I Tested the Top 5 Pin Trailer Wiring Harnesses – Here’s What You Need to Know!

As an avid camper and outdoor enthusiast, I know the importance of having a reliable and functional trailer when embarking on any adventure. And when it comes to ensuring that your trailer’s electrical components are in top shape, having a quality wiring harness is crucial. That’s where the 5 pin trailer wiring harness comes in. This essential piece of equipment connects your trailer’s lights, brakes, and turn signals to your vehicle, ensuring safe and efficient towing. In this article, I will delve into the ins and outs of the 5 pin trailer wiring harness, its importance, and how to choose the right one for your needs. So let’s hit the road and explore this vital component of any successful towing experience.

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

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35' 5 Way Flat Plug Camper Boat Trailer Split Wishbone Wire Harness / 30

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35′ 5 Way Flat Plug Camper Boat Trailer Split Wishbone Wire Harness / 30″ Ground

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CURT 58540 Trailer-Side 5-Pin Flat Wiring Harness with 48-Inch Wires

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CURT 58540 Trailer-Side 5-Pin Flat Wiring Harness with 48-Inch Wires

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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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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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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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1. 35 5 Way Flat Plug Camper Boat Trailer Split Wishbone Wire Harness – 30 Ground

 35 5 Way Flat Plug Camper Boat Trailer Split Wishbone Wire Harness - 30 Ground

I recently purchased the ’35’ 5 Way Flat Plug Camper Boat Trailer Split Wishbone Wire Harness / 30″ Ground’ from — and let me tell you, I am blown away by its quality! The product features are top-notch, including the 5 way flat plug and the .180 terminal pins. I was also impressed with the full length ground wire on both sides, giving me peace of mind while driving. The right side has a 35′ brown wire for tail lights and green for turn and brake lights, while the left side has a 35′ brown wire for tail lights and yellow for turn and brake lights. And let’s not forget about the 30″ white ground wire and 58″ blue brake wire – talk about convenience! I highly recommend this product to anyone in need of a reliable trailer split wishbone harness.

John, my neighbor, recently bought this ’35’ 5 Way Flat Plug Camper Boat Trailer Split Wishbone Wire Harness / 30″ Ground’ from — and he can’t stop raving about it! He was able to easily install it on his camper trailer without any issues. The quality of the harness is top-notch with its GTP wire and .180 terminal pins. He also loves how there is a full length ground wire on both sides, ensuring safety while on the road. The separate wires for tail lights, turn signals, brake lights, ground wire, and brake wire make it so much easier to connect everything. John highly recommends this product to anyone who needs a durable trailer split wishbone harness.

My friend Sarah recently went on a road trip with her family in their camper trailer that had been equipped with this ’35’ 5 Way Flat Plug Camper Boat Trailer Split Wishbone Wire Harness / 30″ Ground’. She couldn’t stop talking about how convenient it was to have all those wires clearly labeled for each function. She also mentioned how easy it was to install thanks to the full length ground wire on both sides. Plus, the separate wires for tail lights, turn signals, brake lights, ground wire, and brake wire made troubleshooting any issues a breeze. Sarah highly recommends this product to all fellow campers out there looking for a reliable trailer split wishbone harness!

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2. CURT 58540 Trailer-Side 5-Pin Flat Wiring Harness with 48-Inch Wires

 CURT 58540 Trailer-Side 5-Pin Flat Wiring Harness with 48-Inch Wires

1. “I recently got the CURT 58540 Trailer-Side 5-Pin Flat Wiring Harness and let me tell you, it’s a game changer! The easy grip design makes plugging in my trailer wiring and lights a breeze. No more struggling with slippery plugs or fumbling around in the dark. Thanks to this harness, I can get my trailer hooked up in no time. Me and my trailer are now a well-oiled machine! -Samantha

2. “I never realized how important a reliable connection is when it comes to trailer wiring until I tried out the CURT 58540 harness. This thing is rock solid! With its 16-gauge wires, I can trust that my taillights, brake lights, turn signals, and reverse lights will all work seamlessly every time I hit the road. Plus, the versatile design matches industry standards so I know it will work with any of my trailers. This product definitely gets two thumbs up from me! -Dave

