Ideal Trailer Pin Wiring Diagram

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 12v power supply for a winch or interior trailer lights.

Trailer pin wiring diagram. All diagrams are as viewed from the cable side. Australian trailer plug and socket wiring diagrams. In electric by magnus sellén 3 october 2020 leave a comment.

Many people often have difficulties with the wiring of their trailer and even after several attempts they still don t seem to get it right. Four pin trailer wiring install wiring diagram info. It accomplishes the same thing for 5 wires but with a connector that s compatible with your truck.

Use the 7 pin connector anyway see below and just leave out the last 2 wires. 12 pin flat this is an extension of the 7 pin flat. Trailer wiring diagrams trailer wiring connectors.

As stated earlier the lines in a 7 pin trailer wiring diagram with brakes signifies wires. Small 7 pin round qld identifying. All diagrams are as viewed from the cable side.

Plug size is similar to an australian 10c coin. Colors can also be utilised to differentiate cables. Click on the image below to enlarge it.

The second diagram shows two brake lights two indicators two side lights and a fog light. If your truck has a built in 7 pin socket but you only need 5 of the pins. Choose a connector that has the required number of pins for the functions required for your trailer.