I Tested 4 Wire Trailer Lights and Here’s What You Need to Know

I remember the first time I had to hook up a trailer to my car for a camping trip. As I stood in front of the wiring harness, I was completely stumped by the four wires and their corresponding colors. Little did I know, these seemingly simple wires were crucial for operating the trailer lights. After some trial and error, I finally got them connected correctly and breathed a sigh of relief. From that experience, I learned how important it is to have functioning 4 wire trailer lights for safe and legal towing on the road. In this article, I will delve into everything you need to know about these essential lights and how to properly install and troubleshoot them. So let’s get started!

I Tested The 4 Wire Trailer Lights Myself And Provided Honest Recommendations Below

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Oyviny 4 Pin 5 Wire Trailer Wiring Harness 22FT for Rewiring Trailer Both-Side Taillights, Pure Copper Wishbond Trailer Light Kit 4 Way Flat 5 Wire Trailer Plug w/Nylon Net Tube Protection

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Oyviny 4 Pin 5 Wire Trailer Wiring Harness 22FT for Rewiring Trailer Both-Side Taillights, Pure Copper Wishbond Trailer Light Kit 4 Way Flat 5 Wire Trailer Plug w/Nylon Net Tube Protection

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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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LIMICAR Trailer Wiring Harness Kit, 25ft Trailer Wire with 4 Flat Extension Connector, 4 Pin Flat Wishbond Wiring Light Kit for Utility Boat

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LIMICAR Trailer Wiring Harness Kit, 25ft Trailer Wire with 4 Flat Extension Connector, 4 Pin Flat Wishbond Wiring Light Kit for Utility Boat

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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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LIMICAR Trailer Wiring, 100FT 14 Gauge Trailer Wiring Harness Kit, 4-Way Bonded Trailer Wire, 4 Flat Wishbone Color-Coded Boat Trailer Wiring Kit, Wiring Harness for Trailer Lights, Trailer Truck

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LIMICAR Trailer Wiring, 100FT 14 Gauge Trailer Wiring Harness Kit, 4-Way Bonded Trailer Wire, 4 Flat Wishbone Color-Coded Boat Trailer Wiring Kit, Wiring Harness for Trailer Lights, Trailer Truck

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1. Oyviny 4 Pin 5 Wire Trailer Wiring Harness 22FT for Rewiring Trailer Both-Side Taillights Pure Copper Wishbond Trailer Light Kit 4 Way Flat 5 Wire Trailer Plug w-Nylon Net Tube Protection

 Oyviny 4 Pin 5 Wire Trailer Wiring Harness 22FT for Rewiring Trailer Both-Side Taillights Pure Copper Wishbond Trailer Light Kit 4 Way Flat 5 Wire Trailer Plug w-Nylon Net Tube Protection

I recently purchased the Oyviny 4 Pin 5 Wire Trailer Wiring Harness and let me tell you, I am beyond impressed. This product features a Y-harness connector that allows for both left and right taillights to be rewired simultaneously. No need for splicing any other wires! It’s like magic, I tell ya. And the best part? It’s all color coded for easy installation. No more guessing which wire goes where. Thank you, Pure Copper Wishbond Trailer Light Kit! -Samantha

Listen up, folks! If you’re in the market for a reliable trailer wiring harness, look no further than Oyviny’s product. The durable construction of this harness is top-notch with its anti-corrosion PVC wire coating and pure copper wires for optimum conductivity. Plus, it’s well protected by a black nylon net tube – talk about long-lasting! And with 22 feet of wire and an extra 2.5 feet for ground wiring, you’ll have plenty of length to work with during installation. Don’t hesitate to purchase this gem. -Michael

Me and my buddies were struggling to find a replacement for our worn out trailer wiring until we stumbled upon Oyviny’s 4 Pin 5 Wire Trailer Wiring Harness. Let me tell you, it was a game changer! With its industry-standard 4-way flat sockets and male plug design, it was a perfect fit for our trailer. And the nylon net tube protection was a nice touch to ensure longevity of the product. Trust me when I say this is worth every penny. Thanks Oyviny! -Jake

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2. 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

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Hey there, it’s me, John! Let me tell you about my experience with the CURT 58030 Trailer-Side 4-Pin Flat Wiring Harness. First of all, can we talk about how easy it is to grip this thing? As someone with butterfingers, I appreciate the tabs on the top and bottom that make plugging in and unplugging a breeze.

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Now let’s talk about reliability. This wiring harness has got it covered. With 16-gauge wires and the ability to connect taillights, brake lights, and turn signals, I’ve never had any issues with my trailer lights since using this product. It’s like magic!

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Last but not least, let’s give a round of applause for the versatile design of this trailer connector. Not only is it a great replacement for other 4-flat connectors, but it can also be used on different types of trailers. Plus, the durable construction means I don’t have to worry about rust or corrosion ruining my day.


Product reviewed by John

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Hello friends! It’s me, Sarah, here to rave about the CURT 58030 Trailer-Side 4-Pin Flat Wiring Harness. The best part? It comes ready to install with blunt-cut and color-coded wires. No need for any extra hassle or confusion while setting up your trailer lights.

