4 Prong Trailer Lights Wiring Diagram. Then use a butt connector and heat gun to connect the wires. Then use a butt connector and heat gun to connect the wires.
Here is the diagram for 7 pin connector. Here is the diagram for 7 pin connector. White pin to your ground.
Trailer wire color codes colors coordinate with trailer wiring diagram.
Connect brown wire to vehicle tail light wire yellow wire to vehicle left stop and turn wire and green wire to vehicle right stop and turn wire. Left brake light left turn signal. White pin to your ground. White pin for the floor.