VW Bus Wiring Harnesses, Wiring Looms - JBugs VW Bus wiring harnesses with complete wiring diagrams. Our VW transporter wiring harness kits include detailed installation instructions. The Volkswagen Bus wiring kits include all wires from headlight to taillight. The Volkswagen transporter wiring kit includes color coded wires. The 1958-1967 VW Kombi Wiring harness come as a complete kit. Volkswagen Bus, Vanagon, Eurovan Wiring Harnesses These are complete wire harnesses and are precise reproductions of the original VW harnesses. Each comes with a detailed installation set of instructions with color coded attachment clips. The Main Loom connects the engine and the fuse box. The Complete wiring loom contains all wires from front to rear, including the main loom wiring.