Wiring Diagram For Trailer Lights 4 Pin. 3 4 inch by 1 inch 6 way rectangle connectors right turn signal green left turn signal yellow taillight brown ground white. 4 pin connectors are the standard used for most trailers.
This guide will be talking 4 wire trailer hitch wiring diagram. Above we have describes the main types of trailer wiring diagrams. The circuits are for left and right brake lights and running lights.
Installing the 4 pin trailer wires you must check the trailer manual to see if the wiring is correct but normally the white wire is called the ground wire while the brown wire is used for tail lights.
By law trailer lighting must be connected into the tow vehicle s wiring system to provide trailer running lights turn signals and brake lights. Above we have describes the main types of trailer wiring diagrams. Three wires are for the trailer while the last wire is the ground wire. This guide will be talking 4 wire trailer hitch wiring diagram.