There are seven different electrical wires that connect and sync the 7 pin trailer connector with your vehicle. While each trailer type is similar in terms of their different wiring connections, there are some slight differences as well. If you’re using a flatbed trailer to tow construction materials (think lumber, steel, heavy machinery), a dump trailer (stones, gravel, soil), or car hauler trailers to tow one or multiple vehicles, this is likely what you’re using. Heavy Duty – these are going to be your commercial or agricultural trailers, used for tougher jobs and to carry very heavy loads. RV Standard – if you’re pulling an RV, this is likely going to be what you’re using. If you’re pulling a boat, off-road vehicle, or hauling materials of some sort this will most likely be what you’re using to do so. Traditional SAE – this is going to be the most common trailer you’ll find and include utility trailers, equipment trailers, or cargo trailers. There are three main types of trailers, all with slightly different colored wiring and connectors. Convert the non-standard connector to a 7 pin connector by replacing it, which is the more difficult option.īefore syncing your vehicle with your trailer, it’s important to know which type of trailer you’re using and the functions of each of the different colored wires on the trailer connectors.Use an adapter that can sync the two different types of connectors, which is the easiest option.If you find that you have one of these non-standard connectors on your vehicle or trailer but also a 7 pin connector on the other end, you’ll need to do one of two things: If you have an older trailer or vehicle, you may find that you have one of the following connectors rather than the standard 7 pin connection: To accommodate this, most modern vehicles that feature a trailer hitch also come equipped with a 7 way connector socket near the hitch where the trailer connector plugs in and syncs all the electrical components. If you’ve bought a trailer somewhat recently, there’s a very good chance it features this 7 pin connector plug.
The 7 pin trailer connector is by far the most common trailer connector there is these days, and is universal with pretty much any make and model of vehicle.
#Trailer connector wire colors how to
Descriptions and illustrations of where and how to properly connect all wiring.The 7 pin trailer wiring diagram for each trailer type (standard, RV, heavy duty).The 7 pin wire color coding for each trailer type (standard, RV, heavy duty).This guide will provide you the following: No big deal though, as by the time you finish reading this guide to the 7 pin trailer wiring diagram you should have no issues getting everything connected properly. The most important aspect in achieving this is getting the wiring that connects the trailer to your vehicle right, and this can be a pain in the rear even for those with some electrical knowledge. To maximize safety and avoid a potential traffic ticket from the fuzz, you’ll want to be sure all tail lights, brake lights, turn signals, batteries and other trailer functions are properly connected and in working order. If you plan to hook up a trailer behind your vehicle in order to pull your boat, utility vehicle, four wheeler, horses or anything else of the sort, you’ll need to pay close attention when doing so.
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