7 Pin Trailer Plug -The Best Trailer Connectors

The 7 Pin Trailer Plug is the most preferred option among trailer owners, due to its versatility and reliability. The 7 Pin Trailer Plug is designed to provide a safe and secure connection between a trailer and vehicle. It helps in providing power supply for trailer brakes, turn signals and running lights. With so many types of 7 Pin Trailer Plugs available on the market today, it can be difficult to choose the best one for your needs. That’s why we have put together a list of the 10 best 7 Pin Trailer Plugs available so you can find the perfect one for your needs. This article will explain what a 7 Pin Trailer Plug is, why you need the best one, list our top 10 picks, how to choose the best one for your needs and also how to use it properly. So keep reading to learn more about this essential tool!

What Is 7 Pin Trailer Plug?

7 Pin Trailer Plug is a type of electrical connector commonly used to provide connectivity between two vehicles or between a trailer and a vehicle. This plug typically consists of seven metal pins, which are arranged in an arched shape so that one end of the plug fits securely into the receiving socket. The pins on the plug correspond to different functions, such as brake lights, turn signals, power supply for the brakes, reverse light, and ground connection.

Having a 7 Pin Trailer Plug installed in your vehicle allows you to safely tow trailers without having to worry about electrical connections. It ensures that your trailer has all necessary electrical components connected properly and that any potential problems related to wiring are avoided. Most modern cars come with this type of connector pre-installed, but if yours does not have one then it is relatively straightforward to install one yourself or purchase an aftermarket solution.

When purchasing a 7 Pin Trailer Plug you must consider its size and design depending on the application it is intended for. There are several types of plugs available on the market today ranging from flat four pin designs to round seven pin designs. Additionally, there are varying levels of quality when it comes to these connectors so it is important to ensure that you purchase one that meets your needs and requirements while also providing reliable performance over time.

Types Of 7 Pin Trailer Plug

The 7 pin trailer plug is a device used to connect a vehicle’s electrical system to a trailer. It is one of the most common types of connectors used in towing applications, as it provides a reliable connection point for the trailer’s lights, brakes, and other electrical components.

There are two main types of 7 pin trailer plugs: round and flat. Round 7 pin plugs have circular pins that fit into corresponding sockets on the back of the vehicle, while flat versions have rectangular slots that are inserted into matching slots on the rear of the car. The type of plug you need will depend on your specific vehicle model and make.

For round plugs, there are two variations available: Type A and Type B. Type A plugs feature seven pins arranged in a circle, while Type B plugs feature eight pins arranged in a circular pattern. Both types feature an additional ground wire for added safety. The ground wire connects the plug directly to the frame or body of the vehicle, thereby providing extra protection against short circuits or power surges.

For flat plugs, there are three variations available: Type C, D and E. Type C has five pins arranged in a straight line, while Types D and E feature six and seven pins respectively arranged in two rows with an additional ground wire at one end for extra protection. All three versions offer excellent contact areas which ensure good connectivity between your vehicle’s wiring system and your trailer’s lighting system.

No matter what kind of 7 pin trailer plug you choose, it is important to make sure that it is compatible with your vehicle’s electrical system before using it. Additionally, be sure to check all connections regularly to ensure they remain secure during transport and avoid any problems when driving with your trailer attached to your car or truck.

Why Need The Best 7 Pin Trailer Plug?

A 7 pin trailer plug is a critical component of any towing setup. It is the link between the tow vehicle and the trailer, allowing electrical signals to travel between each side. Having a quality 7 pin trailer plug is essential for safe and efficient towing, as it must be able to handle the demands of the load being towed. The best 7 pin trailer plugs are designed with durability in mind and are made from high-quality materials that won’t corrode or degrade over time. They also feature unique designs that allow for easy installation and reliable connection every time.

The best 7 pin trailer plugs come with features like waterproof seals or rubber boots that help keep out dirt and moisture, protecting your wiring from damage or short-circuiting. Many of these plugs include built-in LED lights that indicate when the connection is secure, making them especially useful for novice drivers who may not be familiar with how to properly connect their trailer. They also feature innovative designs such as angled pins which make it easier to access hard-to-reach areas without sacrificing security.

In addition to providing reliable connections, using the best 7 pin trailer plugs can improve fuel efficiency by reducing drag on your tow vehicle’s electrical system. Using a high-quality plug will ensure maximum power transfer from your tow vehicle to your trailer, helping you get more out of your fuel economy. With so many benefits, it’s clear why having a quality 7 pin trailer plug is important for an efficient and safe towing experience.

List Of The 5 Best 7 Pin Trailer Plug

When it comes to selecting a 7 pin trailer plug, the choices available can be overwhelming. To make this process easier, we’ve compiled a list of the 10 best 7 pin trailer plugs currently on the market. These plugs are all reliable, easy to install and come at a range of prices to suit your budget.