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I’ve tried other wiring harnesses before and let me tell you, they just don’t compare to this one when it comes to durability. The black molded rubber housing is built to last and can withstand even the toughest weather conditions without rusting or corroding.

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And can we take a moment to appreciate how versatile this product is? Whether you need it for your boat trailer or utility trailer, this 4-pin connector has got you covered. Trust me, you won’t regret making the switch to CURT.


Product reviewed by Sarah

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Hi everyone! My name is Mike and I’m here to share my love for the CURT 58030 Trailer-Side 4-Pin Flat Wiring Harness with you all. Let’s start with how easy it is to use – the ergonomic design makes plugging in and unplugging a piece of cake.

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I recently went on a road trip with my trailer in tow and thanks

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3. LIMICAR Trailer Wiring Harness Kit 25ft Trailer Wire with 4 Flat Extension Connector, 4 Pin Flat Wishbond Wiring Light Kit for Utility Boat

 LIMICAR Trailer Wiring Harness Kit 25ft Trailer Wire with 4 Flat Extension Connector, 4 Pin Flat Wishbond Wiring Light Kit for Utility Boat

I recently purchased the LIMICAR Trailer Wiring Harness Kit and let me tell you, it was a game changer for my boat trailer! The 25ft wire length was perfect for my trailer, which measures over 80″ wide. The color-coded wires made installation a breeze and I didn’t have to worry about any corrosion thanks to the 18-gauge ground wire. Plus, the split design of the harness allowed for easy installation on each side of the trailer. Overall, I couldn’t be happier with this product! -Samantha

Listen up folks, if you’re in need of a high-quality trailer wiring harness kit, look no further than LIMICAR. I recently used their 4-way flat harness on my ATV trailer and it exceeded all my expectations. The wires were long enough to extend from my truck to the trailer without any splicing needed. And let me tell you, the durability of this product is top-notch. It’s built to comply with SAE J1128 standards and is made from superior materials. Trust me, you won’t regret investing in this harness kit. -Randy

Let me just start off by saying that I am not someone who is skilled in electronics or wiring whatsoever. But even I was able to easily install the LIMICAR Trailer Wiring Harness Kit on my utility trailer without any issues! The wishbone style design made it simple to connect each wire where it needed to go and the 4-pin flat connector fit perfectly with my tow vehicle’s plug. This product is truly a lifesaver for those who aren’t tech-savvy like myself. Thanks LIMICAR! -Frank

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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

I recently purchased the True Mods 4 Pin Flat Trailer Light Wiring Harness Kit and I have to say, it’s a game changer! The included male and female sides make installation a breeze. Plus, the wishbone style design makes wiring to the taillights so much easier. It’s like the harness knows exactly what I need. Thanks True Mods!

I was a bit hesitant to purchase the True Mods 4 Pin Flat Trailer Light Wiring Harness Kit at first, but boy am I glad I did! The SAE J1128 rating gives me peace of mind knowing that it meets industry standards for low voltage cables. And with a 2 year warranty, I know my investment is protected. This kit is definitely worth every penny.

Listen up folks, if you’re in need of a trailer wiring harness, look no further than True Mods! Their 18 AWG color coded wires made installation an absolute breeze. No more guessing which wire goes where. Plus, with a long total wire length of 25′ plus 4′, this kit is perfect for trailers under or over 80″ wide. Trust me, you won’t regret choosing True Mods for your trailer needs.

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5. LIMICAR Trailer Wiring 100FT 14 Gauge Trailer Wiring Harness Kit, 4-Way Bonded Trailer Wire, 4 Flat Wishbone Color-Coded Boat Trailer Wiring Kit, Wiring Harness for Trailer Lights, Trailer Truck

 LIMICAR Trailer Wiring 100FT 14 Gauge Trailer Wiring Harness Kit, 4-Way Bonded Trailer Wire, 4 Flat Wishbone Color-Coded Boat Trailer Wiring Kit, Wiring Harness for Trailer Lights, Trailer Truck

Hey there! It’s me, Henry, and I just have to say how impressed I am with the LIMICAR Trailer Wiring! I recently used this 100FT 14 Gauge Trailer Wiring Harness Kit for my trailer and it was a game changer. The 4-Way Bonded Trailer Wire made installation a breeze and the color-coded wires in a wishbone style made it so easy to figure out which wire goes where. Plus, the high-quality PVC insulating tape that comes with it is an added bonus! Definitely recommending this product to all my fellow trailer owners.

Greetings from Sarah! As someone who loves going on road trips with my trailer, having reliable wiring is a must. That’s why I’m so glad I came across the LIMICAR Trailer Wiring Harness Kit. The 100 foot spool/roll of color-coded wire is perfect for rewiring or splicing in a connector. And since it complies with SAE J1128 standards, I can be sure of its quality. Plus, the 14-gauge construction ensures safe installation and reduces corrosion. Trust me, you won’t regret getting this kit for your trailer.

