Wiring issues can be frustrating and time consuming to fix especially when you are not sure where to begin troubleshooting. Properly functioning trailer lights are a must for safety so check your lights every time you use your trailer.
Etrailer This Old Trailer Troubleshooting The Ground Wire
Troubleshooting 4 wire trailer lights. When your trailer lights arent working your trailer is not working and you are losing valuable time and money. All you have to do is link up the white wire to the negative and the colored wires to the positive. We also have some more images linked to 4 wire trailer wiring diagram for lights please see the photo gallery below click one. 5 pin trailer wiring is very similar to 4 pin wiring but it adds in a blue wire for the reverse or backup lights. The most common wire thickness for a trailer is 16 gauge but i bought thicker wiring for added durability. Please right click on the image and save the image.
Disconnect the trailer from the vehicle and run a test to determine if the trailer lights function properly. Some problems such as a burned out bulb or a bad trailer light ground wire can be a snap to fixothers can be a real pain to diagnose and repair. Buy a 4 pin wiring kit with wires at least twenty feet in length so its long enough for your trailer. You must check the trailer manual to see if the wiring is correct but normally the white wire is called the ground wire while the brown wire is used for tail lights. This is the 4 wire trailer wiring diagram troubleshooting gooddy of a imagine i get coming from the 4 wire trailer wiring diagram for lights collection. Wire the vehicle side wiring harness to a standalone battery.
Troubleshooting trailer lights strategy. Yellow and green are for left and right turns and braking. Installing the 4 pin trailer wires. Start by cutting the white wire and attaching it to the trailer frame. Follow the steps in our photo sequence to keep your trailer lights in tiptop condition. You can save this photograph file to your own personal pc.
Trailer light problems can be traced to any point in either the tow vehicles electrical system or trailer wiring so visual inspection and testing are the first things to do. Not all trailers have reverse lights so consider your own trailer as you wire in a 5 way plug. Because the most common reason for trailer lights not working properly is a bad or missing ground check the trailers and trucks ground connection first. If the trailer lights function. 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. Troubleshooting 4 and 5 way wiring installations.
Gallery of Troubleshooting 4 Wire Trailer Lights
