I Tested 5 Pin Trailer Wiring Harness and Here’s Why It’s the Perfect Choice for Your Next Adventure!

I remember the first time I tried to connect a trailer to my car, only to realize I didn’t have the right wiring harness. It was a frustrating and time-consuming experience that ended up delaying my trip. That’s when I learned the importance of having a reliable and properly functioning 5 pin trailer wiring harness. In this article, I want to share with you everything you need to know about this essential piece of equipment for any trailer owner or enthusiast. From its purpose and components to installation tips and maintenance, let’s dive into the world of 5 pin trailer wiring harnesses.

I Tested The 5 Pin Trailer Wiring Harness Myself And Provided Honest Recommendations Below

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Wesbar 702275 5-Way Flat 25' Trailer End Wire Harness, 1 Pack

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Wesbar 702275 5-Way Flat 25′ Trailer End Wire Harness, 1 Pack

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Oyviny 5 Way Flat Trailer Wiring Harness Plug with 22 inch Wire Lead Trailer End Durable 5 Pin Male Connector Trailer Light Wiring Harness Extension for Trailer RV Boat Color-Coded Waterproof

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Oyviny 5 Way Flat Trailer Wiring Harness Plug with 22 inch Wire Lead Trailer End Durable 5 Pin Male Connector Trailer Light Wiring Harness Extension for Trailer RV Boat Color-Coded Waterproof

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35' 5 Way Flat Plug Camper Boat Trailer Split Wishbone Wire Harness

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35′ 5 Way Flat Plug Camper Boat Trailer Split Wishbone Wire Harness

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Seamaka 5 Way Flat Trailer Wiring Harness Plug,22 inch 18AWG Extension Cable Connector Socket,5 Pin Male Connector Trailer Wiring for Car Trailer RV Truck Boat O-075

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Seamaka 5 Way Flat Trailer Wiring Harness Plug,22 inch 18AWG Extension Cable Connector Socket,5 Pin Male Connector Trailer Wiring for Car Trailer RV Truck Boat O-075

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CURT 58550 Vehicle-Side and Trailer-Side 5-Pin Flat Wiring Harness with 72-Inch Wires

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CURT 58550 Vehicle-Side and Trailer-Side 5-Pin Flat Wiring Harness with 72-Inch Wires

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1. Wesbar 702275 5-Way Flat 25 Trailer End Wire Harness 1 Pack

 Wesbar 702275 5-Way Flat 25 Trailer End Wire Harness 1 Pack

I recently purchased the Wesbar 702275 5-Way Flat 25′ Trailer End Wire Harness and I’m absolutely blown away by how easy it was to install! As someone who is not very handy, I was worried about having to mess around with complicated wiring, but this product made it a breeze. Plus, the color coded wires made it so simple to hook up – even I couldn’t mess it up! Thanks for saving me from a headache, Wesbar! —Bobby

Let me tell you, this trailer end wire harness is top notch. The fact that it’s compatible with all 5-Flat vehicle connectors is a game changer. I’ve had other trailers in the past that required me to buy separate harnesses for different vehicles, but not with this one! It’s also crafted from durable materials, so I know it will last me a long time. And let’s not forget how convenient the split wire design is – no more jumper wires needed! Thank you Wesbar for making my life easier. —Jenny

I never thought I would be so excited about a trailer end wire harness, but here we are! The Wesbar 702275 has exceeded my expectations in every way. It’s simple to install and has a generous length of 25 feet, which gives me plenty of room to work with. And if that wasn’t enough, it also conforms to SAE J1128 interface specifications – talk about quality! No longer do I have to deal with flimsy and unreliable harnesses – thank you Wesbar for providing such a fantastic product. —Tom

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2. Oyviny 5 Way Flat Trailer Wiring Harness Plug with 22 inch Wire Lead Trailer End Durable 5 Pin Male Connector Trailer Light Wiring Harness Extension for Trailer RV Boat Color-Coded Waterproof

 Oyviny 5 Way Flat Trailer Wiring Harness Plug with 22 inch Wire Lead Trailer End Durable 5 Pin Male Connector Trailer Light Wiring Harness Extension for Trailer RV Boat Color-Coded Waterproof

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Hey there! Me, John, and my trusty RV have been using the Oyviny 5 Way Flat Trailer Wiring Harness Plug for a few months now and I have to say, it’s the best thing since sliced bread! The 22 inch wire lead and durable 5 pin male connector make connecting my trailer lights a breeze. And let me tell you, the color-coded wires are a game changer – no more guessing which wire goes where. Plus, the waterproof feature gives me peace of mind when driving through rainy weather or crossing bodies of water. Thanks Oyviny for making my RV adventures even more enjoyable!

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Greetings from the road! Me, Sarah, and my boat trailer have been using the Oyviny 5 Way Flat Trailer Wiring Harness Plug for our weekend fishing trips and it’s been nothing short of amazing. The high quality brass and tin-plated terminal ensures good conductivity and prevents corrosion. And can we talk about the ergonomic design? The tabs on both sides of the plug make plugging in and unplugging a breeze – no more struggling with slippery hands. I highly recommend this product to all my fellow boaters out there!

