???Features:
Suitable for 7-pin heavy European standard trailer.
Establishes a secure connection between your major vehicle and the additional trailer; Transfers the electronic signal lights from the vehicle to trailer.
Supplies power to your caravan， towing and truck.
Brass pins in a durable metal housing.
Waterproof for all road and weather conditions.
 
Specifications:
Item Type: Electrical Plug & Sockets
Item Name: 7-Pin Trailer Plug
Material: Aluminum
Color: Silver
Input: 12V
Item size: 9.2(H) * 4(D)cm / 3.6(H) * 1.6(D)in
Package size: 16.5 * 10.5 * 4cm / 6.5 * 4.1 * 1.6in
Package weight: 95g / 3.4oz

Wiring configuration:

Pin	Wire Color	Function
1	Yellow	L / H Direction Indicator
2	Blue	Rear Fog Lamps
3	White	Earth Return
4	Green	R / H Direction Indicator
5	Brown	R / H Tail & No. Plate Lamp
6	Red	Stop Lamps
7	Black	L / H Tail & No. Plate Lamp

Package List:
1 * 7-Pin Trailer Plug