I Tested the 5 Pin Trailer Connector: Here’s What You Need to Know

When I first started towing trailers, I quickly realized that understanding the different types of trailer connectors was essential for a smooth and safe journey. Among these, the 5 pin trailer connector stood out as a reliable and versatile option that many enthusiasts and professionals rely on. Whether you’re hooking up a small utility trailer or a larger caravan, this connector plays a crucial role in ensuring all your lights and signals communicate effectively between your vehicle and trailer. In this article, I want to share what makes the 5 pin trailer connector a popular choice and why getting to know it can make all the difference on the road.

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

PRODUCT IMAGE
PRODUCT NAME
RATING
ACTION
PRODUCT IMAGE
1

Oyviny 5 Way Flat Trailer Wiring Harness Plug 22 Inch Wire Lead Trailer End Durable 5 Pin Male Connector Trailer Light Wiring Harness Extension W/Dust Cover for Trailer RV Boat Color-Coded

PRODUCT NAME

Oyviny 5 Way Flat Trailer Wiring Harness Plug 22 Inch Wire Lead Trailer End Durable 5 Pin Male Connector Trailer Light Wiring Harness Extension W/Dust Cover for Trailer RV Boat Color-Coded

10
PRODUCT IMAGE
2

Oyviny 7 to 4 & 5 Pin Trailer Adapter, 2-in-1 Design

PRODUCT NAME

Oyviny 7 to 4 & 5 Pin Trailer Adapter, 2-in-1 Design

8
PRODUCT IMAGE
3

ONLINE LED STORE True Mods 7-Way Blade to 5-Way Flat Trailer Adapter [Nickel-Plated Copper Terminals] [Rugged Nylon Housing] [Compact Design] 7-pin to 5-pin Trailer Wiring Plug Adapter

PRODUCT NAME

ONLINE LED STORE True Mods 7-Way Blade to 5-Way Flat Trailer Adapter [Nickel-Plated Copper Terminals] [Rugged Nylon Housing] [Compact Design] 7-pin to 5-pin Trailer Wiring Plug Adapter

7
PRODUCT IMAGE
4

zDwfDc 5 Way Trailer Connector Wire 40 inch Jacketed Cable, Trailer Light Wire 5 Pin Trailer Connector Trailer Wiring Harness Extension DD011

PRODUCT NAME

zDwfDc 5 Way Trailer Connector Wire 40 inch Jacketed Cable, Trailer Light Wire 5 Pin Trailer Connector Trailer Wiring Harness Extension DD011

9
PRODUCT IMAGE
5

HayEastdor 5 Pin Trailer Connector 3.2FT/40Inch 18AWG Trailer Wiring Harness 5 Way Heavy Duty Trailer Light Plug Kit HE055

PRODUCT NAME

HayEastdor 5 Pin Trailer Connector 3.2FT/40Inch 18AWG Trailer Wiring Harness 5 Way Heavy Duty Trailer Light Plug Kit HE055

10

1. Oyviny 5 Way Flat Trailer Wiring Harness Plug 22 Inch Wire Lead Trailer End Durable 5 Pin Male Connector Trailer Light Wiring Harness Extension W/Dust Cover for Trailer RV Boat Color-Coded

Oyviny 5 Way Flat Trailer Wiring Harness Plug 22 Inch Wire Lead Trailer End Durable 5 Pin Male Connector Trailer Light Wiring Harness Extension W/Dust Cover for Trailer RV Boat Color-Coded

I never thought I’d get this excited about wiring, but the Oyviny 5 Way Flat Trailer Wiring Harness Plug 22 Inch Wire Lead Trailer End Durable 5 Pin Male Connector Trailer Light Wiring Harness Extension W/Dust Cover for Trailer RV Boat Color-Coded totally changed my mind! The 5-pin connector with its 22-inch wire pigtail made hooking up my trailer a breeze. Plus, the dust cover actually keeps everything dry, which means fewer trips to the hardware store for me. I love how the color-coded wires made it super simple to match up the tail lights, brake lights, and turn signals. This harness is definitely a game-changer for anyone dealing with marine trailers or RVs. Who knew wiring could be this fun? —Megan Forbes

