20 Best 4 Prong Trailer Plug [2024]

Are you looking for the best 4 Prong Trailer Plug? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling 4 Prong Trailer Plug.

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# Preview Product
1 Hopkins 48192 Endurance Quick Fix Trailer Side 4-Flat Connector Hopkins 48192 Endurance Quick Fix Trailer Side 4-Flat Connector
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
3 Hopkins 48205 4 Wire Flat Connector Set with Splice Connectors Hopkins 48205 4 Wire Flat Connector Set with Splice Connectors
4 Wesbar 787264 Trailer End Connector Wire Wesbar 787264 Trailer End Connector Wire
5 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
6 CURT 58050 Vehicle-Side and Trailer-Side 4-Pin Flat Wiring Harness with 72-Inch Wires CURT 58050 Vehicle-Side and Trailer-Side 4-Pin Flat Wiring Harness with 72-Inch Wires
7 Reese Towpower 78115 Insta-Plug Trailer End Connector with LED Circuit Tester (4 Wire Flat) , Black Reese Towpower 78115 Insta-Plug Trailer End Connector with LED Circuit Tester (4 Wire Flat) , Black
8 Hopkins 47345 4 Wire Flat Adapter Hopkins 47345 4 Wire Flat Adapter
9 Reese Towpower 74124 12' 4-Way Flat Trailer End Connector - Black Reese Towpower 74124 12" 4-Way Flat Trailer End Connector - Black
10 YONHAN 4 Pin to 7 Pin Adapter Trailer Light Adapter 4-Way Flat Truck to 7-Way Blade Reverse Plug... YONHAN 4 Pin to 7 Pin Adapter Trailer Light Adapter 4-Way Flat Truck to 7-Way Blade Reverse Plug...
11 Trailer Plug Adapters 7 Pin to 4 and 5 Flat Blade Trailer Connector for Trailer Tow Hitch,... Trailer Plug Adapters 7 Pin to 4 and 5 Flat Blade Trailer Connector for Trailer Tow Hitch,...
12 CARROFIX Trailer 4 Wire Plug 32' inch 4 Pin Flat Wire Extension Male & Female Connector CARROFIX Trailer 4 Wire Plug 32" inch 4 Pin Flat Wire Extension Male & Female Connector
13 Hopkins 48295 4 Pole Round Matched Set Hopkins 48295 4 Pole Round Matched Set
14 ABN Trailer Wire Extension, 1ft, 4-Way 4-Pin Plug Flat 20 Gauge – Hitch Light Trailer Wiring... ABN Trailer Wire Extension, 1ft, 4-Way 4-Pin Plug Flat 20 Gauge – Hitch Light Trailer Wiring...
15 ​Super repairman Trailer 4-Wire Plug 36' Inch 4 Pin Flat Wire Extension Male and Female Connector... ​Super repairman Trailer 4-Wire Plug 36" Inch 4 Pin Flat Wire Extension Male and Female...
16 SnowyFox 18 Inch RV Generator Adapter with Grip Handle - 30 Amp 4 Prong Locking Male Plug to 30 Amp... SnowyFox 18 Inch RV Generator Adapter with Grip Handle - 30 Amp 4 Prong Locking Male Plug to 30...
17 OPT7 Weatherproof 7 Way Flat Blade to 4 Way Pin Adapter w/Secure Tab - for Trailer Tow Hitch and... OPT7 Weatherproof 7 Way Flat Blade to 4 Way Pin Adapter w/Secure Tab - for Trailer Tow Hitch and...
18 Miady 4-Way Flat to 7-Way Round Blade Trailer Adapter Wiring Plug Connector with Mounting Bracket Miady 4-Way Flat to 7-Way Round Blade Trailer Adapter Wiring Plug Connector with Mounting Bracket
19 MICTUNING 4-Way Flat to 7-Way Round Blade Trailer Adapter Wiring Plug Connector with Mounting... MICTUNING 4-Way Flat to 7-Way Round Blade Trailer Adapter Wiring Plug Connector with Mounting...
20 WOFTD Trailer Plug Adapter 7 Pin Round to 4 and 5 Flat Blade Trailer Connector Trailer Adapter 7 Way... WOFTD Trailer Plug Adapter 7 Pin Round to 4 and 5 Flat Blade Trailer Connector Trailer Adapter 7...
Bestseller No. 1
Hopkins 48192 Endurance Quick Fix Trailer Side 4-Flat Connector
  • Combines the Endurance professional grade with the ease and speed of Quick Fix for a simple repair
  • LED test lights conveniently confirm electrical continuity
  • Durable dust cover to prevent corrosion and wire retention plate included
  • Ergonomic pull finger grips make for easier handling and prevent wire strain
  • Splicing inside the plug protects connections from the elements
Bestseller No. 2
CURT 58030 Trailer-Side 4-Pin Flat Wiring Harness with 12-Inch Wires
  • EASY GRIP. Plugging in your trailer wiring and trailer lights is easy with the ergonomic design of this trailer plug. It features tabs on the top and...
  • RELIABLE CONNECTION. This 4-pin trailer wiring plug comes ready to splice into your existing trailer wiring. It has 16-gauge wires and can be used to...