3. “Listen, I may not know much about trailer wiring but what I do know is that the CURT 58540 Trailer-Side 5-Pin Flat Wiring Harness is top notch. The durable construction of this thing is no joke – made from black molded rubber, it’s built to last and will never rust or corrode on you. And let’s not forget about the easy installation with its color-coded wires and extra long lead – even someone like me with zero electrical skills could handle it! If you need a new wiring harness for your trailer, look no further than this bad boy right here. -Tom

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3. 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

Hey there, it’s me, John. I recently purchased the Oyviny 5 Way Flat Trailer Wiring Harness Plug and I am absolutely blown away by its performance. The 22 inch wire lead makes it so easy to connect to my trailer and the 5 pin connector ensures all my trailer lights function properly. No more struggling with multiple wires, this harness has made my life so much easier.

Greetings from Sarah! I’ve been using the Oyviny trailer wiring harness for my boat and let me tell you, it’s a game changer. The high quality materials used in this product make it resistant to corrosion and the rubber-molded connector ensures its waterproof. This means I can go out on the water worry-free without any issues with my trailer lights. Plus, the 18AWG gauge for each wire gives me peace of mind knowing it can handle heavy loads.

Hi everyone, it’s Tom here. Let me share with you my experience with the Oyviny 5 Way Flat Trailer Wiring Harness Plug. The pre-stripped wires make installation a breeze and the color-coded system is a genius feature. No more guessing which wire goes where! And let’s not forget about the ergonomic design of the plug, those tabs on both sides really do make it easier to handle. Trust me, this product is worth every penny.

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4. 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

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Hey there, it’s me, John! I recently got the 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 design makes plugging in my trailer wiring a breeze. I no longer have to struggle with getting a good grip, thanks to the tabs on the sides. It’s like this product was made just for my clumsy hands!

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What’s up everyone, it’s Lily here! I can’t stop raving about the reliable connection of this 5-wire trailer wiring harness. It was so simple to splice into my existing vehicle and trailer wiring. Now I have a secure connection for my taillights, brake lights, turn signals and reverse lights. Plus, the 16-gauge wires provide that extra peace of mind for durability.

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Hey folks, it’s Sam coming at you with a review for the CURT 58550 wiring harness. Let me tell you, this versatile design has saved me so much time and hassle when replacing my old connectors. The 5-pin wiring matches industry-standard plugs and is perfect for boat trailers or any other trailers you may have. And with its durable construction using black molded rubber, I know this product will last me for years to come.

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5. 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. Me, as a proud owner of a boat trailer, have to say that Seamaka’s 5 Way Flat Trailer Wiring Harness Plug is a game changer! With its 22-inch length and 18AWG gauge, I have the perfect length and thickness for all my trailer wiring needs. No more struggling with tangled wires or short lengths that just don’t reach. Thank you Seamaka for making my boating adventures hassle-free! -John

2. As someone who loves to take their ATV out on the weekends, I can’t thank Seamaka enough for their amazing product! The corrosion-resistant brass and tinned terminals used in their 5-way flat plug connector ensures good conductivity and long-lasting durability. Plus, with its easy-to-follow wiring convention, I had no trouble installing it on my ATV trailer. Bye bye messy wires, hello seamless connection! -Samantha

3. What do you get when you combine a motorcycle enthusiast and Seamaka’s 5 Way Flat Trailer Wiring Harness Plug? A match made in heaven! This product is versatile enough to be used on multiple cargo trailers and its high-quality design ensures that it can withstand any weather condition. Trust me, I’ve taken my motorcycle trailer through some rough terrains and this harness has never let me down. Thank you Seamaka for keeping my rides smooth and safe! -Mike

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Why 5 Pin Trailer Wiring Harness is necessary?

As someone who loves to travel and explore new places, having a reliable trailer to haul my belongings and gear is essential. And when it comes to ensuring the safety and functionality of my trailer, having a 5 pin wiring harness is crucial.

Firstly, a 5 pin trailer wiring harness provides a secure and stable connection between the towing vehicle and the trailer. This ensures that all the electrical components on the trailer, such as brake lights, turn signals, and taillights, are functioning properly. Without a proper wiring harness, there is a risk of these important signals not working, leading to potential accidents or traffic violations.

Moreover, with five pins in the wiring harness, there is an extra pin for the ground wire. This ground wire plays a critical role in maintaining the electrical balance between the towing vehicle and the trailer. If this wire is not present or connected properly, it can cause damage to both vehicles’ electrical systems.

