Some PORSCHE Car Manuals PDF & Electric Wiring Diagrams above the page - Boxster, Cayenne, Cayman, Panamera, 911 Carrera, 924, 928, 944; Porsche EW Ds; PORSCHE Cars Fault Codes DTC.. Is there a book, website, or other source that explains what all the little symbols, letters and numbers on a factory wiring diagram mean? Like,
Wiring Diagram The wiring diagram consists of individual wiring diagrams and overview sheets for ground points, components, plugs, connector points, relay holders and fuses. The individual wiring diagrams are divided up into coordinate fields. The earth/ground points are identified by "GP" and their location is shown in a vehicle diagram. The connectors are identified by an X and a number.. After you get used to them, you will undoubtedly find that the current flow diagrams are much easier to read, primarily because they separate circuits from each other. You don't need to mess with one circuit that you don't care about, just to find an electrical fault in another.