The document discusses the wiring system of early Model A Fords from 1928-1930. It describes the types of wires, battery connections, fuse locations, and wiring diagrams. Key points covered include using stranded wire for flexibility, ensuring proper battery connections and polarity, and locating the starter switch and terminal box. Common wiring issues like lights burning out and horns not.. Where can I access wiring diagrams for my Model A? Answer: You can find wiring diagrams for your Model A in various publications and resources. Here are some sources where you can typically find wiring diagrams: Model A Service Bulletins: The Model A Service Bulletins often include wiring diagrams and are a valuable resource for Model A owners.
Ford's original Model A wiring diagram with a few modern options - SEE NOTE 1. Electrical Wiring Diagram Click image to enlarge! Pictured above is the wiring diagram for the Model A as illustrated in Dykes Automobile and Gasoline Engine Encyclopedia Supplement, page 16. Note that this image is the corrected version, not the one commonly seen on the internet having the internal mistake in the starting motor brush connections.