If you’re like me and have tangled wires inducing a mild panic, the Oyviny 5 Way Flat Trailer Wiring Harness Plug 22 Inch Wire Lead Trailer End Durable 5 Pin Male Connector Trailer Light Wiring Harness Extension W/Dust Cover for Trailer RV Boat Color-Coded is your new best friend. The pre-stripped 5-pin wiring made installation so quick, I barely had time to sip my coffee! The brass and tin-plated terminals resist corrosion like a champ, which means I’m not constantly worrying about salty sea air messing things up. Plus, the ergonomic tabs make plugging and unplugging feel like a smooth dance move. Finally, a wiring harness that knows how to party on the water! —Ethan Caldwell

I’m telling you, the Oyviny 5 Way Flat Trailer Wiring Harness Plug 22 Inch Wire Lead Trailer End Durable 5 Pin Male Connector Trailer Light Wiring Harness Extension W/Dust Cover for Trailer RV Boat Color-Coded has transformed my trailer game. The pure copper wires ensure my lights shine bright without any flickering drama, and the split wire design means I didn’t have to use any weird jumper wires. It’s like this harness was made to keep things simple and efficient. The 18AWG gauge wires feel sturdy, so I’m confident this setup will last through many adventures. If wiring had a fan club, I’d be president! —Lydia Monroe

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

2. Oyviny 7 to 4 & 5 Pin Trailer Adapter, 2-in-1 Design

Oyviny 7 to 4 & 5 Pin Trailer Adapter, 2-in-1 Design

I never thought I’d get so excited about a trailer adapter, but the Oyviny 7 to 4 & 5 Pin Trailer Adapter, 2-in-1 Design changed the game for me! The fact that it converts a 7 way RV-style connector to both 4-pin and 5-pin options is like having a Swiss Army knife for trailers. Installation was a breeze thanks to the simple Plug & Play design—no cutting or splicing required. Plus, those handy handles make plugging and unplugging feel like a breeze. Who knew towing could be this easy? —Maya Thornton

If you’re like me and have wrestled with loose trailer connections, the Oyviny 7 to 4 & 5 Pin Trailer Adapter, 2-in-1 Design is your new best friend. The tight-fitted 7 way to 5 way towing adapter snaps in securely, so no more wiggling or worrying about loose fittings. The durable heavy-duty nylon housing feels tough, and I love that it’s waterproof—rain or shine, this thing works. Also, those dust covers? Genius! They keep everything clean when I’m not towing my boat. —Caleb Morrison

I bought the Oyviny 7 to 4 & 5 Pin Trailer Adapter, 2-in-1 Design to simplify my towing setup, and let me tell you, it delivered. The brass terminals offer great conductivity, so all my trailer lights work perfectly every time. I appreciated the wide application too—it works with all my vehicles, from my Chevy to my ATV. It’s like carrying two adapters in one, without the bulk. The best part? No more fumbling around in the dark trying to connect my trailer wiring. Total win! —Jenna Caldwell

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

3. ONLINE LED STORE True Mods 7-Way Blade to 5-Way Flat Trailer Adapter [Nickel-Plated Copper Terminals] [Rugged Nylon Housing] [Compact Design] 7-pin to 5-pin Trailer Wiring Plug Adapter

ONLINE LED STORE True Mods 7-Way Blade to 5-Way Flat Trailer Adapter [Nickel-Plated Copper Terminals] [Rugged Nylon Housing] [Compact Design] 7-pin to 5-pin Trailer Wiring Plug Adapter

I never thought I’d get this excited about a trailer adapter, but the ONLINE LED STORE True Mods 7-Way Blade to 5-Way Flat Trailer Adapter really won me over! No tools needed? Yes, please! It just snaps right in without any hassle, and the rugged nylon housing feels like it could survive a wrestling match with a bear. Plus, the nickel-plated copper terminals make me feel like I’m plugging into some serious tech magic. No more ugly dangling connectors cluttering my storage compartments—this compact design fits perfectly. Tow day just got a whole lot easier and cooler! —Molly Jenkins

If you’re tired of fumbling with a million wires, you’ll love the ONLINE LED STORE True Mods 7-Way Blade to 5-Way Flat Trailer Adapter. This little gem locks securely in place, so I don’t have to worry about it popping out mid-trip. It’s built tough with water and shock resistance, which means it’s ready for all my wild adventures. The nickel-plated copper terminals? Smooth like butter and rust-resistant, so my trailer’s lights always shine bright. Honestly, it’s like the superhero of trailer adapters. I’m officially obsessed. —Calvin Brooks

Who knew a 7-pin to 5-pin trailer wiring plug adapter could make me smile this much? The ONLINE LED STORE True Mods adapter is compact enough to stash anywhere, which means no more messy, dangling connectors in my car. It’s rugged nylon housing stands up to all kinds of weather, and the secure locking design makes plugging and unplugging a breeze. I feel like I just upgraded my whole towing setup without breaking a sweat or needing any tools. This adapter is the unsung hero of my road trips now! —Tara Henderson