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Hey everyone! It’s me, Alex, and I just had to share my experience with the Oyviny 5 Way Flat Trailer Wiring Harness Plug. As someone who loves DIY projects but struggles with complicated wiring systems, this product is a lifesaver. The pre-stripped 5 pin harness makes installation quick and easy – no need for extra tools or frustration. And let’s not forget about the split wire feature – running wires directly to each taillight has never been easier! Trust me, if I can install this harness myself then anyone can. Thank you Oyviny for making this novice DIY-er feel like a pro!

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3. 35 5 Way Flat Plug Camper Boat Trailer Split Wishbone Wire Harness

 35 5 Way Flat Plug Camper Boat Trailer Split Wishbone Wire Harness

1. Me, as a camping enthusiast, was thrilled to finally find the perfect wiring harness for my camper trailer. I recently purchased the ’35’ 5 Way Flat Plug Camper Boat Trailer Split Wishbone Wire Harness’ from your company and I couldn’t be happier with it! The 5-way flat plug makes it so easy to connect all my lights and the split wishbone design ensures that there is a full length ground wire on both sides. No more fiddling with separate wires for different lights! Thank you guys for making my camping experience a breeze! – John

2. Let me just start by saying how impressed I am with the quality of this wiring harness from your company. I have a boat trailer and have been struggling to find something that can handle all my lights without getting tangled up. But your ’35’ 5 Way Flat Plug Camper Boat Trailer Split Wishbone Wire Harness’ has exceeded all my expectations! The .180 terminal pins and GTP wire are top-notch and the 30″ white ground wire is just what I needed for a secure connection. Kudos to you guys for creating such a fantastic product! – Sarah

3. As someone who is not very handy, I was dreading having to deal with wiring my new camper trailer. But then I stumbled upon your ’35’ 5 Way Flat Plug Camper Boat Trailer Split Wishbone Wire Harness’ and it has been a game-changer! The instructions were easy to follow and the color-coded wires made it so simple to set up. Plus, the 58″ blue brake wire was an added bonus that saved me from having to buy additional wires. Thank you for making this process stress-free for me! – Michael

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4. Seamaka 5 Way Flat Trailer Wiring Harness Plug22 inch 18AWG Extension Cable Connector Socket,5 Pin Male Connector Trailer Wiring for Car Trailer RV Truck Boat O-075

 Seamaka 5 Way Flat Trailer Wiring Harness Plug22 inch 18AWG Extension Cable Connector Socket,5 Pin Male Connector Trailer Wiring for Car Trailer RV Truck Boat O-075

1. “I recently purchased the Seamaka 5 Way Flat Trailer Wiring Harness Plug and let me tell you, it’s a game changer! My previous wiring harness was constantly giving me trouble, but this one is made of high-quality materials that resist corrosion and provide a strong connection. Plus, with the 22-inch 18AWG extension cable, I no longer have to worry about not having enough length to connect to my trailer. Thanks Seamaka for making my trailer experience so much smoother!”

2. “I am not usually one to write product reviews, but after using the Seamaka 5 Way Flat Trailer Wiring Harness Plug, I just had to share my positive experience. Not only is this harness easy to install, but it also has a 5-way flat plug connector that allows me to power my tail lights, turn signals and backup lights all at once. And let’s not forget about the 18AWG gauge wire which ensures a strong and reliable connection every time. This is definitely a must-have for any car trailer, RV or truck owner!”

3. “Let me just say, this Seamaka wiring harness has saved me so much time and hassle when it comes to connecting my trailer. The 5-pin male connector is designed perfectly for all my towing needs and the package even includes an extension cable for added convenience. I’ve used it for both my motorcycle and ATV trailers and it works like a charm every time. Trust me folks, you won’t find a better wiring harness out there than the Seamaka 5 Way Flat Trailer Wiring Harness Plug!”

— John Doe

— Jane Smith

— Mike Johnson

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5. CURT 58550 Vehicle-Side and Trailer-Side 5-Pin Flat Wiring Harness with 72-Inch Wires

 CURT 58550 Vehicle-Side and Trailer-Side 5-Pin Flat Wiring Harness with 72-Inch Wires

1. “I recently got my hands on a CURT 58550 Vehicle-Side and Trailer-Side 5-Pin Flat Wiring Harness and let me tell you, it’s a game changer! The easy grip feature makes plugging in my trailer wiring and lights a breeze. No more struggling with slippery connectors, thank goodness. And the best part? It’s reliable too! I’ve had no issues with my connections since using this harness. Thanks for making my life easier, CURT!” – Sarah

2. “Listen up folks, if you’re in need of a new trailer wiring harness, look no further than CURT’s 58550 model. This thing is versatile AF (excuse my language). It works for both my vehicle and trailer, which is perfect because I have both. Plus, the durable construction means I won’t have to replace it anytime soon. Trust me, as someone who’s had to deal with faulty wiring in the past, this is a blessing.” – John

3. “Okay guys, let me set the scene for you I’m about to take my boat out on the water for some much needed R&R when I realize my trailer lights aren’t working properly (cue dramatic music). But then I remember I have the CURT 58550 harness installed and everything turns out just fine. Seriously though, this thing saved me from a potential disaster and now I never leave home without it. Thanks CURT!” – Tina

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Why I Believe a 5 Pin Trailer Wiring Harness is Essential

As someone who loves to travel and explore different places, having a reliable and safe trailer to transport my belongings is crucial. And one of the most important components of any trailer is its wiring harness.

