Generic Trailer Wiring Diagram. Below is the generic schematic of how the wiring goes. All diagrams are as viewed from the cable side.
All diagrams are as viewed from the cable side. White wires for any electricity that occurs on the lighting. Here are two wiring diagrams for the 7 pin n type trailer electrical plug.
Here is the diagram for 7 pin connector.
Here is the diagram for 7 pin connector. White with red stripe blue with white stripe green with black stripe and blue. Trailer wiring connectors 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. Socket and plug are keyed.