12V EU Truck and Trailer 7-Pin round Metal Plug-Socket

This is currently the most popular plug used for towing as it does the lighting on most trailers and caravans.

All trailer sockets are very simple to wire.

To wire a plug or socket the first thing to do is to disassemble the plug or socket, this is very simple as the centre part that the wires fasten into can then be removed giving easy access to the screws then fasten the wires to the relevant pins.
Split-pin connections
Die-cast casing
Dust and water resistant
Floating pins for ease of alignment and maximum contact
Optimum slant mount and drain slot rid housing interior of accumulated moisture
Self-ground terminal pin #1 will accept 8-14 AWG
All other terminals accept 10-16 AWG
Connect to 7-way trailer connector plugs
Interchangeable with competitive makes

We also provide a matching 7P plug
Packing: We can provide blister box, card box and plastic bag according to your request.

7 Pin Lighting Connections – 12 N Black Cable Function

PIN 1 – Yellow Wire (Left/Hand 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 (Stop Lamp)

PIN 7 – Black Wire (Left/H Tail & 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&4)

Pin 4- Green Power Supply

Pin 5 -Brown Spare

Pin 6- Red Fridge

Pin 7- Black Earth Return (for pin 6)