Koon trucking 4080 views. I do have a handy trailer wiring faq article that would be perfect for you.
Trailer Pigtail Receptacle
Tractor trailer pigtail wiring diagram. Diy step by step light replacement made easy duration. Complete with a color coded trailer wiring diagram for each plug type this guide walks through various trailer wiring installation solution including custom wiring splice in wiring and replacement wiring. They also provide a wire for a ground connection. Below is the generic schematic of how the wiring goes. To connect the electric system of your trailer to the vehicle you will be using special connector. Use the 7 pin connector anyway see below and just leave out the last 2 wires.
Above we have describes the main types of trailer wiring diagrams. I have also included a picture that shows the typical wiring diagram of a 7 way round pin trailer side connector. As the name implies they use four wires to carry out the vital lighting functions. In the trailer wiring diagram and connector application chart below use the first 5 pins and ignore the rest. White ground return 8 gauge black clearance side marker identification 12 gauge yellow left turn and hazard signal 12 gauge. Wiring diagram for a 1997 peterbilt semi tractor with 7 pin round connector.
4 pin trailer wiring diagram. 7 pole round pin trailer wiring connector item pk11700 are listed below. Tractor trailer pigtail wiring diagram 7 way tractor trailer plug wiring diagram 7 way truck trailer plug wiring diagram chevy truck trailer plug wiring diagram people today understand that trailer is a vehicle comprised of very complicated mechanics. Easy semi trailer light repair. Trailer pigtail wiring diagram trailer harness wiring diagram trailer pigtail wiring diagram trailer plug wiring diagram folks comprehend that trailer is a car comprised of rather complicated mechanics. 4 way trailer connectors are typically used on small trailers such as boat snowmobile utility and other trailers that that do not use brakes.
The four wires control the turn signals brake lights and taillights or running lights. This vehicle is designed not only to travel 1 place to another but also to take heavy loads. Depending on the manufacturer you will need to add the item to your cart and perhaps begin the checkout process. If your truck has a built in 7 pin socket but you only need 5 of the pins. To see the price. I have included a link to it.
Tsc carries trailer wiring electrical. 4 way trailer connectors are. If your vehicle is not equipped with a working trailer wiring harness there are a number of different solutions to provide the perfect fit for your specific vehicle.