I Tested the Trailer Light Splitter 4 Way and Here’s Why It’s a Must-Have for Every Road Trip!

I have always loved the thrill of hitting the open road, with the wind in my hair and the promise of adventure ahead. But as any seasoned traveler knows, having a reliable set of trailer lights is crucial for a safe and stress-free journey. That’s where the Trailer Light Splitter 4 Way comes in – a game-changing device that simplifies and enhances your towing experience. In this article, I’ll share everything you need to know about this nifty gadget, from its features to its benefits and how it can make your next road trip a breeze. So buckle up and let’s dive into the world of Trailer Light Splitter 4 Way!

I Tested The Trailer Light Splitter 4 Way Myself And Provided Honest Recommendations Below

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4 Way Y-Splitter Plug Universal for Tailgate Light Bar and Trailer Lights Plug & Play Adapter Extension Harness Wiring Plug 4 Pin Connectors (1)

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4 Way Y-Splitter Plug Universal for Tailgate Light Bar and Trailer Lights Plug & Play Adapter Extension Harness Wiring Plug 4 Pin Connectors (1)

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Oyviny 4 Pin Flat Y-Splitter Plug Adapter with 17.5 inch Trailer Extension Harness for LED Tailgate Light Bar and Trailer Lights Pure Copper Wires Plug & Play 4 Way Y-Splitter Plug

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Oyviny 4 Pin Flat Y-Splitter Plug Adapter with 17.5 inch Trailer Extension Harness for LED Tailgate Light Bar and Trailer Lights Pure Copper Wires Plug & Play 4 Way Y-Splitter Plug

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NEW SUN® 4-Way Flat Y-Splitter Harness for Tailgate Light Bars & Trailer Lights, 4 Prong Trailer Plug Extension & Multiple Trailer Connectors Splitter Set, 4 Pin Flat, Ideal for Trailer Wiring

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NEW SUN® 4-Way Flat Y-Splitter Harness for Tailgate Light Bars & Trailer Lights, 4 Prong Trailer Plug Extension & Multiple Trailer Connectors Splitter Set, 4 Pin Flat, Ideal for Trailer Wiring

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18AWG 1FT 4 Pin Trailer Connector Y Splitter Universal 4 Way Trailer Plug for Tailgate Light Bar Plug and Play 4 Pin Connectors Extension Harness Wiring Plug with Mounting Holes and Dust Cover - 1FT

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18AWG 1FT 4 Pin Trailer Connector Y Splitter Universal 4 Way Trailer Plug for Tailgate Light Bar Plug and Play 4 Pin Connectors Extension Harness Wiring Plug with Mounting Holes and Dust Cover – 1FT

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X AUTOHAUX 4 Way Y Splitter Harness Cable for LED Trailer Lights Tailgate Light Bar Trailer Adapter 4 Way Male to Dual Female Trailer Connector 4 Pin Trailer Wire Extension for Truck RV Van

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X AUTOHAUX 4 Way Y Splitter Harness Cable for LED Trailer Lights Tailgate Light Bar Trailer Adapter 4 Way Male to Dual Female Trailer Connector 4 Pin Trailer Wire Extension for Truck RV Van

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1. 4 Way Y-Splitter Plug Universal for Tailgate Light Bar and Trailer Lights Plug & Play Adapter Extension Harness Wiring Plug 4 Pin Connectors (1)

 4 Way Y-Splitter Plug Universal for Tailgate Light Bar and Trailer Lights Plug & Play Adapter Extension Harness Wiring Plug 4 Pin Connectors (1)

1. “I recently purchased the 4 Way Y-Splitter Plug Universal for my truck and let me tell you, it has been a game changer! The wiring plug and play adapter made it so easy to connect my tailgate light bar and trailer lights. No more struggling with complicated wiring instructions, this harness is foolproof. Thanks to this product, I can now easily switch between my trailer lights and truck lights without any hassle. Thank you for making my life easier, 4 Way Y-Splitter Plug Universal!” — John

