Trailer Wiring Diagram Flat Plug. The above are to Australian trailer wiring standards. How much voltage should a trailer brake controller put out?
I put this here because I had a hard time finding and figuring this out for my trailers. Trailers that use this are usually fairly light weight and don't have. Most boat trailers and small utility trailers that don't have their own brakes use this kind of harness plug, often referred to as a "flat-four." "Trailer Wiring for the Do-It-Yourselfer." trailerwiring.com.
Not sure which wires attach to what on your trailer connectors?
Trailer Wiring Diagrams showing you the typical wiring for most single axle trailer and tandem axle trailers.
Diagrams are looking from the outside of the plug or socket. How much voltage should a trailer brake controller put out? Trailer Wiring Diagram - Wiring Diagrams For Trailers Trailer electrical connectors come in a variety of shapes and sizes.