4 Prong 5 Wire Trailer Wiring Diagram. The top countries of suppliers are India, China, and Hong Kong S. Don't worry about the extra wires, the trailer with a four wire plug doesn't use them.
I have one on my trailblazer because it is five wire and my boat trailer is four wire. This is a fairly simple I've provide three different wiring diagrams at the end of the video for a better understanding. Our trailer wiring diagram is a colour coded guide designed to help you wire your trailer plug or socket.
Newer electrical codes use four prong plugs.
The original wiring on my boat trailer was damaged and installed incorrectly by the previous owner.
A split phase system is aptly named, because the transformers secondary is center tapped (or split). I now have all four power windows installed and wired. To make this tutorial easier to understand, I will be.