The four wires control the turn signals brake lights and taillights or running lights. If youre installing a 7 wire plug for an rv or a commercial vehicle the color of the wires included will be slightly different than that of the traditional 7 wire plug.
7 Way Rv Trailer Plug Wiring Diagram Wiring Diagram Source
Wiring a 7 wire trailer plug. A 7 way plug connects your trailer and tow vehicle and provides the required lights turn signals brake power battery hot lead reverse lights and ground. However i have 3 trailers 2 work fine 1 dont. They also provide a wire for a ground connection. If you dont follow this your trailer or tow vehicle cant be used with any other implement. Easy way to remember wiring of a 7 way rv plug rv standard. 4 way trailer connectors are typically used on small trailers such as boat snowmobile utility and other trailers that that do not use brakes.
There is a standard method of wiring a 7 pin trailer connector. If you have an rv style plug the wiring colors are as follows. Constant 12 volt black. When you are troubleshooting a faulty 7 way rv plug. Pwr 7 way trailer plug connector cord 7 pin. I have no power to any light pins on 7 wire plug wtester.
Reverse lights yellow. Extra long 10 ft heavy duty weatherproof corrosion resistant double prongs rv 7 pin wire inline light trailer wiring harness cable 46 out of 5 stars 57. I have a 2020 3500 chev pk up with factory brake control wiring. As the name implies they use four wires to carry out the vital lighting functions. Rv and commercial 7 wire plugs. Tail and running lights green.
4 way trailer connectors are. Well walk you through the wiring process its easier than you think. Different specs between the 6 pin and the different 7 way. 7 way plug wiring diagram standard wiring post purpose wire color tm park light green battery feed black rt right turnbrake light brown lt left turnbrake light red s trailer electric brakes blue gd ground white a accessory yellow this is the most common standard wiring scheme for rv plugs and the one used by major auto manufacturers today. Most of us arent electricians but that doesnt mean wiring a trailer or replacing corroded wiring is beyond us.
Gallery of Wiring A 7 Wire Trailer Plug
