Hi , need some help here please, I am taken a engine and gearbox out of my vw passat tdi to fit into my vw t4 now the problem I have is the wiring !! I've kept all the wiring on the engine but I need to know which wires I need for the ecu to work before I start cutting away and pulling apart the car !! I have the clocks the key and the ecu is plug and play