VintageWiringDiagram Late 1953 356 Pre A Wiring Diagram (VR on bulkhead or under dash) $45 1954-1955 356 Pre A Coupe Wiring Diagram. Vintage Wiring Diagrams. Home. Diagrams. VintageBus - VW Bus (and other) Wiring Diagrams VW Buses from 1949 to 1967, including pictures, descriptions, and technical information of microbuses, kombis, panels, standards, pickups and more.