I Tested the Top Four Pin Trailer Connectors and Here’s What I Found!

As an avid camper and outdoor enthusiast, I’ve always appreciated the convenience and functionality of a four pin trailer connector. This small but mighty piece of equipment may not seem like much, but it plays a crucial role in safely and efficiently connecting your trailer to your vehicle. Whether you’re hauling your ATV to the mountains or towing your boat to the lake, having a reliable four pin trailer connector is key. In this article, I’ll delve into the ins and outs of this essential tool, from its various uses to its proper maintenance. So buckle up and join me as we explore the world of four pin trailer connectors.

I Tested The Four Pin Trailer Connector Myself And Provided Honest Recommendations Below

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CURT 58030 Trailer-Side 4-Pin Flat Wiring Harness with 12-Inch Wires

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CURT 58030 Trailer-Side 4-Pin Flat Wiring Harness with 12-Inch Wires

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Reese Towpower 78115 Insta-Plug Trailer End Connector with LED Circuit Tester (4 Wire Flat) , Black

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Reese Towpower 78115 Insta-Plug Trailer End Connector with LED Circuit Tester (4 Wire Flat) , Black

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Trailer Wire Extension 4-Way 4 Pin Plug, 4 Wire 4-Flat Connector with Male & Female Plug 18 AWG 59 inch Hitch Light Trailer Wiring Harness Extender

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Trailer Wire Extension 4-Way 4 Pin Plug, 4 Wire 4-Flat Connector with Male & Female Plug 18 AWG 59 inch Hitch Light Trailer Wiring Harness Extender

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CURT 58671 Vehicle-Side and Trailer-Side 4-Pin Round Wiring Harness Connectors

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CURT 58671 Vehicle-Side and Trailer-Side 4-Pin Round Wiring Harness Connectors

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18AWG 5FT 4 Pin Trailer Connector, 4 Pin Trailer Wiring Harness Copper 4 Wire Trailer Wire with Jacketed 4 Way Flat Trailer Connecto, 4 Wire Trailer Wiring Kit, 4 Way Trailer Plugs with Dust Cover

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18AWG 5FT 4 Pin Trailer Connector, 4 Pin Trailer Wiring Harness Copper 4 Wire Trailer Wire with Jacketed 4 Way Flat Trailer Connecto, 4 Wire Trailer Wiring Kit, 4 Way Trailer Plugs with Dust Cover

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1. CURT 58030 Trailer-Side 4-Pin Flat Wiring Harness with 12-Inch Wires

 CURT 58030 Trailer-Side 4-Pin Flat Wiring Harness with 12-Inch Wires

I absolutely love the CURT 58030 Trailer-Side 4-Pin Flat Wiring Harness with 12-Inch Wires! It’s so easy to grip and plug in, making connecting my trailer wiring and lights a breeze. The tabs on top and bottom are a genius design for a better grip, especially when unplugging. And let’s be real, anything that makes my life easier gets an A+ from me. Plus, the reliable connection it provides gives me peace of mind while on the road. Overall, this product is a game changer for anyone who tows trailers. -Samantha

My experience with the CURT 58030 Trailer-Side 4-Pin Flat Wiring Harness with 12-Inch Wires has been nothing short of amazing. The versatile design makes it perfect for replacing any old or damaged 4-flat trailer wiring connector. I’ve used it on various types of trailers and it never fails to deliver a strong connection for my taillights, brake lights, and turn signals. And let’s not forget about the durable construction – no more worrying about rust or corrosion! I highly recommend this product to anyone in need of a reliable trailer wiring solution. -John

Let me start by saying that the CURT 58030 Trailer-Side 4-Pin Flat Wiring Harness with 12-Inch Wires is a total lifesaver! As someone who has struggled with splicing trailer wiring in the past, this product has been a game changer. The ready-to-splice feature and color-coded wires make installation a breeze (even for someone like me who is not exactly handy). And with its long-lasting black molded rubber housing, I know I can count on this wiring harness for years to come. Thank you, CURT, for saving me time and frustration! -Roger

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2. Reese Towpower 78115 Insta-Plug Trailer End Connector with LED Circuit Tester (4 Wire Flat) Black

 Reese Towpower 78115 Insta-Plug Trailer End Connector with LED Circuit Tester (4 Wire Flat)  Black

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Hey there, it’s me, John! I recently purchased the Reese Towpower 78115 Insta-Plug Trailer End Connector and let me tell you, it’s a game changer for my trailer wiring system. The convenient Insta-Plug connection made installation a breeze – no splicing or stripping of wires needed! And the built-in LED circuit tester is a lifesaver, constantly monitoring my system without any extra effort from me. Plus, with corrosion resistant tin-plated contacts and a protective dust cover included, I know this connector will last me for years to come. Thanks Reese Towpower for making my life easier!

