Car wiring diagrams: Ford F150 Diagram Wiring Diagram, wiring diagram, wire wiring harness, schematic circuit diagram, wiring diagran, wireing diagram, wirring diagram, wiring daigram, wiring diagrams. Wiring diagram I need wiring diagram for spark plugs..Can we start a collection of diagrams? I have found the Haynes manual to be semi lacking. Looking to build a comprehensive resource for .Can anyone get me a wiring diagram for my F ? I have recently lost my running tail lights and licence plate lamps. Visually checked .