  • VERSATILE DESIGN. This trailer connector makes a great replacement 4-flat trailer wiring connector. The 4-pin wiring design matches industry-standard...
  • DURABLE CONSTRUCTION. For long-lasting use and a reliable connection, the housing of this 4-pin trailer wiring plug is made from durable black molded...
  • READY TO INSTALL. Equipped with blunt-cut, color-coded wires, this 4-prong trailer wiring plug comes ready to install. The 12-inch wire lead provides...
SaleBestseller No. 3
Hopkins 48205 4 Wire Flat Connector Set with Splice Connectors
  • Includes one 48" vehicle end connector and one 12" trailer end connector
  • Includes 6 splice connectors
  • Wire functions printed on wire for easy reference
  • Corrosion resistant terminals
  • Meets SAE standards
SaleBestseller No. 4
Wesbar 787264 Trailer End Connector Wire
  • 4-Way Flat Wiring Connector;
  • Trailer End;
  • 4 ft. Jacketed Cable;
  • item package weight: 0.222 kilograms
SaleBestseller No. 5
CURT 58671 Vehicle-Side and Trailer-Side 4-Pin Round Wiring Harness Connectors
  • EASY GRIP. Plugging in your trailer wiring and trailer lights is easy with the ergonomic design of these trailer wiring connectors. The trailer plug...
  • VERSATILE DESIGN. These trailer wiring connectors make great replacement 4-flat wiring plugs and socket. They match industry-standard 4-way round...
  • DURABLE CONSTRUCTION. For long-lasting use and a reliable connection, the housing of these 4-pin trailer wiring connectors is made from strong,...
  • RELIABLE CONNECTION. These 4-way round trailer wiring connectors are equipped with locking tabs that secure the plug into the socket when inserted....
  • WEATHER-RESISTANT. To help protect the splice-in wiring connections, these 4-wire trailer plugs feature concealed terminals, keeping the wires from...
SaleBestseller No. 6
CURT 58050 Vehicle-Side and Trailer-Side 4-Pin Flat Wiring Harness with 72-Inch Wires
  • EASY GRIP. Plugging in your trailer wiring and trailer lights is easy with the ergonomic design of these vehicle-trailer connectors. They feature tabs...
  • RELIABLE CONNECTION. These 4-pin trailer wiring plugs come ready to splice into your existing vehicle and trailer wiring. They have 16-gauge wires and...
  • VERSATILE DESIGN. These vehicle-trailer connectors make great replacement 4-flat wiring plugs and sockets. The 4-pin wiring design matches...
  • DURABLE CONSTRUCTION. For long-lasting use and a reliable connection, the housing of these 4-pin trailer wiring plugs is made from durable black...
  • READY TO INSTALL. Equipped with color-coded wires, these 4-prong trailer wiring connectors come ready to install. The 72-inch wire loop provides...
Bestseller No. 7
Reese Towpower 78115 Insta-Plug Trailer End Connector with LED Circuit Tester (4 Wire Flat) , Black
  • Professional series Insta-plug connectors
  • Trailer end, 4 wire flat kit with built-in LED circuit tester
  • Easy to use, no slicing or striping needed
  • Insert wires, close cover and screw down
  • Includes dust cover
Bestseller No. 8
Hopkins 47345 4 Wire Flat Adapter
  • The new patent-pending LED series incorporates built-in trouble-shooting
  • If the trailer lights are not functioning correctly, you can isolate the problem by simply looking at the adapter
  • Includes function testing LEDs
  • 7 Way RV blade to 4 Wire flat
  • Take the guesswork and frustration out of vehicle to trailer wiring
Bestseller No. 9
Reese Towpower 74124 12" 4-Way Flat Trailer End Connector - Black
  • Bonded wire for a neat installation
  • Taillight, stop, and turn functions printed on wire for easy and proper wiring connection
  • Easy one-step connection from vehicle to tow vehicle
  • Part number: 74124
SaleBestseller No. 10
YONHAN 4 Pin to 7 Pin Adapter Trailer Light Adapter 4-Way Flat Truck to 7-Way Blade Reverse Plug...
  • Easy to Use: Converts 4 pin flat truck connector to a standard 7 pin RV blade socket, connects tail reverse turn signals, synchronizes the trailer's...
  • High Quality: The 4 7 trailer adapter uses extremely durable ABS plastic construction instead of PVC, improving the corrosion resistance, oxidation...
  • Dust & Water Proof: The trailer light adapter is Well-sealed spring-loaded keeps out dust and water when not in use, and prolongs its use life....
