Hi there, just ordered a Canbus plug with tails on from BMW, part number 80 00 0 611 656, its got three yellow wires coming out if numbered 1, 2 and 3any ideas on which is +, - etc, many thanks in advance, cheers.
There's a thread somewhere, about installing a GPS power supply, by Noddy or Noddymademe (I think) with pictures etc. A quick search should turn it up.