Usage Tips:Suitable for European standard trailer.Supplies power to your caravan, towing and truck.Converts the 13-pin socket on your car to the 7-pin female socket.Establishes a secure connection between your major vehicle and the additional trailer; Transfers the electronic signal lights from the vehicle to trailer.Weather proof sprung locking flap protects the connections when not in use and locks in the 7 pin plug when in use.7 Pin Lighting Connections - 12 N Black Cable FunctionPIN 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 & No. Plate Lamp )PIN 6 - Red Wire (Brake lights)PIN 7 - Black Wire (Left/H Tail & No. Plate Lamp )13 Pin Lighting Connections - Cable FunctionPin1 - Yellow Wire ( Left Indicator )Pin2 - Blue Wire ( Fog Light )Pin3 - White Wire ( Earth Return )Pin4 - Green Wire ( Right Indicator )Pin5 - Brown Wire ( Right tail / Side Light )Pin6 - Red Wire ( Brake / Stop Lights )Pin7 - Black Wire ( Left tail / Side Light )Pin8 - Pink Wire ( Reversing Light )Pin9 - Orange Wire ( 12V Pemanent power from battery )Pin10 - Grey Wire ( 12V Ignition on ( Battery charging or Fridge )Pin11 - White / Black Wire ( Earth for Teminal 10 )Pin 12 - White / Blue Wire ( NOT usually used )Pin 13 - White / Red Wire ( Earth for Teminal 9 )Color: BlackMaterial: plasticPackage Contents:3 x AdaptorsOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.