Also it must connect with things if included that use the aux power and back up lights too. Most of us arent electricians but that doesnt mean wiring a trailer or replacing corroded wiring is beyond us.
Trailer Wiring Diagram And Installation Help Towing 101
Trailer light wiring 7 way diagram. Wiring in bed trailer wiring 12 volt power to a switched ignition source on a 2004 chevy silverado. 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. The basic purpose remains the same whether your truck and trailer is using a 4 way 5 way 6 way or 7 way connector. 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. 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. Trailer wiring diagrams 4 way systems.
Lets see what types of connectors the trailer light wiring industry uses today. Side marker lights are powered by the brown wire. Trailer electrical connectors come in a variety of shapes and sizes. Well walk you through the wiring process its easier than you think. White remains as the ground. 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.
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. By law trailer lighting must be connected into the tow vehicles wiring system to provide trailer running lights turn signals and brake lights. 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. Wiring a 7 way trailer connector if existing wire colors dont match. The trailer wiring diagram shows this wire going to all the lights and brakes. Right turn signal stop light green left turn signal stop light yellow taillight license side marker brown and a ground white.
As an example you will find another blue wire in a 5 way system that powers auxiliaries like the electric brakes. Custom wiring is the ideal solution for installing trailer light wiring on your vehicle. How to install 7 way metal trailer connector and wiring harness for a 1999 jeep wrangler. 7 way wiring diagram for colors yellow white red green blue brown and black. This is the general configuration upon which 5 way 6 way and 7 way wiring systems build upon. Basically it is another 12v circuit typically used for a reverse light reverse lockout for trailer brakes.
If your vehicle has a 6 or 7 way connector and you have a. 4 way flat molded connectors allow basic hookup for three lighting functions.
Gallery of Trailer Light Wiring 7 Way Diagram
