Trailer Turn Signal Wire Colors. They are designed to splice directly into the taillight Vehicles today use different wiring systems to carry out electrical functions, specifically for taillights, stop or brake lights and turn signals. I found an illustration of the pin out of the plug that I bought.
It is kind of complicated, but brakes applied with no turn signal The brake lights wiring also goes through the signal light switch. The approach for you depends on your electrical needs. The two wires left are green and one with a stripe.
Our trailer wiring diagram is a colour coded guide designed to help you wire your trailer plug or socket.
No power to just one turn signal.
I assume that black is ground. The three wires are black, white with green stripe, and white with black stripe. Everything seems to work without a problem.