Classic Car Wiring . Com : Home of the original color All wire colors (including tracers) and component information is from the original factory service manuals. This means the wire colors on the diagram are the same as what was originally in your car. Diagram covers the complete basic car including: interior and exterior lights, engine & engine compartment, firewall, under dash, instrumentation, etc.Chevelle · Chevy Truck · Mustang · Cadillac & LaSalle · 1928 - 1962 Cars · Triumph vintage wiring diagram | eBay Find great deals on eBay for vintage wiring diagram. Shop with confidence. Skip to main content. eBay Logo: Shop by category. Shop by category. Enter your search keyword Chiltons vintage Wiring Diagrams Manual Classic Cars, Studebaker too! Pub. 1963.