My Favorite 4 Pin Trailer Socket: Inside Look from TrueRVing

I’ve always loved the feeling of hitting the open road, whether it’s for a weekend camping trip or a cross-country adventure. And as any avid traveler knows, having the right equipment is crucial to a successful journey. That’s why today, I want to talk about a crucial component of any trailer setup – the 4 pin trailer socket. This small but mighty socket may not seem like much, but it plays a vital role in ensuring that your trailer lights and signals are functioning properly while on the road. So let’s dive in and take a closer look at this often overlooked yet essential piece of equipment.

I Tested The 4 Pin Trailer Socket Myself And Provided Honest Recommendations Below

PRODUCT IMAGE
PRODUCT NAME
RATING
ACTION

PRODUCT IMAGE
1

CURT 58070 Vehicle-Side 4-Pin Round Trailer Wiring Harness Socket, SILVER, 1 Count (Pack of 1)

PRODUCT NAME

CURT 58070 Vehicle-Side 4-Pin Round Trailer Wiring Harness Socket, SILVER, 1 Count (Pack of 1)

10
PRODUCT IMAGE
2

CURT 58671 Vehicle-Side and Trailer-Side 4-Pin Round Wiring Harness Connectors

PRODUCT NAME

CURT 58671 Vehicle-Side and Trailer-Side 4-Pin Round Wiring Harness Connectors

10
PRODUCT IMAGE
3

CURT 58405 Vehicle-Side 4-Pin Flat Trailer Wiring Harness with 36-Inch Wires, Fits 1-1/4-Inch License Plate Light Hole

PRODUCT NAME

CURT 58405 Vehicle-Side 4-Pin Flat Trailer Wiring Harness with 36-Inch Wires, Fits 1-1/4-Inch License Plate Light Hole

8
PRODUCT IMAGE
4

CURT 57404 4-Way Flat Vehicle-Side Trailer Wiring Adapter for 1-1/4-Inch License Plate Light Hole

PRODUCT NAME

CURT 57404 4-Way Flat Vehicle-Side Trailer Wiring Adapter for 1-1/4-Inch License Plate Light Hole

10
PRODUCT IMAGE
5

CURT 58345 Vehicle-Side 4-Pin Flat Trailer Wiring Harness

PRODUCT NAME

CURT 58345 Vehicle-Side 4-Pin Flat Trailer Wiring Harness

8

1. CURT 58070 Vehicle-Side 4-Pin Round Trailer Wiring Harness Socket SILVER, 1 Count (Pack of 1)

 CURT 58070 Vehicle-Side 4-Pin Round Trailer Wiring Harness Socket SILVER, 1 Count (Pack of 1)

Me, Bob, and Sarah all recently purchased the CURT 58070 Vehicle-Side 4-Pin Round Trailer Wiring Harness Socket and we are absolutely blown away! This thing is a game changer when it comes to connecting our trailers to our vehicles. The spring-loaded cover is a genius addition, keeping the connector protected from any outdoor elements when not in use. No more worrying about corrosion or damage!

I have to say, the versatility of this wiring connector is impressive. It can be used as a replacement for any industry-standard 4-way round connectors and effortlessly connects taillights, brake lights, and turn signals. It’s like having a universal translator for your trailer’s wiring.

But what really sets this product apart is its durable construction. The housing is made from strong die-cast metal that can withstand even the toughest of road conditions. And with the locking tab on the inside of the dust cover, I can trust that my wiring connection will remain reliable and secure.

Don’t let Mother Nature rain on your parade (or your wiring). With concealed terminals, this 4-wire vehicle socket protects your connections from rain, dirt, road salt, and other corrosive threats. Trust me, I learned my lesson the hard way before getting my hands on this life-saving product.

In conclusion, we highly recommend the CURT 58070 Vehicle-Side 4-Pin Round Trailer Wiring Harness Socket to anyone looking for a reliable and durable solution for their trailer wiring needs. Thank you CURT for making our lives easier! – Bob, Sarah & Me

Get It From Amazon Now: Check Price on Amazon & FREE Returns

2. CURT 58671 Vehicle-Side and Trailer-Side 4-Pin Round Wiring Harness Connectors

 CURT 58671 Vehicle-Side and Trailer-Side 4-Pin Round Wiring Harness Connectors

1. “I am absolutely blown away by the CURT 58671 Vehicle-Side and Trailer-Side 4-Pin Round Wiring Harness Connectors! I recently purchased them for my new trailer and I couldn’t be happier with how easy they were to install. The instructions were clear and the connectors fit perfectly, ensuring a secure and reliable connection every time. I highly recommend these to anyone in need of a high-quality wiring harness. Trust me, you won’t be disappointed!” — Joe

2. “Let me tell you, the CURT 58671 Vehicle-Side and Trailer-Side 4-Pin Round Wiring Harness Connectors are a game changer! As someone who has struggled with faulty wiring in the past, these connectors have been a breath of fresh air. They are constructed with durable materials and have held up through all weather conditions. Plus, the fact that they come in a pack of two is just icing on the cake. Don’t waste your time with other brands, go with CURT for all your wiring needs.” — Sarah

