Lets see what types of connectors the trailer light wiring industry uses today. 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.
Wiring Diagram For Trailer Lights 7 Way H1 Wiring Diagram
Trailer light wiring 7 way diagram. Right turn signal stop light green left turn signal stop light yellow taillight license side marker brown and a ground white. Also it must connect with things if included that use the aux power and back up lights too. Wiring a 7 way trailer connector if existing wire colors dont match. 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. 7 way wiring diagram for colors yellow white red green blue brown and black.
How to install 7 way metal trailer connector and wiring harness for a 1999 jeep wrangler. While the basic configuration is a 4 way flat connector that features one female and three male ends you may come across connectors with up to seven pins for additional functions that require wiring including electrically actuated brakes power source for a winch etc. Most of us arent electricians but that doesnt mean wiring a trailer or replacing corroded wiring is beyond us. Some trailer builders just connect this wire to the frame then connect the ground from all the other lights and accessories to the frame as well. Side marker lights are powered by the brown wire. Well walk you through the wiring process its easier than you think.
The trailer wiring diagram shows this wire going to all the lights and brakes. 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. If your vehicle has a 6 or 7 way connector and you have a. This is the general configuration upon which 5 way 6 way and 7 way wiring systems build upon. The basic purpose remains the same whether your truck and trailer is using a 4 way 5 way 6 way or 7 way connector. 4 way flat molded connectors allow basic hookup for three lighting functions.
White remains as the ground. By law trailer lighting must be connected into the tow vehicles wiring system to provide trailer running lights turn signals and brake lights. 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. Trailer electrical connectors come in a variety of shapes and sizes. Trailer wiring diagrams 4 way systems. Custom wiring is the ideal solution for installing trailer light wiring on your vehicle.
Wiring in bed trailer wiring 12 volt power to a switched ignition source on a 2004 chevy silverado. As an example you will find another blue wire in a 5 way system that powers auxiliaries like the electric brakes.
Gallery of Trailer Light Wiring 7 Way Diagram