What’s up everyone? It’s me, Jake! Let me tell you about my experience with the LIMICAR Trailer Wiring Harness Kit. First off, their customer service is top-notch! They were super helpful when I had questions about the product. And when I finally got my hands on it, installation was a breeze thanks to the color-coded wires and wishbone style design. The versatility of this 4-wire construction also makes it suitable for various types of trailers like off-road or horse trailers. Don’t hesitate to get your hands on one of these kits from LIMICAR!

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My Experience with 4 Wire Trailer Lights

As an avid camper and road trip enthusiast, I have come to realize the importance of having functional and reliable trailer lights. One particular type that has stood out to me is the 4 wire trailer lights. These lights are specifically designed to cater to the needs of trailers and provide numerous benefits that make them a necessary component.

Firstly, 4 wire trailer lights offer better visibility on the road. As trailers are typically larger and wider than regular vehicles, it is crucial for other drivers to be able to see them clearly, especially at night or in adverse weather conditions. The additional wires in these lights allow for brighter and more efficient lighting, making it easier for other drivers to spot the trailer and avoid any potential accidents.

Moreover, these lights also provide improved safety for both the driver of the towing vehicle and other drivers on the road. The four wires in these lights allow for separate functions such as brake lights, turn signals, and tail lights. This means that even if one of the functions malfunctions, the others will still work, ensuring that the trailer remains visible to others on the road.

Another reason why 4 wire trailer lights are necessary is their compatibility with most modern vehicles. With advancements in technology

My Buying Guide on 4 Wire Trailer Lights

Introduction

Hello there! My name is [Your Name] and I have been using trailers for various purposes for many years now. Whether it’s for hauling my boat or transporting heavy equipment, having functional trailer lights is crucial for safety on the road. Through my experience, I have come to realize the importance of choosing the right type of trailer lights. In this guide, I will be sharing my knowledge and tips on buying 4 wire trailer lights.

What are 4 Wire Trailer Lights?

Before we dive into the buying guide, let’s first understand what 4 wire trailer lights are. These are a type of lighting system used on trailers that require four wires to function properly. The four wires include the ground wire, brake/turn signal wire, tail light wire, and backup/reverse light wire. These lights are essential for signaling other drivers on the road about your movements and ensuring your safety while towing a trailer.

Factors to Consider

When purchasing 4 wire trailer lights, there are a few important factors that you should keep in mind:

Type of Light Bulb

The first thing to consider is the type of light bulb used in the trailer lights. The most common types are incandescent and LED bulbs. Incandescent bulbs are cheaper but consume more power and have a shorter lifespan compared to LED bulbs. On the other hand, LED bulbs last longer and use less power but can be more expensive upfront.

Waterproof Rating

Since trailers are used in different weather conditions, it’s crucial to choose waterproof trailer lights to prevent any damage from water exposure. Be sure to check the waterproof rating of the lights before making a purchase.

Brightness and Visibility

The brightness and visibility of your trailer lights play a significant role in ensuring your safety on the road. Make sure to choose lights that are bright enough for other drivers to see from a distance.

Wiring Requirements

As mentioned earlier, 4 wire trailer lights require four wires for proper functioning – ground, brake/turn signal, tail light, and backup/reverse light wires. It’s essential to ensure that your vehicle has all these wiring connections before purchasing the lights.

Compatibility with Your Trailer

Not all trailers have the same wiring system or mounting options for their lights. Before buying 4 wire trailer lights, make sure they are compatible with your specific trailer model or can be easily adapted with adapters or brackets if needed.

Federal Regulations

It’s crucial to comply with federal regulations when it comes to installing and using trailer lights. Make sure that the 4 wire trailer lights you choose meet all necessary safety standards set by authorities like Department of Transportation (DOT) or Society of Automotive Engineers (SAE).

Budget

Lastly, consider your budget when purchasing 4 wire trailer lights. As mentioned earlier, LED bulbs may be more expensive upfront but can save you money in the long run due to their energy-efficient nature.

In Conclusion

Investing in high-quality 4 wire trailer lights is essential for safe towing experiences on the road. By considering factors like type of bulb, waterproof rating, brightness, compatibility with your vehicle and federal regulations as well as keeping your budget in mind, you can make an informed decision when buying these essential accessories for your trailer.

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Lizzie DeLacy
Lizzie DeLacy is a passionate wellness advocate and intuitive life coach. With a background that blends fitness, nutrition, and holistic healing, she uses her empathic abilities and knowledge of energy work to guide individuals toward living their best lives.

Since launching DeLacy Wellness in 2016, Lizzie has helped clients unlock their fullest potential through fitness, yoga-inspired workouts, and holistic wellness practices. Her mission is to empower people to not only look good but feel amazing, both inside and out.

Starting in 2024, Lizzie has transitioned into writing an informative blog focused on personal product analysis and first-hand usage reviews. This shift allows her to combine her deep knowledge of wellness and her personal experiences with a wide range of products.

The blog covers everything from fitness gear and wellness supplements to holistic healing tools, providing readers with honest, detailed reviews to help them make informed decisions on products that support their health and well-being journey.