Truck tractor trailer light wiring. Truck trailer light wiring. Many modern tow capable trucks and suvs especially those by the big three come equipped with trailer packages from the factory as part of the uscar program. I have included a link to it. Trailer connector cable replacement plugs 4 trailer cords 4.
As the name implies they use four wires to carry out the vital lighting functions. Options packages now that you know the types of connectors you have to determine what you have on your vehicle to make the connection to a trailer. Locate the vehicles tail light wiring harness by removing the tail light assembly on each side with a phillips screwdriver or socket set. Trailer parts superstore sells truck and semi tractor trailer electrical harness systems and bulk spools of wire.
They also provide a wire for a ground connection. This video contains the assembly and wiring of g t power rc tractor truck lighting and sound mfu unit for tamiyahercules hobby trucks. Shop for main modules jumper harnesses mid turn modules abs modules rear t modules. Harnesses wiring wiring accessories plugs sockets strings.
I do have a handy trailer wiring faq article that would be perfect for you. Installing a hitch is fairly simple and even if you have an accessory hitch for bike racks etc the electrical harness is a big up sell by some installers. Trailer connector cable replacement plugs. 4 way trailer connectors are.
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. Trailer light wiring basics it will help to have an understanding of trailer light systems and we recommend reviewing trailer wiring diagrams before starting this project. For trucks remove two bolts on the side of the truck bed and pull out the tail light assembly.
I have also included a picture that shows the typical wiring diagram of a 7 way round pin trailer side connector. For cars the assembly is likely located inside the trunk. Though trailer lighting systems are available in an array of configurations the most popular is the 4 way system.