What Is A 7 Wire Trailer Plug? A 7 wire trailer plug, also known as a 7-way RV blade connector, is commonly used on larger trailers and RVs. It provides connections for turn signals, brake lights, electric trailer brakes, a battery, and the ground. Understanding the wiring diagram for a 7 wire trailer plug is essential for safe and effective.. Learn how to wire a 7 way trailer plug with a detailed diagram. Get step-by-step instructions for a proper trailer wiring installation.
![[DIAGRAM] 7 Way Trailer Plug Wiring Diagram Contrail Triler MYDIAGRAM](https://i.ytimg.com/vi/2ohB7PyjMtE/maxresdefault.jpg "[DIAGRAM] 7 Way Trailer Plug Wiring Diagram Contrail Triler MYDIAGRAM")
This is the most common (Standard) wiring scheme for RV Plugs and the one used by major auto manufacturers today. * Always test wires for function and wire accordingly.. The 7 pin N type plug and socket is still the most common connector for towing. This supplies power to the road lighting of your trailer or caravan. This has now been replaced by 13 pin Euro plugs on all new caravans. Below is a diagram for the original plug and socket showing the functions of each pin.