Flat 4 Pin Trailer Wiring. The converter converts the vehicle s complex wiring system to be compatible with your trailer s simple wiring system. 4 8 out of 5 stars 472.
The most common 4 wire connector is the 4 pin flat connector as shown here. Other options new from 3 30. The converter converts the vehicle s complex wiring system to be compatible with your trailer s simple wiring system.
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Other options new from 3 30. Green is for right turn signal and brakes. There is also an additional pin provided for a ground wire. This connection provides the required running lights turn signals and brake lights for the trailer.