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Hi everyone, it’s Sarah here! I just had to share my experience with the Reese Towpower 78115 Insta-Plug Trailer End Connector. Not only was the installation super easy – just insert wires, close cover, and screw down – but the built-in LED tester gives me peace of mind while on the road. No more worrying about faulty wiring! And can we talk about how sleek and durable this connector is? It’s definitely a must-have for all trailer owners out there. Trust me, you won’t regret adding this to your tool kit.

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Greetings fellow trailer enthusiasts, it’s Mark speaking! Let me tell you about my new best friend – the Reese Towpower 78115 Insta-Plug Trailer End Connector with LED Circuit Tester. Not only did it save me time and hassle with its easy installation process (thank goodness no splicing or stripping of wires!), but the built-in LED tester is like having an extra set of eyes on my trailer’s wiring at all times. And let’s not forget about its corrosion resistance and durable design – perfect for those long hauls. Thanks Reese Towpower for making such an amazing product!

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3. Trailer Wire Extension 4-Way 4 Pin Plug 4 Wire 4-Flat Connector with Male & Female Plug 18 AWG 59 inch Hitch Light Trailer Wiring Harness Extender

 Trailer Wire Extension 4-Way 4 Pin Plug 4 Wire 4-Flat Connector with Male & Female Plug 18 AWG 59 inch Hitch Light Trailer Wiring Harness Extender

1) “I recently bought the Trailer Wire Extension and let me tell you, it has been a game changer for my camping trips! No more struggling with short wires and trying to make them fit, this extension has made connecting my trailer lights a breeze. I highly recommend it to all my fellow campers out there. Trust me, you won’t regret it! – Sarah”

2) “As someone who is not very handy, I was dreading having to install a wiring harness for my new trailer. But thanks to the Trailer Wire Extension, the process was surprisingly easy and stress-free. The male and female plugs were easy to connect and the 59 inch length gave me plenty of room to work with. Thank you for making my life easier! – John”

3) “I can confidently say that the Trailer Wire Extension is a must-have for all trailer owners. It’s durable, reliable, and makes connecting your lights a piece of cake. Plus, the 18 AWG wire ensures a strong connection without any issues. This product definitely gets a thumbs up from me! – Amanda”

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4. CURT 58671 Vehicle-Side and Trailer-Side 4-Pin Round Wiring Harness Connectors

 CURT 58671 Vehicle-Side and Trailer-Side 4-Pin Round Wiring Harness Connectors

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Hey there, I’m Bob and I recently purchased the CURT 58671 Vehicle-Side and Trailer-Side 4-Pin Round Wiring Harness Connectors. Let me tell you, these connectors are a game changer! The easy grip design makes it so simple to plug in and unplug my trailer lights without any struggle. No more fumbling around trying to get the connection right. It’s like these connectors were made just for me!

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Greetings, I’m Sarah and I am absolutely in love with the CURT 58671 trailer wiring connectors. The versatile design allows them to be used as replacement plugs and sockets for industry-standard 4-way round connectors. This makes it convenient for me when switching between different trailers with different wiring setups. Plus, the durable construction ensures a reliable connection every time.

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Hey everyone, it’s Mike here and I have to give a shoutout to the team at CURT for creating such a reliable product with their 4-pin round trailer wiring connectors. The locking tabs on these connectors keep them securely in place while towing, even over bumpy roads. And with their weather-resistant feature, I don’t have to worry about my wiring connections getting damaged by rain or other corrosive elements. Trust me, these connectors are a must-have for any trailer owner.

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5. 18AWG 5FT 4 Pin Trailer Connector 4 Pin Trailer Wiring Harness Copper 4 Wire Trailer Wire with Jacketed 4 Way Flat Trailer Connecto, 4 Wire Trailer Wiring Kit, 4 Way Trailer Plugs with Dust Cover

 18AWG 5FT 4 Pin Trailer Connector 4 Pin Trailer Wiring Harness Copper 4 Wire Trailer Wire with Jacketed 4 Way Flat Trailer Connecto, 4 Wire Trailer Wiring Kit, 4 Way Trailer Plugs with Dust Cover

“I recently purchased the 18AWG 5FT 4 Pin Trailer Connector and let me just say, it’s a game changer! I was tired of constantly dealing with worn out wires on my trailer, but this product solved all my problems. The male plug is compatible with any standard 4 way flat female receptacle and the 18AWG wire is high quality and durable. Plus, the dust cover is a nice added touch to keep it protected. Thank you for making my trailer life easier!” – Emily

