Trailer Plug Wiring Diagram

Various connectors are available from four to seven pins that allow for the transfer of power for the lighting as well as auxiliary functions such as an electric trailer brake controller backup lights or a 12v power supply for a winch or interior trailer lights.

Trailer plug wiring diagram.
Trailer plug wiring.
This universal wiring kit lets you install an electric brake controller sold separately in your vehicle and a 7 way connector for your trailer lights at the same timeplugs into the existing 4 way drive a crew cab extended cab with long bed cargo van or extended length suv extra wire etbcxw sold separately will make installation much easier.
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If you can not figure out your wiring even after reading this guide then contact your local mechanic or trailer shop for help.
The trailer wiring diagrams listed below should help identify any wiring issues you may have with your trailer.
This guide is here to help you.

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.
View diagrams for our 4 way 6 way 7 way plugs.
If you are local to us give us a call if you want to schedule a time to have your trailer fixed.

Trailer plug connector diagrams for electrical towing connectors.