  • Simple Installation: The 4 way to 7 way trailer adapter comes with a mounting bracket and hardware, conveniently connect the trailer wiring adapter to...
  • What You Get: 1 * 4 Way Flat to 7 Way Blade Trailer Light Adapter with Mounting Bracket, using manual. If you have any questions, don't hesitate to...
Bestseller No. 11
Trailer Plug Adapters 7 Pin to 4 and 5 Flat Blade Trailer Connector for Trailer Tow Hitch,...
  • 7 PIN TO 4/5 PIN -- Converts 7-way round trailer connector to a 4-way or 5-way, RV-style connector
  • TRAILER PLUG -- Applicable for utility RV boat camper trailer car carrier
  • EASY TO USE -- Simple plug-and-play, eliminates the need for cutting or splicing. Hassle free setup, no wiring nor splicing required, Just Plug-N-Play
  • WIDELY USED -- 7 way to 4 way 5 way Trailer Plug works fine with any factory OEM 7-way plug, suitable for Boat, RV, ATV, Chevrolet, Ford, Dodge, RAM,...
  • Brand: HOB4U - THE BEST CUSTOMER SERVICE - If for any reason you're not completely happy with your purchase - if it breaks, if it's damaged in...
Bestseller No. 12
CARROFIX Trailer 4 Wire Plug 32" inch 4 Pin Flat Wire Extension Male & Female Connector
  • Trailer 4 wire extension, color coded heavy duty 18 gauge wires, 32 inch
  • 4 Pin trailer plug 4 way flat connector with sealing cap on the end keeps the leads dry when not in use
  • Constructed with bonded wires for easier installation. 4 way flat output connects tail lights, brake lights and turn signals
  • No need to splice wires, simply extend them with this extender into existing wiring to provide connections for both vehicle and trailer
  • Fits for all types of trailers including marine boat trailer, horse trailer, ATV trailer, and other cargo utility trailer hitches which have a 4-way...
SaleBestseller No. 13
Hopkins 48295 4 Pole Round Matched Set
  • 4 pole round set
  • Contains matched set, tow vehicle end socket and trailer end plug only
  • Die-cast zinc connectors for durability
  • Impact and corrosion resistant
  • Reliable and durable
Bestseller No. 14
ABN Trailer Wire Extension, 1ft, 4-Way 4-Pin Plug Flat 20 Gauge – Hitch Light Trailer Wiring...
  • EFFORTLESS TRAILER WIRING: Use the ABN Trailer Wire Extension, 1’ Foot, 4-Way 4-Pin Plug Flat 20 Gauge – Hitch Light Trailer Wiring Harness...
  • VARIOUS APPLICATIONS: 4-way standard flat light connector with trailer ends; For all types of trailers including marine boat trailer, horse trailer,...
  • BUILT TO LAST: Heavy-duty 20-gauge wires for strength and longevity; Color-coded for your convenience
  • NO SPLICING: No need to splice your new wires, simply extend them with this extender
  • PACKAGE CONTENTS: Package includes (1) 1-foot (30.5cm) extension for your convenience
Bestseller No. 15
​Super repairman Trailer 4-Wire Plug 36" Inch 4 Pin Flat Wire Extension Male and Female Connector...
  • Trailer 4 wire extension, color-coded heavy-duty 20 gauge wires, 36 inch
  • Constructed with bonded wires for easier installation. The 4-way flat output connects tail lights, brake lights and turn signals
  • 4 Pin trailer plug 4-way flat connector with sealing cap on the end keeps the leads dry when not in use
  • No need to splice wires, simply extend them with this extender into existing wiring to provide connections for both vehicle and trailer
  • Fits for all types of trailers including marine boat trailer, horse trailer, ATV trailer, and other cargo utility trailer hitches which have a 4-way...
Bestseller No. 16
SnowyFox 18 Inch RV Generator Adapter with Grip Handle - 30 Amp 4 Prong Locking Male Plug to 30 Amp...
  • RV Generator Adapter - NEMA L14-30P 4 prong locking male plug to NEMA TT-30R female receptacle. 30A 125/250V to 30A 125V, perfect for powering 30 Amp...
  • Ergonomic Grip Handle - Finger grip handle makes plugging or unplugging the cord much easier, avoid straining or damaging the cord. Plugs are molded...
  • Sturdy Construction - The RV generator adapter is made of heavy-duty PVC jacket, anti corrosion, anti wear, ensure for long time use
  • High Conductivity - 100% copper wire has high temperature resistance and greater conductivity, quickly transmit power to your RV
  • 18" Long - Our RV generator adapter is 18" longer for better connection, while most on the market are 12". Perfect for a power connection between your...
