White Wire: 10 Gauge Wire - Operates Ground Function and Would Typically attach to the White Wire on the Trailer.
Black Wire: 10 Gauge Wire - Operates 12 Volt Hot and Would Typically attach to the Black Wire on the Trailer.
Blue Wire - 12 Gauge - Operates the Braking Power Function and Would Typically attach to the Blue Wire on the trailer.
Red Wire - 14 Gauge - Operates the Left Turn and Brake Function and Would Typically attach to the Yellow Wire on the trailer.
Brown Wire - 14 Gauge - Operates the Right Turn and Brake Function and Would Typically attach to the Green Wire on the Trailer.
Green Wire - 14 Gauge - Operates the Tail Light Function and would typically attached to the Brown Wire on the Trailer
Yellow Wire - 14 Gauge - Operates the Auxilary Function
This 7 RV Wired Pigtail does not include butt connectors for wiring to the trailer. This Item is very common on trailers running Electric Brakes, but can also be used on Boat Trailers with Hydraulic Drum Brakes, Disc Brakes, or Electric Over Hydraulic Brakes.