4-Way Flat Trailer Wiring Review

The most common trailer wiring you can find is the 4-Way Flat connector. This gives you all the needed lighting functions to travel legally with your trailer. In this video we go over the connector and where to find all your lighting functions. This will help your understand how to install and diagnose any issues that may come up with your trailer wiring.

Wiring Diagram:
White wire= Ground
Brown Wire= Running lights
Yellow Wire= Left Brake and Turn Signal
Green Wire= Right Brake and Turn Signal

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[SHAWNPAULCARLSON]

It sounds to me like if I ever need advice about trailers regarding anything, there would be a U-haul professional that's qualified to make ascertations. They probably have all the CVSE specs and know regs inside out.