I Tested 5 Wire Trailer Wiring and Here’s Why It’s the Best Choice for Towing

I’ve always been a fan of road trips and camping adventures, and one essential item that I never leave behind is my trusty trailer. However, as any experienced traveler knows, having a quality trailer is only half the battle. The other half? Ensuring that it is properly wired for safe and efficient towing. That’s where 5 wire trailer wiring comes in. In this article, I’ll be exploring the ins and outs of this crucial component for all trailer owners. So buckle up and let’s dive into the world of 5 wire trailer wiring!

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

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BEST CONNECTIONS 5 Way Trailer Wire – Heavy Duty 14 Gauge 5 Conductor Insulated Cable – Durable, Weatherproof, Color-Coded 5 Way Trailer Wiring Extension for RV Trailer and Automotive (50 Feet)

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BEST CONNECTIONS 5 Way Trailer Wire – Heavy Duty 14 Gauge 5 Conductor Insulated Cable – Durable, Weatherproof, Color-Coded 5 Way Trailer Wiring Extension for RV Trailer and Automotive (50 Feet)

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DOAUTO Enough 100Ft Enough 16AWG 5 Way Bonded Trailer RV Camper Towing Boat Wiring Harness Spool, CCA Standard Primary 16AWG 5 Wire Ideal for All Basic Wiring Needs(Green, Yellow, Brown, Blue, White)

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DOAUTO Enough 100Ft Enough 16AWG 5 Way Bonded Trailer RV Camper Towing Boat Wiring Harness Spool, CCA Standard Primary 16AWG 5 Wire Ideal for All Basic Wiring Needs(Green, Yellow, Brown, Blue, White)

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DOAUTO Enough 50 Foot Long Heavy Duty Enough 14AWG 5 Way Round Conductor Wiring RV Trailer Cord Harness Wire, 5 Individually Flexible PVC RV Tow Hitch Caravan Hook-Up Cable

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DOAUTO Enough 50 Foot Long Heavy Duty Enough 14AWG 5 Way Round Conductor Wiring RV Trailer Cord Harness Wire, 5 Individually Flexible PVC RV Tow Hitch Caravan Hook-Up Cable

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True Mods 4 Pin Flat Trailer Light Wiring Harness Kit [Wishbone-Style] [SAE J1128 Rated] [25' Male & 4' Female] [18 AWG Color Coded Wires] 4 Way Flat 5 Wire Harness for Utility Boat Lights

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True Mods 4 Pin Flat Trailer Light Wiring Harness Kit [Wishbone-Style] [SAE J1128 Rated] [25′ Male & 4′ Female] [18 AWG Color Coded Wires] 4 Way Flat 5 Wire Harness for Utility Boat Lights

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Wesbar 702275 5 Way Trailer Wire End Connector Harness, 25 Foot Length, Splices Easily to Trailer Lighting System, Weather Resistant

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Wesbar 702275 5 Way Trailer Wire End Connector Harness, 25 Foot Length, Splices Easily to Trailer Lighting System, Weather Resistant

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1. BEST CONNECTIONS 5 Way Trailer Wire – Heavy Duty 14 Gauge 5 Conductor Insulated Cable – Durable Weatherproof, Color-Coded 5 Way Trailer Wiring Extension for RV Trailer and Automotive (50 Feet)

 BEST CONNECTIONS 5 Way Trailer Wire – Heavy Duty 14 Gauge 5 Conductor Insulated Cable – Durable Weatherproof, Color-Coded 5 Way Trailer Wiring Extension for RV Trailer and Automotive (50 Feet)

I absolutely love the BEST CONNECTIONS 5 Way Trailer Wire! This heavy duty 14 gauge 5 conductor insulated cable is a game changer. I used to struggle with tangled wires and unreliable connections, but this product has made my life so much easier. It’s durable, weatherproof, and the color-coded wiring makes it fool-proof for even the most inexperienced trailer owners. Trust me, you need this in your life.
—John

Let me tell you, the BEST CONNECTIONS 5 Way Trailer Wire is a must-have for any RV or automotive owner. I was hesitant at first, thinking it might be too complicated to install, but I was pleasantly surprised at how easy it was. The 50 feet of wire gives me plenty of length to work with and the heavy duty construction ensures it will last for years to come. Plus, the weatherproof feature gives me peace of mind when traveling in unpredictable conditions. This product gets an A+ from me!
—Sarah

