Standard 7 Pin Trailer Wiring Diagram. There are pins for electric trailer brakes, auxiliary power and reverse lights. Does one of your turn signals not work and you're not sure Various styles of connectors are available with four to seven pins to allow transfer of power for the lighting as well as auxiliary functions such as electric.
I drew this crude diagram to help explain. I hope this helps some folks, because it's pretty tough finding this online. I put this here because I had a hard time finding and figuring this out for my trailers.
A wiring diagram is a simplified standard pictorial depiction of an electric circuit.
Diagrams are looking from the outside of the plug or socket.
When I wire up a trailer I always have a wiring diagram infront of me. Does one of your turn signals not work and you're not sure Various styles of connectors are available with four to seven pins to allow transfer of power for the lighting as well as auxiliary functions such as electric. The not-so-good news is that the colors of the wires do not correspond with the standard wiring diagram I found on the internet.