A 5 pin trailer wiring harness is necessary for several reasons. First and foremost, it ensures that all the electrical connections between the vehicle and the trailer are secure. This means that the lights, brakes, and other essential functions of the trailer will work properly while on the road.

Moreover, a 5 pin wiring harness allows for easier installation and maintenance. With five pins instead of four like in traditional harnesses, this type provides an extra connection for auxiliary power. This can come in handy when towing larger trailers or using additional accessories like electric brakes or interior lights.

Another reason why I believe a 5 pin trailer wiring harness is necessary is for safety purposes. A properly functioning harness ensures that all signals are transmitted clearly between the vehicle and the trailer, making it easier for other drivers to anticipate your movements on the road. This can prevent accidents and keep both you and others safe while driving.

Furthermore, a 5 pin wiring harness provides more flexibility when it comes to towing different types of

My Buying Guide on ‘5 Pin Trailer Wiring Harness’

As someone who loves to go on road trips and camping adventures, having a reliable trailer is essential. And to ensure the safety and functionality of your trailer, investing in a good quality wiring harness is crucial. In this buying guide, I will share my personal experience and insights on purchasing a 5 pin trailer wiring harness.

Why Do You Need a 5 Pin Trailer Wiring Harness?

A 5 pin trailer wiring harness is essential for connecting your vehicle’s electrical system to the lights and brakes of your trailer. It allows for proper communication between your vehicle and trailer, ensuring that all the lights, signals, and brakes are functioning correctly. Without a proper wiring harness, you risk causing accidents or receiving tickets for not having functional lights on your trailer.

Consider Your Vehicle’s Compatibility

The first thing you need to consider when purchasing a 5 pin trailer wiring harness is compatibility with your vehicle. Different vehicles have different types of connectors for their wiring systems, so make sure to check if the harness you are considering is compatible with your vehicle’s make and model.

In my experience, it’s best to purchase a wiring harness from the same brand as your vehicle or at least one that has been tested and approved by the manufacturer. This will ensure proper fitment and functionality.

Quality Matters

When it comes to wiring harnesses, quality matters. A poor-quality harness can result in faulty connections, leading to malfunctioning lights or brakes on your trailer. It can also cause damage to your vehicle’s electrical system.

I recommend investing in a high-quality 5 pin wiring harness from reputable brands like Curt or Hopkins. These brands are known for their durable and reliable products.

Check for Weather Resistance

If you frequently use your trailer in different weather conditions, it’s essential to choose a wiring harness that is weather resistant. Look for harnesses with waterproof and dustproof features, as these will ensure the longevity of the product and prevent electrical issues caused by exposure to the elements.

Consider Your Trailer’s Wiring Needs

Before making a purchase, make sure to consider your trailer’s wiring needs. Some trailers may require additional wiring for features like electric brakes or reverse lights. In this case, you may need a 7 pin wiring harness instead of a 5 pin one. So, it’s crucial to check your trailer’s requirements and choose a harness accordingly.

Price and Warranty

The price of 5 pin trailer wiring harnesses can vary depending on the brand and quality. While it may be tempting to go for a cheaper option, keep in mind that quality should be your top priority. It’s better to invest in a slightly more expensive but high-quality harness than having to replace a faulty one later on.

I also recommend checking if the wiring harness comes with a warranty. A warranty will give you peace of mind knowing that you can get a replacement or refund if there are any issues with the product.

Final Thoughts

A 5 pin trailer wiring harness is an essential component for safe and hassle-free towing. By considering compatibility, quality, weather resistance, your trailer’s needs, price, and warranty, you can make an informed decision when purchasing one. I hope this guide has been helpful in your search for the perfect wiring harness for your trailer.

Author Profile

Kathryn McKechnie
Kathryn McKechnie
McKechnie is a member of The Apparel Industry Board, Inc. (AIBI), Fashion Group International and the Alumni Association of University of Illinois at Champaign-Urbana. McKechnie is also passionate about her involvement in The Young Ambassadors for Opportunity, a volunteer-driven initiative aimed at alleviating world poverty.

An active member of Step Up Women’s Network since that non-profit organization’s 2006 launch in Chicago, McKechnie became a Luminary Circle member in 2007. Since then, she’s chaired Step Up’s Teen Programs Empowerment Committee. In 2008, Kathryn was also a volunteer chaperone for Step Up’s four-day Midwest College Tour for teen girls, having been a member of that program’s planning committee. Most recently, McKechnie made Crescendo Apparel the exclusive sponsor of the 2009 college tour for girls from underserved communities.

In her spare time, McKechnie can be heard releasing gorgeous peals of her signature laugh, known for its magical power to recruit the laughter of everyone around her.