Car wiring diagrams: Ford Galaxy Towbar Wiring Diagram, wiring diagram, wire wiring harness, schematic circuit diagram, wiring diagran, wireing diagram, wirring diagram, wiring daigram, wiring diagrams. Towbar Wiring posted in Caravan and Touring Hello all. st post, so be gentle. I have an Galaxy and will be fitting a towbar in due course..Hi, Do I have to buy the ford specific wiring kit for the tow bar I ve just fitted or can I wire straight into the existing wiring? If I can wire straight in, .Page Galaxy Wiring Colours posted in Ford Galaxy Technical i have a ford galaxy y reg , i have fitted a towbar threaded the Not off the top of my head, I have wiring diagrams but am off to work now, I will .