HELLO Stuart, your tail lights will come off of your headlight switch, the five wires should be six wires 1 for lt front,1 for rt front 1 for lt rear 1 for rt rear,1 for stop(from brake switch)1 for power(unless power is not in that plug) is there any other wires going up the colum? the dash indacators will come of the front turn signals,the stop lights will come through the rear turn signals,