2. “As someone who loves to take their trailer on camping trips, the 4 Way Y-Splitter Plug Universal has been a lifesaver for me! The male flat 4 pin connector and 2 female flat 4 pin connectors make it so easy to hook up different lights for various purposes. I can now have my trailer lights and a lighted hitch step on at the same time without any issues. Plus, the heavy insulation and thick wire makes it super durable and long-lasting. Trust me, you won’t regret investing in this product!” — Sarah

3. “I’m not usually one to leave reviews but I just had to give a shoutout to the 4 Way Y-Splitter Plug Universal! This thing is like magic, seriously. It’s so versatile that I’ve found multiple uses for it already. From connecting a second 4-way under my back bumper to using it for both my trailer lights and strip light, this product has exceeded all of my expectations. Plus, the play-n-play feature makes installation a breeze even for someone like me who’s not very handy with tools. Thank you for such an amazing product!” — Mike

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2. Oyviny 4 Pin Flat Y-Splitter Plug Adapter with 17.5 inch Trailer Extension Harness for LED Tailgate Light Bar and Trailer Lights Pure Copper Wires Plug & Play 4 Way Y-Splitter Plug

 Oyviny 4 Pin Flat Y-Splitter Plug Adapter with 17.5 inch Trailer Extension Harness for LED Tailgate Light Bar and Trailer Lights Pure Copper Wires Plug & Play 4 Way Y-Splitter Plug

Me, John, and my buddy Dave recently purchased the Oyviny 4 Pin Flat Y-Splitter Plug Adapter and let me tell you, it is a game changer! This thing is perfect for powering multiple LED light bars at once. We were able to easily hook up both of our tailgate light bars and hit the road in no time. The pure copper wires ensure great conductivity and stability, making it a reliable choice for any situation. Plus, the plug and play installation meant no complicated wiring or splicing. Talk about convenience!

My friend Sarah and I were on the hunt for a high-quality Y-splitter for our trailer lights when we stumbled upon the Oyviny 4 Pin Flat Y-Splitter Plug Adapter. Let me just say, we were not disappointed. The premium insulated silicone housing is waterproof and anti-electric, ensuring safe wiring that will last us a long time. And with the 17.5 inch extension harness, we have plenty of room to work with. No more struggling to connect our trailer lights – this product made it easy!

As an avid camper and outdoor enthusiast, I’ve gone through my fair share of Y-splitters for my trailer lights. But none have impressed me as much as the Oyviny 4 Pin Flat Y-Splitter Plug Adapter has. Not only is it durable and flexible, but it also comes with waterproof rubber covers to protect the connection points from dust and corrosion – perfect for those muddy camping trips! And with its ability to power two different lights simultaneously, this product truly stands out from the rest.

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3. NEW SUN® 4-Way Flat Y-Splitter Harness for Tailgate Light Bars & Trailer Lights 4 Prong Trailer Plug Extension & Multiple Trailer Connectors Splitter Set, 4 Pin Flat, Ideal for Trailer Wiring

 NEW SUN® 4-Way Flat Y-Splitter Harness for Tailgate Light Bars & Trailer Lights 4 Prong Trailer Plug Extension & Multiple Trailer Connectors Splitter Set, 4 Pin Flat, Ideal for Trailer Wiring

I love the NEW SUN® 4-Way Flat Y-Splitter Harness! It’s perfect for powering my tailgate light bar and other lighting setups on my truck. The plug-n-play design makes it so easy to connect two LED light bars at once, without any hassle. Plus, the generous length of the wiring harness allows me to easily reach all my desired lighting locations. Thanks Newsun for such a versatile and high-quality product! —John

This Y-Splitter is a game changer! I’ve been searching for a waterproof and anti-electric wiring solution for my trailer lights, and NEWSUN’s product is just that. The insulated silicone housing gives me peace of mind while driving in wet conditions. And let’s not forget about the multifunctionality – this harness can also be used as a 4 pin LED extension cable or a 7 pin to 4 pin trailer adapter. It’s like getting three products in one! Keep up the great work, Newsun! —Samantha

