Pictures trailer plug wiring diagram south africa awesome 7 pin striking first class wiring diagram for trailers diagrams australia 7 pin south africa featherlite pj trailer socket wiring diagram south africa solutions plush design ideas wiring diagram for trailers diagrams australia 7 pin south africa featherlite. Pin 2 is for auxiliary 12v supply for stuff that needs 12v in the trailer. Eriba Caravan Wiring Diagram Wiring Schematic Diagram 6