Wiring Configuration:
7 Pin Lighting Connections - 12 N Black Cable Function
PIN 1 - Yellow Wire (Left/H Direction Indicator)
PIN 2 - Blue Wire (Rear Fog Lamps)
PIN 3 - White Wire (Earth Return)
PIN 4 - Green Wire (Right/H Direction Indicator)
PIN 5 - Brown Wire (Right/H Tail and No. Plate Lamp)
PIN 6 - Red Wire (Brake lights)
PIN 7 - Black Wire (Left/H Tail and No. Plate Lamp)
Caravan 7 Pin supplementary circuits 12S grey cable function
Pin 1 Yellow Reversing Lamps
Pin 2 Blue Battery Charging (original UK system)
Pin 3 White Earth Return (for pins 2 and 4)
Pin 4 Green Power Supply
Pin 5 Brown Spare
Pin 6 Red Fridge
Pin 7 Black Earth Return (for pin 6)
13 Pin Lighting Connections -- Cable Function
Pin 1 - Yellow Wire (Left Indicator)
Pin 2 - Blue Wire (Fog Light)
Pin 3 - White Wire (Earth Return)
Pin 4 - Green Wire (Right Indicator)
Pin 5 - Brown Wire (Right tail / Side Light)
Pin 6 - Red Wire ( Brake / Stop Lights )
Pin 7 - Black Wire (Left tail / Side Light)
Pin 8 - Pink Wire (Reversing Light)
Pin 9 - Orange Wire (12V Pemanent power from battery)
Pin 10 - Grey Wire (12V Ignition on ( Battery charging or Fridge)
Pin 11 - White / Black Wire (Earth for Teminal 10)
Pin 12 - White / Blue Wire (NOT usually used)
Pin 13 - White / Red Wire (Earth for Teminal 9)