Most of us arent electricians but that doesnt mean wiring a trailer or replacing corroded wiring is beyond us. 7 way connectors allow for all functions provided by 6 way connectors three basic lighting functions electric brakes and additional power supply with the seventh wire for backup lights.

7 Way Plug Information R And P Carriages Cargo Utility
Standard 7 way plug wiring. 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. Basically it is another 12v circuit typically used for a reverse light reverse lockout for trailer brakes. Wiring diagram for ifor williams trailer lights best ifor. A custom wiring harness or t connector is a vehicle specific harness that plugs in without any spicing required and provides a standard connector output such as a 4 way flat. Trailer electrical connectors come in a variety of shapes and sizes. 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.
I have no power to any light pins on 7 wire plug wtester. Well walk you through the wiring process its easier than you think. I have a 2020 3500 chev pk up with factory brake control wiring. The basic purpose remains the same whether your truck and trailer is using a 4 way 5 way 6 way or 7 way connector. Car trailer wiring diagram uk new best ford 7 way trailer plug. That way the trailer brakes are ready if the tow vehicle has a 7 pin connector.
Custom wiring is the ideal solution for installing trailer light wiring on your vehicle. Easy way to remember wiring of a 7 way rv plug rv standard. However i have 3 trailers 2 work fine 1 dont. I just tell the borrower the load capacity is 3000 even though true capacity is 5000 another way is to have an adapter that goes from the trailer 5 pin to a standard 7 pin with 2 wires left blank. Stop into our harrisburg pa dealership today or call to learn more. Dont skimp on wire size for your brakes.
7 way trailer plug wiring diagram ford collections of wiring diagram rv 7 way plug refrence 7 wire trailer wiring diagram. 7 way trailer plug wiring diagram gmc wiring diagram collection. Were happy to help guide our customers to the right trailer or snow plow for them. Is a great article on etrailer that does a great job presenting the different specs between the 6 pin and the different 7 way. And we offer so much more than that. By law trailer lighting must be connected into the tow vehicles wiring system to provide trailer running lights turn signals and brake lights.