Most trailers operate on a two wire system where the brake lights and turn signals operate on the same wire. A recreational vehicle or RV uses a power converter to produce 12 volt direct current or DC from 120 volt alternating current or AC. In the Trailer Wiring Diagram and Connector Application Chart below use the first 5 pins and ignore the rest.
7 Pin To 4 Pin Trailer Wiring Diagram 7 pin to 4 pin trailer adapter wiring diagram 7 pin to 4 pin trailer wiring diagram People comprehend that trailer is a car comprised of quite complicated mechanics.
This converter combines the brake and turn signal functions of your automobile so that they run on one wire to properly activate your trailers tail lights. The converter takes both input signals and generates one output signal for the trailer. T-connector plugs directly into existing wiring. They are compatible with the wiring system of the trailer.