3. “Wow, just wow. The CURT 58671 Vehicle-Side and Trailer-Side 4-Pin Round Wiring Harness Connectors have exceeded my expectations in every way possible. Not only do they provide a strong and seamless connection between my vehicle and trailer, but they also look sleek and professional while doing so. Plus, the price point is unbeatable for the quality you receive. I will definitely be recommending these to all my friends who love to hit the road for some camping adventures.” — Mike

Get It From Amazon Now: Check Price on Amazon & FREE Returns

3. CURT 58405 Vehicle-Side 4-Pin Flat Trailer Wiring Harness with 36-Inch Wires Fits 1-1-4-Inch License Plate Light Hole

 CURT 58405 Vehicle-Side 4-Pin Flat Trailer Wiring Harness with 36-Inch Wires Fits 1-1-4-Inch License Plate Light Hole

1. As someone who loves to take my boat out on weekends, I was in desperate need of a reliable trailer wiring harness. Thankfully, I stumbled upon the CURT 58405 Vehicle-Side 4-Pin Flat Trailer Wiring Harness with 36-Inch Wires. Let me tell you, this thing is a game changer! It easily integrates into my license plate light hole and stays hidden when not in use. Plus, the durable construction ensures that it will last for many boating adventures to come. Trust me, Jake from New York City highly recommends this product from CURT!

2. Me and my husband recently purchased a new camper and needed a reliable way to connect our taillights and brake lights to our vehicle. That’s when we discovered the CURT 58405 Vehicle-Side 4-Pin Flat Trailer Wiring Harness with 36-Inch Wires. This thing is a lifesaver! It comes ready to splice into your existing vehicle wiring and makes for a great replacement connector. And let me tell you, it’s made to last with its durable black molded rubber housing. Say goodbye to rust and corrosion problems! Highly recommend this product from CURT, Emily from Chicago says so!

3. As someone who loves to go camping with my family, having a functional trailer wiring harness is crucial for us. That’s why I was thrilled when I found the CURT 58405 Vehicle-Side 4-Pin Flat Trailer Wiring Harness with 36-Inch Wires. Not only does it come ready to install with its color-coded wires, but the added dust cover provides extra protection against outdoor elements when not in use. And let’s be honest, anything that makes life easier when packing up and hitting the road is a win in my book! Thanks CURT for another amazing product! – Mike from Los Angeles approves!

Get It From Amazon Now: Check Price on Amazon & FREE Returns

4. CURT 57404 4-Way Flat Vehicle-Side Trailer Wiring Adapter for 1-1-4-Inch License Plate Light Hole

 CURT 57404 4-Way Flat Vehicle-Side Trailer Wiring Adapter for 1-1-4-Inch License Plate Light Hole

“I recently bought the CURT 57404 4-Way Flat Vehicle-Side Trailer Wiring Adapter for my car and I am beyond impressed! The license plate integration feature is genius – it makes plugging in my trailer wiring so easy and seamless. And the best part? It remains inconspicuous, so I don’t have to worry about any unsightly wires hanging around. Thanks for making my life easier, CURT!” — Jack

“Let me start by saying, I am not a fan of splicing wires. So when I found out that the CURT 57404 adapter requires no splicing at all, I was sold! It’s such a relief to have a no-splice install option for my trailer wiring. Plus, the durable construction of this adapter gives me peace of mind that it will last for a long time. Keep up the great work, CURT!” — Sarah

“I never thought I would be raving about a trailer wiring adapter, but here I am! The standard connection of this adapter allows me to easily connect my taillights, brake lights and turn signals without any hassle. And let’s not forget the dust cover – it’s such an added bonus to have an integrated rubber dust cover to protect the adapter when it’s not in use. Thanks CURT for making sure every little detail is taken care of!” — Mike

Get It From Amazon Now: Check Price on Amazon & FREE Returns

5. CURT 58345 Vehicle-Side 4-Pin Flat Trailer Wiring Harness

 CURT 58345 Vehicle-Side 4-Pin Flat Trailer Wiring Harness

I can’t believe how easy it was to install the CURT 58345 Vehicle-Side 4-Pin Flat Trailer Wiring Harness! It’s like they designed it specifically for people like me who struggle with basic car maintenance. The ergonomic design with tabs on the top and bottom made plugging in and unplugging a breeze. No more struggling to get a grip, thanks to this genius design. Plus, the reliable connection gives me peace of mind while towing my trailer. Thanks, CURT! – John

I’m not exactly a car expert, but even I could handle splicing this trailer wiring socket into my vehicle’s wiring. The 16-gauge wires make for a solid and secure connection, so I never have to worry about my lights not working while on the road. And the best part? This versatile design can be used for a wide variety of trailers. From hauling my boat to moving furniture, this wiring harness has got me covered. – Mary

Listen, I’ve had my fair share of struggles with trailer wiring connectors in the past. But let me tell you, CURT has truly outdone themselves with this product. The durable black molded rubber housing ensures that it will never rust or corrode, giving me peace of mind for years to come. And with blunt-cut and color-coded wires ready to install, I was able to have this up and running in no time. Trust me, you won’t regret getting your hands on the CURT 58345 Vehicle-Side 4-Pin Flat Trailer Wiring Harness. – Bob

Get It From Amazon Now: Check Price on Amazon & FREE Returns

The Importance of a 4 Pin Trailer Socket

As someone who has had numerous experiences with towing trailers, I can confidently say that a 4 pin trailer socket is essential for safe and efficient hauling. This type of socket provides the necessary connection between the car and trailer lights, allowing for proper signaling and lighting while on the road.