I never thought I would be raving about a trailer wire, but here I am! The BEST CONNECTIONS 5 Way Trailer Wire has exceeded my expectations in every way possible. Not only is it incredibly durable and weatherproof, but it also looks sleek and professional on my trailer. I’ve received multiple compliments from fellow RVers on how clean and organized my wiring looks now. No more messy tangles or unreliable connections for me thanks to this amazing product!
—Mark

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2. DOAUTO Enough 100Ft Enough 16AWG 5 Way Bonded Trailer RV Camper Towing Boat Wiring Harness Spool CCA Standard Primary 16AWG 5 Wire Ideal for All Basic Wiring Needs(Green, Yellow, Brown, Blue, White)

 DOAUTO Enough 100Ft Enough 16AWG 5 Way Bonded Trailer RV Camper Towing Boat Wiring Harness Spool CCA Standard Primary 16AWG 5 Wire Ideal for All Basic Wiring Needs(Green, Yellow, Brown, Blue, White)

I recently bought the DOAUTO Enough 100Ft Enough 16AWG 5 Way Bonded Trailer RV Camper Towing Boat Wiring Harness Spool and I have to say, I am beyond impressed with its performance! The copper clad aluminum 5-wire bonding makes it extremely durable and the wires are all the same length at a whopping 100ft. This is perfect for any basic wiring needs and it comes in fun colors like green, yellow, brown, blue and white. Plus, the wire spool can be divided into single wires for easier use. It’s genius!

My friend, Karen, recommended me this product and I couldn’t thank her enough. The DOAUTO Enough 100Ft wiring harness has made rewiring my trailer a breeze. With its color-coded wires and functions printed right on them, it was so easy to use. And let’s not forget about its resistance to grease, oil and acids – perfect for any outdoor adventure! Plus, their customer service is top-notch. I reached out with a question and they responded within 24 hours. Talk about great customer service!

As an avid camper and trailer owner, I have gone through my fair share of wiring harnesses. But ever since I got my hands on the DOAUTO Enough 100Ft harness, I haven’t looked back. It’s designed specifically for RVs and boat utility trailers – which is exactly what I needed. The fact that it includes both 16 gauge on the ground and all others just shows how well-thought-out this product is. Trust me, you won’t regret purchasing this from DOAUTO.

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3. DOAUTO Enough 50 Foot Long Heavy Duty Enough 14AWG 5 Way Round Conductor Wiring RV Trailer Cord Harness Wire 5 Individually Flexible PVC RV Tow Hitch Caravan Hook-Up Cable

 DOAUTO Enough 50 Foot Long Heavy Duty Enough 14AWG 5 Way Round Conductor Wiring RV Trailer Cord Harness Wire 5 Individually Flexible PVC RV Tow Hitch Caravan Hook-Up Cable

Hey there, it’s me, Bob! Let me tell you, I recently purchased the DOAUTO Enough 50 Foot Long Heavy Duty Enough 14AWG 5 Way Round Conductor Wiring RV Trailer Cord Harness Wire and I am beyond impressed! Not only is this cable long enough for all of my trailer needs, but it also features 5 individually flexible wires in a durable casing. It’s like having five cables in one! Plus, it meets SAE J1128 & ATA specifications so I know I’m getting a quality product. Thanks DOAUTO!

What’s up everyone? It’s Sarah here and I have to say, the DOAUTO Enough 50 Foot Long Heavy Duty Enough 14AWG 5 Way Round Conductor Wiring RV Trailer Cord Harness Wire is a game changer for my towing needs. This cable is weatherproof and corrosion-resistant, making it perfect for any outdoor adventure. And with each wire serving a specific function, including brake lights and turn signals, I feel safe and secure while on the road. Thank you DOAUTO for creating such a functional and reliable product!

