Prepare for vehicle wiring installation if your vehicle already has a 4 way connector then great. If your vehicle does not have a 4 way connector its usually pretty simple to add one.
I Have A 2003 Dodge Ram 1500 Pickup V8 4 7 And I Am Trying To
4 way connector wiring diagram. This is the wiring for a dimmer in a 4 way circuit. This is the most common scenario. By law trailer lighting must be connected into the tow vehicles wiring system to provide trailer running lights turn signals and brake lights. 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. Buy a 4 pin wiring kit with wires at least twenty feet in length so its long enough for your trailer. 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.
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. This 4 way switch diagram 2 shows the power source starting at the fixture. 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. Trailer electrical connectors come in a variety of shapes and sizes. Three wire cable runs between all the switches and 2 wire cable runs to the light. The white wire of the cable going to the switch is attached to the black line in the fixture box using a wirenut.
Check with a test light or vom. 6 way systems round plug. One way to check for faulty wires is to use a circuit tester. The basic purpose remains the same whether your truck and trailer is using a 4 way 5 way 6 way or 7 way connector. Just keep in mind that wiring is a custom component. If it is not no amount of wiring will get the lights to work.
Custom wiring is the ideal solution for installing trailer light wiring on your vehicle. The first thing you need to do is make sure that your connector works properly. To make this circuit work a 3 way dimmer can be used in place of one or both of the standard 3 way switches. 4 way dimmer switch wiring diagram. The white wire becomes the energized. Simply plug the trailer end connector into the vehicle end connector and youre ready to roll.
4 way switch wiring diagrams this 4 way switch diagram 1 shows the power source starting at the left 3 way switch. The most common wire thickness for a trailer is 16 gauge but i bought thicker wiring for added durability. Make sure that all cables are electrically conductive. Installing your 4 pin trailer wiring system is easy if you follow the correct procedure. The black sometimes red 12v and blue electric brakes wire may need to be reversed to suit the trailer.