  1. At the top of our list is the CURT Manufacturing 58140 7-Way RV Blade Trailer Plug Connector. This heavy-duty connector is designed for use with standard RV blades and features corrosion-resistant terminals and a durable rubber seal for reliable performance at all times. It also has an easy-to-grip handle for convenience during installation.
  2. The next option on our list is the Tow Ready 118513 7-Way Round Pin Trailer Plug Connector. This connector has been designed specifically to fit round pins, making it suitable for most American and Canadian trailers. The plug itself is constructed from high quality materials and features a weather resistant design that ensures it remains working in any environment.
  3. If you’re after something more affordable, the Hopkins Towing Solutions 47225 Endurance Multi-Tow 7 Blade and 4 Flat Combo comes highly recommended. This innovative connector allows you to easily connect both 4 flat wiring systems as well as 7 blade wiring systems without having to purchase separate connectors for each type of trailer connection. Additionally, its patented design features two LED lights – one white light that indicates when your connection is complete, and one red light that indicates when there’s power in the line – providing both convenience and safety when connecting or disconnecting your trailer from your vehicle.
  4. For those looking for an even more cost effective alternative, we recommend checking out the EPAuto GP171 Trailer Plug Socket Connector Kit. This versatile kit includes seven sockets: one seven way blade socket, four six way blade sockets and two four way flat sockets – allowing you to easily connect different types of trailers with ease. Additionally, each socket is constructed from high quality materials and designed to ensure durability in any environment while remaining affordable at all times.
  5. Finally, if you’re looking for something that provides maximum value for money then we suggest investing in the Optronics ST Series Standard 6 Way Round Socket Kit with Mounting Bracket & Cover Plate Set. This high quality set includes everything you need to set up a 6 way round socket system – including a mountable cover plate and mounting bracket set – so you can easily attach this socket directly onto your vehicle or trailer with ease! Additionally, it features heavy duty construction that ensures superior performance in all conditions while remaining competitively priced at all times

How To Choose The Best 7 Pin Trailer Plug

When looking for the best 7 pin trailer plug, there are a few factors to consider. First, it is important to determine what type of 7 pin trailer plug you need. The most common types are the 7-way round and 4-way flat. The 7-way round plug has seven pins arranged in a circular pattern with an additional center pole for grounding. This type of plug is typically used on larger vehicles such as RVs or semi-trailers. The 4-way flat has four pins arranged in a straight line and is commonly used on smaller trailers and campers.

The next factor to consider when choosing the best 7 pin trailer plug is compatibility. Make sure the connector fits your vehicle’s socket size, shape, and application requirements. It should be designed to meet the standards of your vehicle’s electrical system so it can function correctly and safely. Additionally, check that the connector meets safety standards such as being watertight and corrosion resistant so it can withstand harsh weather conditions while in use.

It is also important to look at various features when selecting the best 7 pin trailer plug for your needs. Look for connectors that offer protection against dust and moisture as well as one that comes with LED lights for illumination purposes in darker areas or at night time. Furthermore, some plugs have built-in surge protection which helps protect your vehicle’s electrical system from overloads or spikes in power from external sources like generators or shore power lines.

Finally, consider quality when buying a new 7 pin trailer plug. Look for ones made from high quality materials such as brass or copper alloy for strength and durability, as well as being rustproofed for longevity even in harsh environments like saltwater air or extreme temperatures fluctuations. Choose models that also come with a warranty so you can replace them if needed without having to pay extra money out of pocket.

How To Use 7 Pin Trailer Plug

Using a 7 pin trailer plug is not difficult, but it’s important to make sure you connect the right wires to the right pins. This is especially true if you’re transporting goods with your trailer, as you don’t want any of the items to be damaged due to improperly connected wires. To use a 7 pin trailer plug, follow these steps:

  1. First, identify which wire corresponds to each pin on the plug by referring to its corresponding label or diagram. Make sure none of the wires are frayed or exposed.
  2. Next, open up the rear door of your vehicle and locate the connector for your 7 pin trailer plug. It should have an identical set of seven labeled pins so that you can easily match up each wire to its corresponding pin.
  3. Connect each wire one-by-one into its designated slot on the connector using pliers or a wrench depending on what type of wiring is used in your vehicle. Make sure each connection is secure and tight before moving onto the next one so that there aren’t any loose connections which could cause electrical malfunctions down the line.
  4. Once all seven wires are connected properly, test out your connections by turning on your vehicle and activating whatever lights you may have hooked up via the 7 pin trailer plug (e.g., brake lights). If everything works as expected then you’re good to go!

It’s important to remember that different vehicles may use different types of connectors for their 7 pin trailer plugs, so be sure to check your owner’s manual first before attempting any wiring work yourself – it might be better to consult a professional if need be!


In conclusion, 7 pin trailer plug is an essential tool for connecting the trailer to the vehicle. It is important to choose the best one that fits your needs, such as considering its type, features, and usage. With the help of this article, you can easily pick the top 10 best 7 pin trailer plugs that are available on the market today. So make sure to take your time and find the right one for you. With a quality 7 pin trailer plug, you can ensure a safe and secure connection between your vehicle and your trailer.

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