Item Name: Towing Electrics Aluminium Alloy Towing Plug Wiring Electric Trailer Heavy Duty. 100% Brand And High QualityDesign: 7-pin OperatingColor: SilverSize: 10x4x4cm /3.9x1.5x1.5inchMaterial: AluminiumVoltage: 12 VoltDescriptionThis is a 12V trailer connector plug. It supplies power to your caravan, towing and truck. It is suitable For: 7-pin heavy European standard trailer. Made of aluminum, it is durable and can be used for a long time. This 12V trailer plug connector with 7 pins is a great option for boats and it is also great to be used on an RV, caravan, etc.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 & No. Plate Lamp), PIN 6 - Red Wire (Brake lights), PIN 7 - Black Wire (Left/H Tail & No. Plate Lamp).Notes: Due to the difference between different monitors, the pictures may not reflect the actual color of the item. Compare the detail sizes with yours, please allow 1-3cm error, due to manual measurement.Package Include: 1 x Trailer Truck Towing Plug *