Originally Posted by dabigafiga

Hey Guys. UPDATE: I purchased the MKIV and I have the two connecting cables. Question: Most of the reconnecting is simple (as I just have to match colors), but on one of the connection plugs, there are 3 black wires on it. Does any one know what each is? or better, if anyone knows where I can find the wiring diagram for the Navigation harness?? I've seached this forum and others with no success.