volkswagen – Circuit Wiring Diagrams The wiring schematic we will be discussing about here is the fuse panel layout wiring diagram of the 1992 Volkswagen GTI. The wiring diagram is quite clear to see, so it should be easy for you to read and understand about them first before making any changes on your Volkswagen GTI wiring systems. 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 VintageBus - VW Bus (and other) Wiring Diagrams These diagrams are provided as a public service to VW owners everywhere, for free. These images are huge, so it will take a while to download. I do not have the time or resources to help everyone with their wiring problems. I do not have the time or resources to help everyone to get their computer to view these diagrams.