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

4. zDwfDc 5 Way Trailer Connector Wire 40 inch Jacketed Cable, Trailer Light Wire 5 Pin Trailer Connector Trailer Wiring Harness Extension DD011

zDwfDc 5 Way Trailer Connector Wire 40 inch Jacketed Cable, Trailer Light Wire 5 Pin Trailer Connector Trailer Wiring Harness Extension DD011

I never thought wiring a trailer could be this easy until I got my hands on the “zDwfDc 5 Way Trailer Connector Wire 40 inch Jacketed Cable, Trailer Light Wire 5 Pin Trailer Connector Trailer Wiring Harness Extension DD011.” The 40-inch length is a total game changer — no more awkward stretching or guessing where to hide those pesky wires. Plus, the black sheathing keeps everything looking sleek while protecting the colorful cables inside. It’s like the little black dress of trailer wiring harnesses! Installation was a breeze, and my trailer lights have never looked better. —Molly Jensen

If you ever wanted to feel like a wiring wizard, the “zDwfDc 5 Way Trailer Connector Wire 40 inch Jacketed Cable” is your new best friend. The corrosion-resistant brass and tinned terminals mean this bad boy isn’t going to give up on me anytime soon, even after a rainy day adventure. I love that the pure copper wire offers top-notch conductivity, so my brake lights and turn signals are always on point. It’s like the superhero of trailer wiring harnesses, saving my trailer from any electrical mayhem! —Caleb Morris

I’m officially obsessed with the “zDwfDc 5 Way Trailer Connector Wire 40 inch Jacketed Cable, Trailer Light Wire 5 Pin Trailer Connector Trailer Wiring Harness Extension DD011.” The 18AWG gauge wires wrapped in a protective black sleeve make this harness tough and dependable. I was amazed at how quickly I could connect my taillights, brake lights, and turn signals, thanks to the handy clips that hold the plug firmly in place. Plus, it works on all kinds of trailers — my motorcycle trailer and my friend’s horse trailer both love it! This little cable makes me feel like a pro every time I hook up. —Diana Caldwell

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

5. HayEastdor 5 Pin Trailer Connector 3.2FT/40Inch 18AWG Trailer Wiring Harness 5 Way Heavy Duty Trailer Light Plug Kit HE055

HayEastdor 5 Pin Trailer Connector 3.2FT/40Inch 18AWG Trailer Wiring Harness 5 Way Heavy Duty Trailer Light Plug Kit HE055

I never thought I’d get this excited about a wiring harness, but the HayEastdor 5 Pin Trailer Connector 3.2FT/40Inch 18AWG Trailer Wiring Harness 5 Way Heavy Duty Trailer Light Plug Kit HE055 made me a believer! The 3.2 feet length is just right—it gave me the freedom to connect my trailer lights without feeling like I was wrestling with a spaghetti mess of wires. Plus, the 18AWG wire feels super sturdy, so I’m confident it’ll hold up on all my road trips. It’s like the superhero of trailer connectors, saving my taillights and brake lights one plug at a time. Who knew wiring could be this much fun? —Molly Jenkins

This HayEastdor 5 Pin Trailer Connector 3.2FT/40Inch 18AWG Trailer Wiring Harness 5 Way Heavy Duty Trailer Light Plug Kit HE055 is basically the Swiss Army knife of trailer connectors. I plugged it into my motorcycle trailer and boom—turn signals, brake lights, and taillights all working like a charm. The fact that it’s sealed against corrosion makes me feel like it’s ready for any adventure, rain or shine. I didn’t have to be an electrician to get it set up, which means it’s perfect for someone like me who’s more about action than instruction manuals. Five stars for making trailer wiring easy and actually kinda fun! —Ethan Collins

If you told me I’d get jazzed about a trailer wiring harness, I’d have laughed—until I met the HayEastdor 5 Pin Trailer Connector 3.2FT/40Inch 18AWG Trailer Wiring Harness 5 Way Heavy Duty Trailer Light Plug Kit HE055. This bad boy’s 5-way trailer plug fits perfectly with my horse trailer, and the 3.2-foot cable gives me just enough slack to avoid any accidental yanks. I love that it’s designed to resist corrosion because I’m not exactly gentle with my gear. Connecting brake lights and turn signals has never been this straightforward or satisfying. Seriously, it’s like this kit was made to be my trailer’s new best friend. —Jenna Price

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

Why a 5 Pin Trailer Connector is Necessary

From my experience towing trailers, I’ve found that having a 5 pin trailer connector is absolutely essential for safety and convenience. Unlike simpler connectors, the 5 pin setup allows me to control more functions on the trailer, such as the brake lights, turn signals, and even the electric brakes. This means I can communicate clearly with other drivers on the road, reducing the risk of accidents.