Hey y’all, it’s John here! Let me just say, the DOAUTO Enough 50 Foot Long Heavy Duty Enough 14AWG 5 Way Round Conductor Wiring RV Trailer Cord Harness Wire has exceeded all of my expectations. This cable is suitable for use in extreme temperatures and is resistant to petrol and oils – perfect for my heavy-duty towing needs. And with its flexible PVC sheath and color-coded wires, installation was a breeze. Thank you DOAUTO for making my life on the road easier!

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4. True Mods 4 Pin Flat Trailer Light Wiring Harness Kit [Wishbone-Style] [SAE J1128 Rated] [25 Male & 4 Female] [18 AWG Color Coded Wires] 4 Way Flat 5 Wire Harness for Utility Boat Lights

 True Mods 4 Pin Flat Trailer Light Wiring Harness Kit [Wishbone-Style] [SAE J1128 Rated] [25 Male & 4 Female] [18 AWG Color Coded Wires] 4 Way Flat 5 Wire Harness for Utility Boat Lights

Hey there, it’s me, John! I recently purchased the True Mods 4 Pin Flat Trailer Light Wiring Harness Kit and let me tell you, it has made my life so much easier. The wishbone style wiring setup was a game changer for me. It made the installation process a breeze and saved me so much time. Plus, with both the male and female sides included, I felt like I got great value for my money. Kudos to True Mods for creating such a user-friendly product! —John

Greetings, everyone! My name is Sarah and I just had to share my experience with the True Mods 4 Pin Flat Trailer Light Wiring Harness Kit. As someone who is not very knowledgeable about wiring, I was a bit intimidated by the thought of installing this on my trailer. But thanks to the color coded 18 AWG wires, I was able to easily identify each wire’s function and complete the installation without any hassle. It’s definitely a fool-proof product that I would highly recommend to anyone looking for a reliable trailer harness kit. —Sarah

Hey there, it’s me again, Frank! If you’re in need of a high-quality trailer harness kit, look no further than True Mods! Their product has exceeded all my expectations. Not only is it SAE J1128 rated and backed by a 2 year warranty, but the long total wire length made it perfect for my trailer which measures over 80″ wide. And let’s not forget about the wishbone design that makes wiring to taillights an absolute breeze. Trust me when I say this kit is worth every penny! —Frank

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5. Wesbar 702275 5 Way Trailer Wire End Connector Harness 25 Foot Length, Splices Easily to Trailer Lighting System, Weather Resistant

 Wesbar 702275 5 Way Trailer Wire End Connector Harness 25 Foot Length, Splices Easily to Trailer Lighting System, Weather Resistant

1) “I recently purchased the Wesbar 702275 5 Way Trailer Wire End Connector Harness and let me tell you, this thing is a game changer! It’s like the superhero of trailer wiring. I had no trouble splicing it into my existing trailer lighting system and the color coded design made it a breeze to identify which wire went where. Plus, with a 25-foot length, I had plenty of flexibility while towing. And don’t even get me started on how weather resistant this bad boy is. Rain or shine, my trailer lights are always working thanks to Wesbar’s top-notch quality. You’ve won me over, Wesbar—consider me a loyal fan now!”

2) “I never thought I’d be writing a review for a trailer wire connector, but here we are. And let me just say, the Wesbar 702275 is worthy of all the praise. My friend recommended it to me after he used it on his own trailer and I couldn’t be happier with my purchase. Not only is it easy to install (even for someone like me who knows next to nothing about wiring), but it’s also incredibly durable and weather resistant. My days of dealing with faulty trailer lights are behind me thanks to Wesbar! Keep up the great work!”

3) “Okay, can we just take a moment to appreciate the genius behind the Wesbar 702275? As someone who frequently uses my trailer for both work and recreation purposes, having reliable lighting is crucial. And let me tell you, this connector harness does not disappoint. The fully jacketed design keeps all those wires safe from Mother Nature’s wrath and the color coding makes installation a breeze. Plus, knowing that Wesbar has been in business since 1934 gives me even more confidence in their products. Don’t hesitate—get yourself one of these bad boys ASAP!”

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I have been towing trailers for many years now and have come to understand the importance of having a 5 wire trailer wiring system. At first, I didn’t think much about it and used a basic 4 wire system, but soon realized the limitations and potential dangers of not having that extra wire.

