Wiring - vw-resource Wiring. Note: You will find excellent wiring diagrams for all makes, years and models of VWs at VW Wiring Diagrams. Also Note: Wire sizes on these and most other wiring diagrams are printed on the wire in mm 2 Americans who express wire sizes in gauges, see this Wire Size Conversion Table. This article includes the following subtopics: Engine Compartment Wiring Related searches for 1968 vw bug wiring diagram 68 beetle wiring diagram1968 vw ignition switch diagram1971 vw wiring diagram colored1969 vw bug wiring diagram1969 vw wiring diagram68 vw bus wiring diagramjbugs wiring diagrams1968 beetle wiring diagram