Make sure that all cables are electrically conductive. Buy a 4 pin wiring kit with wires at least twenty feet in length so its long enough for your trailer.
4 Way Flat To 6 Way Round Pin Connector Adapter Adapters
4 way connector wiring diagram. If it is not no amount of wiring will get the lights to work. 4 way dimmer switch wiring diagram. The white wire becomes the energized. 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. Prepare for vehicle wiring installation if your vehicle already has a 4 way connector then great.
Trailer electrical connectors come in a variety of shapes and sizes. The black sometimes red 12v and blue electric brakes wire may need to be reversed to suit the trailer. This is the wiring for a dimmer in a 4 way circuit. Depending on the size of your trailer and the number of lights you might want to check on the internet for the recommended gauge for your specific trailer. Three wire cable runs between all the switches and 2 wire cable runs to the light. This 4 way switch diagram 2 shows the power source starting at the fixture.
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. Check with a test light or vom. This is the most common scenario. To make this circuit work a 3 way dimmer can be used in place of one or both of the standard 3 way switches. The most common wire thickness for a trailer is 16 gauge but i bought thicker wiring for added durability. 6 way systems round plug.
4 way switch wiring diagrams this 4 way switch diagram 1 shows the power source starting at the left 3 way switch. Just keep in mind that wiring is a custom component. Simply plug the trailer end connector into the vehicle end connector and youre ready to roll. The first thing you need to do is make sure that your connector works properly. By law trailer lighting must be connected into the tow vehicles wiring system to provide trailer running lights turn signals and brake lights. One way to check for faulty wires is to use a circuit tester.
Installing your 4 pin trailer wiring system is easy if you follow the correct procedure. The white wire of the cable going to the switch is attached to the black line in the fixture box using a wirenut. Round 1 14 diameter metal connector allows 1 or 2 additional wiring and lighting functions such as back up lights auxiliary 12v power or electric brakes. If your vehicle does not have a 4 way connector its usually pretty simple to add one. Custom wiring is the ideal solution for installing trailer light wiring on your vehicle.
Gallery of 4 Way Connector Wiring Diagram
