Download 12 Pin Trailer Plug Wiring Diagram
Images. 7 pin small round plug and socket. Need a trailer wiring diagram?
Wiring trailer lights is not as difficult as most anticipate. Various styles of connectors are available with four to seven pins to allow transfer of power for the lighting as well as auxillary functions such as electric trailer brake controls, backup lights, etc. 12 pin trailer plug wiring.
A colour coded trailer plug wiring guide to help you require your plugs and sockets.
Then, for power hungry things like brakes, use a thicker wire size, like 14 gauge or 12 gauge. The above are to australian trailer wiring standards. Electrical schematic & wiring diagrams. Diagrams are looking from the outside of the plug or socket.