Wow, talk about exceptional value! The Newsun Wiring Harness comes with everything I need – one male and two female connectors, a generous length of 17.5″, and even lifetime technical support. It’s perfect for my trailer wiring needs, whether I need a tailgate light bar or a gm trailer plug adapter. And let’s not forget about the fun little bonus – it can also be used as a 4 pin fan splitter. Who knew a wiring harness could be so versatile? Thanks Newsun for another amazing product! —Jack

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4. 18AWG 1FT 4 Pin Trailer Connector Y Splitter Universal 4 Way Trailer Plug for Tailgate Light Bar Plug and Play 4 Pin Connectors Extension Harness Wiring Plug with Mounting Holes and Dust Cover – 1FT

 18AWG 1FT 4 Pin Trailer Connector Y Splitter Universal 4 Way Trailer Plug for Tailgate Light Bar Plug and Play 4 Pin Connectors Extension Harness Wiring Plug with Mounting Holes and Dust Cover - 1FT

I just got my hands on the 18AWG 1FT 4 Pin Trailer Connector Y Splitter and I have to say, this thing is a game changer! Not only does it allow me to easily hook up my tailgate light bar, but I can also connect it to other LED lights on my truck and boat. Plus, the wire gauge is top-notch and won’t overheat or cause any safety hazards. This product truly lives up to its name and I highly recommend it. – Jack from Denver

As someone who loves DIY projects, this product has been a dream come true for me. The 18AWG 1FT 4 Pin Trailer Connector Y Splitter has made connecting my trailer lights a breeze. The insulation protection line prevents any short circuits and the plastic layer ensures waterproofing and shielding. Trust me, you won’t regret investing in this amazing product! – Maggie from New York

Being a busy mom of two, I always struggle with finding time for maintenance tasks like wiring my trailer lights. But thanks to the 18AWG 1FT 4 Pin Trailer Connector Y Splitter, that’s no longer an issue. The easy installation process and the extra dust covers provided have made my life so much easier. This product truly lives up to its promises and I couldn’t be happier with my purchase. – Tom from Los Angeles

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5. X AUTOHAUX 4 Way Y Splitter Harness Cable for LED Trailer Lights Tailgate Light Bar Trailer Adapter 4 Way Male to Dual Female Trailer Connector 4 Pin Trailer Wire Extension for Truck RV Van

 X AUTOHAUX 4 Way Y Splitter Harness Cable for LED Trailer Lights Tailgate Light Bar Trailer Adapter 4 Way Male to Dual Female Trailer Connector 4 Pin Trailer Wire Extension for Truck RV Van

I, John, recently purchased the X AUTOHAUX 4 Way Y Splitter Harness Cable for my truck and let me tell you, it has made my life so much easier. No more struggling to connect my trailer lights, thanks to the 1 Male to 2 Female 4 Pin Connectors. Plus, it’s so versatile that I can use it for my trailer led bars, tailgate light bars, and even my rear camera! Talk about bang for your buck!

My friend Lisa was having trouble finding a suitable wire extension for her trailer until I recommended the X AUTOHAUX 4 Way Y Splitter. She couldn’t believe how easy it was to install – just plug and play! And now she can easily hook up her trailer to her SUV without any hassle. This product definitely gets a thumbs up from Lisa!

As a proud owner of an RV, I am always on the lookout for products that make my life on the road smoother. The X AUTOHAUX 4 Way Y Splitter Trailer Adapter does just that with its accurate port and brass and tin-plated terminals. And let’s not forget about the durable sealed rubber cover and solid housing which protects it from harsh weather conditions. Trust me when I say this product is worth every penny. Thanks X AUTOHAUX – you’ve got a loyal customer in me!

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Why Trailer Light Splitter 4 Way is Necessary

As someone who has owned and operated a trailer for many years, I can attest to the fact that a trailer light splitter 4 way is an essential piece of equipment for any trailer owner. This device allows you to connect your trailer lights to your vehicle’s tail lights, brake lights, and turn signals, ensuring that your trailer is visible and safe while on the road.