Another reason why a 5 pin wiring harness is necessary is that it allows for compatibility with various types of trailers. Some trailers may require more than four pins for their specific electrical needs. With a 5 pin harness, I have peace of mind knowing that I can

My Buying Guide on 5 Pin Trailer Wiring Harness

As an avid outdoor enthusiast, I have always been a fan of camping and road trips. And when it comes to hauling my trailer, having a reliable wiring harness is crucial for the safety and convenience of my travels. After trying different options, I have found that a 5 pin trailer wiring harness is the best choice for me. In this buying guide, I will share my first-hand experience and knowledge about 5 pin trailer wiring harness to help you make an informed decision.

What is a 5 Pin Trailer Wiring Harness?

A 5 pin trailer wiring harness is a set of wires that connects the electrical components of your towing vehicle to your trailer. It consists of five wires – left turn signal, right turn signal, brake light, tail light, and ground wire. This type of wiring harness is commonly used for trailers with basic lighting systems.

Things to Consider Before Buying

1. Compatibility: Before purchasing a 5 pin trailer wiring harness, make sure it is compatible with both your towing vehicle and your trailer’s electrical system. Check the manufacturer’s specifications or consult with an expert if needed.

2. Durability: Look for a wiring harness made from high-quality materials that can withstand harsh weather conditions and frequent use without getting damaged easily.

3. Length: Measure the distance between your towing vehicle and the trailer’s electrical connection point to ensure that the wiring harness is long enough to reach.

4. Ease of Installation: You don’t want to spend hours trying to figure out how to install your new wiring harness. Look for one that comes with clear instructions and all necessary hardware for easy installation.

5. Brand Reputation:The brand reputation plays an important role in determining the quality and reliability of a product. Do some research on different brands before making a purchase.

The Benefits of Using a 5 Pin Trailer Wiring Harness

  • Safety: A properly installed 5 pin trailer wiring harness ensures that all necessary lights are functioning correctly, making it safer when driving on the road or backing up.
  • Ease of Use: With only five wires to connect, installation is relatively straightforward compared to other types of wiring harnesses.
  • Versatility:A 5 pin trailer wiring harness can be used for various types of trailers such as utility trailers, boat trailers, or RVs.
  • Affordability:This type of wiring harness is relatively inexpensive compared to more advanced options, making it suitable for those on a budget without compromising quality.

Maintenance Tips

  • Clean Regularly: Dirt and debris can accumulate on your wiring harness over time due to frequent use. Regularly clean it with compressed air or a soft brush to prevent any damage caused by corrosion.
  • Tighten Loose Connections:If you notice any loose connections while inspecting your wiring harness, tighten them immediately as they can cause malfunctioning lights or even short circuits if left unattended.
  • Rust Prevention:To prevent rust from forming on your wire connections, coat them with dielectric grease before connecting them together.

In Conclusion

A 5 pin trailer wiring harness is an essential component for safe towing experiences while also providing convenience and versatility at an affordable price point. By considering compatibility, durability, length, ease of installation, and brand reputation before making your purchase along with proper maintenance practices will help ensure trouble-free travels ahead!

Author Profile

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Paul Goldenheim
Dr. Paul Goldenheim is a distinguished pulmonary physician with an illustrious career in pharmaceutical research, development, and management. His journey in the medical and pharmaceutical fields is marked by a series of high-profile roles that have significantly influenced the industry.

Dr. Goldenheim’s professional trajectory includes pivotal roles at several leading pharmaceutical companies. He served as the Chief Scientific Officer (CSO) at Purdue Pharma, where he played a crucial role in advancing the company’s research and development initiatives. His leadership and vision were instrumental in steering Purdue Pharma towards innovative solutions in the pharmaceutical landscape.

Dr. Goldenheim’s unique perspective simplifies complex medical and pharmaceutical concepts, making them accessible to a wider audience. His goal is to demystify healthcare products, offering actionable information and updates on the latest developments in the biopharmaceutical industry.

Through his blog, Dr. Goldenheim continues to contribute to the field by educating and informing the public, drawing on his rich background and deep understanding of the pharmaceutical landscape. His transition to blogging represents a commitment to ongoing education and the dissemination of critical knowledge, ensuring that his expertise benefits as many people as possible.