Trailer Plug Wire Diagram. In some cases and more often in europe the trailer light will be connected using a 13 pin plug and socket. Depending on the type of electrics your trailer and towing vehicle have the wiring inside will be slightly different.
The images below show the common wiring guide for trailer plugs adapters sockets. All trailer plugs and sockets are very simple to wire. 7 pin trailer plug wiring diagram database wiring is a free worksheet for you.
On the rear of the pins the numbers are marked in the plastic next to each pin.
Blue electric brakes or hydraulic reverse disable see blue wire notes below in the trailer wiring diagram and connector application chart below use the first 5 pins and ignore the rest. Trailer wiring diagrams trailer wiring connectors various connectors are available from four to seven pins that allow for the transfer of power for the lighting as well as auxiliary functions such as an electric trailer brake controller backup lights or a. It is then much easier to envision the wiring diagrams in writing or any. 12 pin flat this is an extension of the 7 pin flat.