The red and blue wire can be used for brake control or auxiliary. 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.
807 7 Way Trailer Plug Cord With Wiring Junction Box Inline
Wiring a trailer plug. 6 way system rectangle plug. Does your vehicle have a 4 flat trailer wiring harness but you need to tow a trailer with a 7 way harness. 4 way trailer connectors are typically used on small trailers such as boat snowmobile utility and other trailers that that do not use brakes. This vehicle to trailer wiring harness creates a standard trailer wiring connection by plugging into vehicle harness and tail light assembly and then routing the 4 way harness to the rear end of a vehicle. As the name implies they use four wires to carry out the vital lighting functions. A 7 way plug connects your trailer and tow vehicle and provides the required lights turn signals brake power battery hot lead reverse lights and ground.
Most of us arent electricians but that doesnt mean wiring a trailer or replacing corroded wiring is beyond us. If you own an older vehicle chances are it will have neither trailer package factory installed nor t connectors available for it. Use on a small motorcycle trailer snowmobile trailer or utility trailer. Well walk you through the wiring process its easier than you think. Heres the wiring diagrams showing the pin out for the plug and socket for the most common circle and rectangle trailer connections in use in australia. They also provide a wire for a ground connection.
In this video we go over how easy and fast it is to convert a 4 flat harness to a 7 way. Complete with a color coded trailer wiring diagram for each plug type this guide walks through various trailer wiring installation solution including custom wiring splice in wiring and replacement wiring. The four wires control the turn signals brake lights and taillights or running lights. 34 inch by 1 inch 6 way rectangle connectors right turn signal green left turn signal yellow taillight brown ground white. Trailer wiring diagrams trailer wiring connectors. If your vehicle is not equipped with a working trailer wiring harness there are a number of different solutions to provide the perfect fit for your specific vehicle.
I put this here because i had a hard time finding and figuring this out for my trailers. Australian trailer plug and socket pinout wiring 7 pin flat and round. 4 way trailer connectors are.