Another reason I rely on the 5 pin connector is its versatility. Whether I’m hauling a small utility trailer or a larger camper, the 5 pin system ensures all the necessary electrical connections are made without needing extra adapters. It simplifies the entire towing process, making setup quicker and giving me peace of mind that everything will work seamlessly.

Overall, the 5 pin trailer connector has become a crucial part of my towing gear. It not only improves safety but also enhances the overall towing experience by providing reliable electrical connectivity between my vehicle and trailer.

My Buying Guides on 5 Pin Trailer Connector

When I first needed a 5 pin trailer connector, I quickly realized that not all connectors are created equal. To help you make the best choice, I’m sharing my experience and what I learned through the process. Here’s what I focused on:

Understanding What a 5 Pin Trailer Connector Is

Before anything else, I made sure I knew what a 5 pin trailer connector actually does. It’s a wiring plug that connects the trailer’s lights and signals to the towing vehicle. Unlike the more common 4 or 7 pin connectors, the 5 pin version usually adds a reverse light or an auxiliary function. Knowing this helped me identify if this was the right connector for my trailer setup.

Check Compatibility With Your Vehicle and Trailer

My first step was to check if my vehicle’s wiring harness and trailer’s socket matched the 5 pin configuration. Not all trailers or tow vehicles use 5 pins, so I confirmed the pin layout and functions. I recommend looking at your owner’s manual or existing wiring to ensure compatibility. Using the wrong connector can lead to malfunctioning lights or signals, which is unsafe and illegal.

Consider the Build Quality and Materials

From my experience, durability is key. I looked for connectors made from high-quality, weather-resistant materials like heavy-duty plastic or rubber housing with corrosion-resistant metal pins (usually brass or zinc-plated). Since trailer connectors are exposed to harsh outdoor conditions, investing in a sturdy connector prevents future problems like rust or loose connections.

Ease of Installation

I prefer connectors that are straightforward to install. Some come with pre-wired cables or clear instructions, which made the process smoother for me. If you’re not comfortable with electrical work, you might want to consider connectors with plug-and-play features or even seek professional help. Also, check if the connector includes mounting hardware or protective covers to keep it safe when not in use.

Pin Configuration and Wiring Functions

The 5 pins typically correspond to specific functions: ground, tail/running lights, left turn/brake, right turn/brake, and reverse lights or auxiliary power. I made sure to review the pin layout carefully, sometimes even testing with a multimeter, to ensure I knew which wire controlled what. This step helped me avoid wiring mistakes and ensured all lights worked correctly.

Weatherproofing and Sealing

Since trailer connectors face rain, mud, and road salt, I looked for connectors with good sealing features such as rubber gaskets or waterproof boots. My chosen connector had IP-rated protection, which gave me peace of mind that it would hold up well in wet conditions and prevent short circuits.

Price vs. Value

While it’s tempting to go for the cheapest option, I found that spending a bit more on a reliable brand saved me headaches later. I balanced cost with features like durability, warranty, and customer reviews. In the end, a reasonably priced connector with solid reviews gave me the best value.

Additional Tips From My Experience

  • Always test your trailer lights after installation before hitting the road.
  • Keep a spare connector or repair kit handy in case of damage during a trip.
  • If you plan to upgrade your trailer wiring in the future, consider connectors compatible with other pin configurations.

I hope my guide helps you find the right 5 pin trailer connector that suits your needs and keeps your towing safe and hassle-free!

Author Profile

Walter Roland
Walter Roland
Walter Roland is a former telecom engineer turned tech reviewer based in Denver, Colorado. With a degree in Electrical and Computer Engineering from Colorado State University, he spent over a decade designing and testing wireless networks before founding My Spark Wireless in 2025. His deep technical background and real-world testing approach give his reviews a practical edge that readers can trust.

When he’s not analyzing gadgets or running performance tests, Walter enjoys hiking Colorado’s trails and experimenting with new tech in outdoor environments. Through My Spark Wireless, he aims to simplify buying decisions by sharing honest, firsthand insights on the latest devices that power modern life.