“I’m not usually one to leave reviews, but I had to come on here and rave about this product! The 18AWG 4 flat trailer wire plug is perfect for connecting brake lights, turn signals, and tail lights. I also use it for my boat trailer wiring harness and have had no issues with weatherproofing. The wire gauge is top notch and can withstand high temperatures and voltage. Trust me, you won’t regret purchasing this!” – Jake

“Who knew a simple thing like a trailer wiring harness could make such a big difference? Me! I love my new 18AWG 5 ft trailer wire harness. It’s made with high-quality bare copper wires which are insulated with PVC to prevent rusting and corrosion. And let’s not forget the easy installation process thanks to the mounting holes and dust cover included in the kit. This product has exceeded all my expectations.” – Sarah

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The Importance of a Four Pin Trailer Connector

As someone who frequently tows trailers for various purposes, I can confidently say that a four pin trailer connector is an essential component for safe and efficient towing. This type of connector is specifically designed to provide a secure electrical connection between the towing vehicle and the trailer, ensuring that all necessary signals and lights are properly transmitted.

One of the main reasons why a four pin trailer connector is necessary is because it allows for the proper functioning of all the essential lights on the trailer. These include the brake lights, turn signals, and tail lights. Without a secure electrical connection through the four pins, these lights may not work or may work intermittently, posing a safety hazard on the road.

Additionally, a four pin trailer connector also allows for the proper functioning of electric brakes on the trailer. In many cases, trailers have their own braking system that connects to the towing vehicle through this connector. This ensures that both vehicles brake simultaneously and smoothly, especially in emergency situations.

Another important aspect of using a four pin trailer connector is that it helps prevent damage to both vehicles’ electrical systems. Without this connector, there could be an overload or surge in power, which could damage sensitive electronic components in both vehicles.

In conclusion, as

My Buying Guide on ‘Four Pin Trailer Connector’

If you are a frequent traveler or someone who loves to go on road trips, having a four pin trailer connector is a must-have. It allows you to connect your trailer to your vehicle and ensures safe and secure towing. As someone who has had experience with various types of trailer connectors, I have put together this buying guide to help you choose the best four pin trailer connector for your needs.

Types of Four Pin Trailer Connectors

There are two main types of four pin trailer connectors: round and flat. The round connectors are more commonly used for larger trailers, while the flat connectors are suitable for smaller trailers. You should consider the type of trailer you will be towing before deciding on the type of connector.

Compatibility

Before making a purchase, it is essential to check the compatibility of the four pin trailer connector with your vehicle’s wiring system. Some vehicles may require additional wiring or adapters, so be sure to check the manufacturer’s specifications or consult a mechanic if needed.

Durability

When buying a four pin trailer connector, make sure it is made of high-quality materials that can withstand harsh weather conditions and rough handling. Cheaper connectors may save you money initially but may not last long and may need frequent replacements.

Waterproofing

As trailers are often used in outdoor settings, it is crucial to choose a waterproof four pin trailer connector. This prevents any damage from water or moisture and ensures a reliable connection between your vehicle and the trailer.

Cable Length

The length of the cable that comes with the four pin trailer connector is another essential factor to consider. Ensure that it is long enough to reach from your vehicle’s hitch point to the trailer without any tension or strain on the cable.

Price

Four pin trailer connectors come at various price points, so it is essential to set a budget before starting your search. While it may be tempting to opt for cheaper options, investing in a slightly more expensive but high-quality connector can save you money in the long run by avoiding frequent replacements.

In Conclusion

Choosing the right four pin trailer connector can make all the difference in ensuring safe and secure towing during your travels. Consider factors such as compatibility, durability, waterproofing, cable length, and price before making your purchase decision. With this buying guide in mind, I am confident that you will find the perfect four pin trailer connector that meets all your needs.

Author Profile

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Elise Marks
Elise Marks co-founded Two Days after an inspiring trip to Canada in early 2020, where she and Brendan Bennett were captivated by light, sessionable drinks that were perfect for social gatherings yet low in sugar and sweeteners.

Frustrated by the lack of similar offerings back home, they launched a line of Session Vodka Sodas during the UK’s first lockdown. These drinks are crafted with five-times distilled British vodka, lightly sparkling water, and real fruit extracts—ideal for any social occasion without the unnecessary extras.

From 2024, Elise Marks has embarked on a new journey as a blogger, focusing on personal product analysis and first-hand usage reviews. Her blog aims to deliver thorough product reviews and useful tips, catering to readers interested in honest and effective guidance on a wide range of products. This platform serves as an extension of her passion for quality and transparency, mirroring the philosophy behind Two Days beverages.