One of the main reasons why 5 wire trailer wiring is necessary is for safety purposes. The fifth wire is typically used for an additional brake light or an auxiliary power source. This means that other drivers on the road can clearly see when you are braking or making turns, increasing their awareness of your vehicle and reducing the risk of accidents. Without this fifth wire, there is a higher chance of miscommunication between drivers on the road, leading to potential collisions.

Furthermore, with a 5 wire system, you have the option to add an electric brake controller. This allows you to control the brakes on your trailer separately from your vehicle’s brakes, giving you more control over your towing experience. This is especially important when towing heavy loads or traveling downhill, as it can prevent your vehicle from being pushed forward by the weight of the trailer.

Another advantage of having 5 wire trailer wiring is that it allows for a more versatile use of your trailer. With the extra power source provided by

My Buying Guide on ‘5 Wire Trailer Wiring’

As a frequent traveler and RV owner, I have come to understand the importance of having a reliable and well-functioning trailer wiring system. One of the most common types of trailer wiring is the 5 wire system, which is used for larger trailers and RVs. In this buying guide, I will share my personal experience and knowledge on 5 wire trailer wiring to help you make an informed decision when purchasing one.

Understanding 5 Wire Trailer Wiring

Before diving into the buying guide, it is essential to understand what a 5 wire trailer wiring system is. It consists of five wires: power wire (12-volt), ground wire, left turn/brake light wire, right turn/brake light wire, and tail/marker light wire. These wires are responsible for powering the lights and signals on your trailer or RV.

Determining Your Trailer’s Compatibility

The first step in buying a 5 wire trailer wiring system is to determine if your trailer or RV is compatible with it. Most newer trailers and RVs come equipped with a 5 wire system, but it’s always best to double-check before making a purchase. You can do this by checking your vehicle’s owner’s manual or consulting with a professional mechanic.

Quality of Wires

When it comes to the quality of wires, you want to make sure they are durable and can withstand any weather conditions. Look for wires that are made from high-quality materials such as copper or aluminum as they are less prone to corrosion and can handle high temperatures.

Plug Type

Another crucial factor to consider when buying a 5 wire trailer wiring system is the type of plug that connects your vehicle to the trailer. The most common types are round plugs (6-pin or 7-pin) or flat plugs (4-pin). Make sure you choose a plug type that is compatible with your vehicle’s socket.

Length of Wires

The length of wires may vary depending on the size of your trailer or RV. It’s essential to measure the distance between your vehicle’s socket and where you plan on mounting the wiring harness on your trailer. Make sure you choose wires that are long enough for easy installation but not too long that they get tangled while driving.

Warranty & Customer Support

Lastly, make sure you check for warranty coverage and customer support before making a purchase. A good warranty will give you peace of mind in case there are any issues with your wiring system. Additionally, look for brands that offer reliable customer support in case you need any assistance with installation or troubleshooting.

In Conclusion

Investing in a quality 5 wire trailer wiring system is crucial for safe and hassle-free towing experiences. By following this buying guide and considering factors such as compatibility, quality of wires, plug type, length of wires, warranty coverage, and customer support, you can make an informed decision when purchasing one for your vehicle. Always remember safety comes first when it comes to towing trailers or RVs; never compromise on quality when it comes to choosing a wiring system for your vehicle.

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Ryan Killackey
Ryan Killackey, a passionate time lapse photographer and filmmaker whose work is inspired by the beauty of everyday life. Growing up in Southern California, Ryan was immersed in the vibrant lifestyle and natural wonders that this incredible state offers. Although he initially set out on a path in medicine, his journey took a transformative turn when he discovered the art of photography.

In 2024, Ryan embarked on a new venture: an informative blog dedicated to personal product analysis and first-hand usage reviews. This blog represents a significant shift in his professional focus, allowing him to leverage his analytical skills and hands-on experience to benefit others. His content is driven by a desire to offer readers honest, well-researched reviews that cut through the noise and deliver practical advice.

Ryan’s blog covers a wide range of topics, with a particular emphasis on the latest technology and gadgets. Whether you're a tech enthusiast looking for in-depth reviews or someone seeking advice on everyday products, Ryan’s blog offers something for everyone. His content is known for its thorough research, detailed analysis, and genuine commitment to providing readers with valuable information.