7 Way Trailer Plug Wiring Diagram Basic. Red 12 volt auxiliary power. T ones come pre wired with a 4 way flat trailer connection and can be expanded to 5 way 6 way or 7 way trailer connections through the use of a wiring adapter.
Purple for copy lights. Standard connection this trailer wiring adapters 4 way flat output connects tail lights brake lights and turn signals 7 way connects tail brake reverse turn signals and auxiliary power easy and cost effective provide all the needed electrical and mounting hardware connector kit to provide both the 4 and 7 wire plug in for your trailer. Wiring for sabs south african bureau of standards 7 pin trailer plug.
Heres the diagram for 7 pin connector.
Click on the image below to enlarge it. How to wire a 7 pin 12 n type trailercaravan plug. 6 way system rectangle plug. Use on a small motorcycle trailer snowmobile trailer.