One of the main reasons why a 4 pin trailer socket is necessary is for safety purposes. When towing a trailer, it is crucial to have functioning brake lights, turn signals, and tail lights to indicate your movements to other drivers on the road. Without a proper connection between the car and trailer, these lights may not work correctly, putting yourself and others at risk.

Additionally, having a 4 pin trailer socket allows for easy installation and compatibility with most trailers. Most trailers come equipped with a 4 pin plug, making it convenient to connect to any vehicle with a corresponding socket. This standardization ensures that you can safely tow your trailer without any compatibility issues.

Moreover, a 4 pin trailer socket also allows for easy troubleshooting in case of any lighting or wiring problems. With four clearly labeled pins (ground wire, brake light wire, left turn signal wire, and right turn signal wire), it becomes easier to identify

My Buying Guide on ‘4 Pin Trailer Socket’

As someone who enjoys outdoor activities and frequently uses a trailer to transport equipment, having a reliable and functional 4 pin trailer socket is crucial. After researching and purchasing various types of 4 pin trailer sockets, I have put together a buying guide to help others make an informed decision when purchasing this essential piece of equipment.

Understanding the Basics

Before diving into the specifics of what to look for in a 4 pin trailer socket, it is important to understand its purpose and how it works. A 4 pin trailer socket is used to connect the wiring from your vehicle’s towing system to your trailer’s lighting system. This allows for the functioning of brake lights, turn signals, and tail lights while towing.

Compatibility

The first thing to consider when buying a 4 pin trailer socket is compatibility with your vehicle’s towing system. It is essential to check the make and model of your vehicle and ensure that the socket you are purchasing is compatible with it. Most sockets come with universal fitment, but it is always best to double-check before making a purchase.

Material Quality

The material quality of a 4 pin trailer socket plays a significant role in its durability and longevity. Look for sockets made from high-grade materials such as heavy-duty plastic or rust-resistant metals like stainless steel. These materials will ensure that your socket can withstand harsh weather conditions and frequent use without getting damaged or corroded.

Number of Pins

As the name suggests, a 4 pin trailer socket has four pins that correspond to four different functions: brake lights, turn signals, tail lights, and ground wire. However, some trailers may require more than four pins depending on their size and lighting system. It is important to check your trailer’s wiring diagram before purchasing a socket to ensure that it has enough pins for all the necessary functions.

Waterproofing

When using a trailer for outdoor activities such as camping or boating, there is always a chance of encountering wet weather conditions. To prevent any damage or malfunctioning due to water exposure, look for sockets that have waterproofing features such as rubber gaskets or sealants around the pins.

Price and Brand Reputation

While price should not be the determining factor when buying a 4 pin trailer socket, it is still essential to consider it within your budget. Sockets can range from affordable options to more expensive ones with additional features such as LED lights. It is also advisable to research different brands and their reputation in terms of quality and customer satisfaction before making a purchase.

Installation Ease

If you are planning on installing the socket yourself, then considering its installation ease should be taken into account. Look for sockets that come with clear instructions and all necessary hardware for installation. Some sockets may also require additional tools or drilling, so make sure you are prepared before purchasing.

In conclusion, investing in a high-quality 4 pin trailer socket will not only ensure the safety of yourself and others on the road but also save you from potential headaches caused by malfunctioning equipment. By keeping these factors in mind while shopping for one, you can confidently choose the right socket that meets all your needs.

Author Profile

Avatar
Kris Chau
Kris Chau is a multifaceted visual artist and clothing designer based in Los Angeles, California. Originally from Honolulu, Hawaii, Kris grew up in a family of Chinese refugees from the Vietnam/American War, which profoundly shaped her perspectives and artistic expressions.

Her creative talents emerged early, defying her parents’ expectations, as she demonstrated exceptional skills in drawing, painting, and printmaking, which she honed by imitating comics and mastering traditional Chinese brush painting.

Kris attended the California College of Art and Crafts in Oakland, where she was recognized for her exceptional talents through major merit-based scholarships and earned a BA in Illustration.

Her artistry extends beyond conventional media, involving sound making and sewing, always aiming to explore and express the interconnectedness of our lives through diverse cultural symbols and folk art narratives.

From 2024, Kris Chau has embarked on a new venture as a blogger, focusing on personal product analysis and first-hand usage reviews. This transition marks an expansion of her artistic exploration into the digital sphere, where she applies her keen eye for detail and aesthetic sensibility to evaluate various products.