However, they’re only good if your trailer’s wiring is compatible. These plugs are relatively inexpensive and can correct mismatches in wiring. If your vehicle and trailer’s wiring are not a match, you might consider getting an adapter plug. This is because the Society of Automotive Engineers (SAE) standard wiring differs from that of the RV industry.
As we mentioned earlier, there is a flat 7-pin connector, but also, there are two different wiring standards for the seven-pin round trailer plug. Related Article: Brake Light Switch Diagram Are all 7-pin trailer plugs the same? A correctly fitted plug will allow your trailer to respond to commands and keep you and others safe on the road. Whatever style you choose, it’s important to ensure the wiring is correct. The flat design of these plugs works in the same way, although the wiring is slightly different. While round 7-pin plugs are the most common, there are also flat versions. This is why the 7-pin style is typically used for heavier trailers and trucks. On most RVs and trucks, you will find a 7-pin connector.Ī 7-pin trailer plug differs from a standard six-pin connector in that the plug has an additional connector for the electronic brake controller.
In most of Europe, you will commonly find a 13-pin trailer plug and socket, but today we are discussing the US 7-way system. They are four-pin, six-pin, or seven-pin. There are three main types of trailer plugs to be found on vehicles today. Failure to do this will cause a short circuit and could damage the vehicle’s wiring.ħ-pin Small Round Trailer Plug Wiring Diagramħ-pin Small Round Trailer Socket Wiring Diagramħ-pin Large Round Trailer Plug Wiring Diagramħ-pin Large Round Trailer Socket Wiring Diagram What is a 7-pin trailer plug? It is very important to remember that when wiring a 7-pin plug or socket, the wiring must be mirrored on each component. Each image shows the location and color of each cable along with its function. If you want to discover the type of seven-pin trailer plug you have, take a look at our diagrams below. The cable harness must be housed in a crimped sleeve to protect it from weather and damage. For reverse lights, turn signals, brake lights, and running lights, you must use a 16-gauge cable.įor battery-positive leads, ground wires, and break controller cables, you must use a 12-gauge wire. When wiring your 7-pin trailer plug, you must use the correct gauge cables. Use multi-core cables with double insulation for the electrical installation (contact terminals). If the vehicle being towed is heavy, it is essential to use a 7-pin socket as it also includes a brake controller. They ensure the transmission of all signals from the vehicle to the trailer/RV. 7-pin trailer wiring diagram Fordħ-pin electrical sockets are the most common in domestic vehicles. We also offer a beneficial 7-pin trailer wiring diagram Ford. If that is the case for you, stick with us as we guide you through the process. Unfortunately, trailer and truck wiring degrades over time, so your 7-pin connector may need to be replaced or rewired. If you own a truck or an RV and you pull a trailer, chances are you already know what a seven-way trailer plug is. There is a Ford 7-pin trailer wiring diagram below for the trailer and towbar socket to synchronize the signals of both vehicles.
The trailer is connected to the vehicle’s electrical system with a plug and socket. In the United States, road traffic regulations stipulate that all towed vehicles (trailers, caravans, boats, etc.) must be equipped with visible operational taillights.
#Trailer connector drivers#
Many drivers have a trailer for transporting bulky loads.
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