wheelers. Note: Click on the picture to the left of the one you want. These are pretty big in size. So they may take a little bit to Load. 1. ATC70 1973 - 1974 & 1978 Thru 1982 ----- 2. ATC70 1983 Thru 1985Specifications · Parts · Yamaha Wiring Diagrams 3WHeeLeR WoRLD - Honda ATC wiring diagrams Dec 26, 2009Registration is free and will only take a few moments of your time. We have lot of content available on vintage 3-wheeled ATVs. Technical assistance such was wiring diagrams, old brochures and specifications, performance modifications, and much more. Alternatively, you may also Login now if you already have an account.