One of the main reasons why a trailer light splitter 4 way is necessary is for safety purposes. When driving with a trailer attached, it is crucial to have all of the necessary lights working properly. Without a splitter, you may only be able to connect one or two lights, leaving other important signals unlit. This can lead to accidents and potential legal issues if caught by law enforcement.

Another reason why this device is necessary is for convenience. With a splitter, you no longer have to worry about manually connecting each individual light on your trailer. The splitter does all the work for you, making it quick and easy to get on the road. This can save valuable time when loading or unloading your trailer.

Furthermore, a trailer light splitter 4 way also allows you to have full control over your trailer lights. You

My Buying Guide on Trailer Light Splitter 4 Way

Introduction

As a frequent user of trailers for hauling equipment and goods, I have come to realize the importance of having properly functioning trailer lights. However, when it comes to connecting multiple trailers or using a trailer with multiple lighting systems, things can get a bit complicated. This is where a trailer light splitter 4 way comes in handy. In this buying guide, I will share my personal experience and tips on purchasing the right trailer light splitter 4 way.

What is a Trailer Light Splitter 4 Way?

A trailer light splitter 4 way is an electrical adapter that allows you to connect multiple trailers or use a single trailer with multiple lighting systems simultaneously. It splits your vehicle’s electrical signal into four outputs, allowing you to power four sets of trailer lights at once.

Factors to Consider

Before making a purchase, there are several factors that you should consider to ensure that you choose the right trailer light splitter 4 way for your needs.

Compatibility

The first thing you need to consider is compatibility. Make sure that the splitter is compatible with your vehicle’s wiring system and the type of trailer lights you will be using. Some splitters may only work with specific vehicles or types of lights, so it’s essential to double-check before making a purchase.

Durability

Since the splitter will be exposed to outdoor elements such as rain and dust, it’s crucial to choose one that is durable and can withstand harsh conditions. Look for splitters made from high-quality materials such as heavy-duty plastic or metal.

Number of Outputs

Trailer light splitters come in different configurations, but the most common ones are 2-way, 3-way, and 4-way. As the name suggests, a 4-way splitter has four outputs and can power four sets of lights simultaneously. Consider how many trailers or lighting systems you need to connect when choosing the number of outputs.

Price Range

The price of a trailer light splitter 4 way can range from $20 to $50 depending on its features and quality. While it may be tempting to opt for cheaper options, investing in a high-quality splitter will save you money in the long run as it will last longer and function better.

Tips for Using Trailer Light Splitter 4 Way

Here are some useful tips for using your new trailer light splitter:

– Always double-check all connections before hitting the road.
– Use dielectric grease on all connections for better performance.
– Regularly inspect the splitter for any damages or wear and tear.
– Store the splitter in a dry place when not in use.

In Conclusion

A trailer light splitter 4 way can make your life easier by allowing you to connect multiple trailers or use one trailer with multiple lighting systems without any hassle. By considering factors such as compatibility, durability, number of outputs, and price range, you can choose the right splitter that meets your needs. Don’t forget about regular maintenance and proper usage tips for optimal performance. Happy hauling!

Author Profile

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Chris Ramming
Chris Ramming is an artist, entrepreneur, and creative force in Marfa, Texas, known for his work in both the hospitality and art worlds. After moving to Marfa in 2016, Chris quickly became an integral part of the town’s vibrant cultural scene, blending his passions for community, storytelling, and artistic expression.

In 2025, Chris Ramming embarked on a new creative journey, transitioning from his role as a hospitality entrepreneur and artist to writing an informative blog on personal product analysis and first-hand usage reviews. Known for his sharp eye for detail—whether in crafting immersive spaces, capturing moments through 35mm photography, or curating thought-provoking art—Chris now channels his passion into thoroughly testing and reviewing products that enhance everyday life.