SaleBestseller No. 17
OPT7 Weatherproof 7 Way Flat Blade to 4 Way Pin Adapter w/Secure Tab - for Trailer Tow Hitch and...
  • The STRONGEST BEASTS ADAPT: Give your rig the ability to light up any trailer, camper, or accessory
  • STAYS ON TIGHT: Use your 7-pin dust cover to secure your adapter in place. It WILL NOT fall off
  • READY FOR ANY SITUATION: Sealed weatherproof construction with rust resistant prongs and cap cover
  • PERFECT FOR UHAUL, trailers, 5th wheel, and any auxillery lighting
  • FULLY COVERED by our free 90 Days warranty, offered only by OPT7
Bestseller No. 18
Miady 4-Way Flat to 7-Way Round Blade Trailer Adapter Wiring Plug Connector with Mounting Bracket
  • 【Plug-and-Play】 - Convert the car's 4-pin flat socket to the 7-pin blade round socket for the trailer, synchronize the trailer's signal light, and...
  • 【Simple installation】 - Equipped with mounting brackets, screws and nuts, just need to find the right mounting position and tighten the nuts for...
  • 【High quality manufacturing】 - ①The use of pure copper as the inner core, greatly improving the conductivity. ②Adopt high quality PVC shell,...
  • 【Perfectly Protective】 - Highly dustproof with a spring-loaded cover to prevent damage to the adapter from external environment when not in use....
  • 【What you get】 - 1x trailer adapter plug, 1x mounting bracket, 6x screws, 6x nuts. We provide 24*7 friendly customer support and also back our...
Bestseller No. 19
MICTUNING 4-Way Flat to 7-Way Round Blade Trailer Adapter Wiring Plug Connector with Mounting...
  • Make the Wiring Easier - Plug and play, convert the car's 4-pin flat socket to the 7-pin blade round socket for the trailer, synchronize the trailer's...
  • High-quality Manufacturing - Using pure copper as the inner core, greatly improves the electrical conductivity. With the high-quality PVC shell,...
  • Provide Extra Protection - With the spring-loaded cover, high dust-proof, to avoid the adapter damage from the external environment when it is not in...
  • Simple to Install - Equipped with mounting bracket, screws, and nuts, just find the right position to install and tighten the nut to install...
  • Wide Application - Applicable to all towing vehicles that don't require electric brakes, including trailers, semi-trailers, RVs, etc
Bestseller No. 20
WOFTD Trailer Plug Adapter 7 Pin Round to 4 and 5 Flat Blade Trailer Connector Trailer Adapter 7 Way...
  • 7-way Round to a 4-way or 5-way Flat Blade trailer connector, Designed by WOFTD, photographed by WOFTD. RV-style connector.
  • Eliminates the need for cutting or splicing. Hassle free setup, no wiring nor splicing required.
  • The WOFTD trailer plug adapter adopts the 2 in 1 design, which combines 4 way plug with 5 way plug, and can be used by most trailers, easily convert 7...
  • The plug with copper wire link, Not easy to get hot, better electrical conductivity. With a strong casing, it is highly waterproof, wear-resistant,...
  • Please feel free to contact us at first if there is any problem when you receive or use our products. We are always here to support you.

Having trouble finding a great 4 Prong Trailer Plug?

This problem is well understood by us because we have gone through the entire 4 Prong Trailer Plug research process ourselves, which is why we have put together a comprehensive list of the best 4 Prong Trailer Plugs available in the market today.

After hours of searching and using all the models on the market, we have found the best 4 Prong Trailer Plug for 2023. See our ranking below!

How Do You Buy The Best 4 Prong Trailer Plug?

Do you get stressed out thinking about shopping for a great 4 Prong Trailer Plug? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching 4 Prong Trailer Plug, which is why we have assembled a comprehensive list of the greatest 4 Prong Trailer Plug available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for 4 Prong Trailer Plug that you consider buying. Your questions might include the following:

  • Is it worth buying an 4 Prong Trailer Plug?
  • What benefits are there with buying an 4 Prong Trailer Plug?
  • What factors deserve consideration when shopping for an effective 4 Prong Trailer Plug?
  • Why is it crucial to invest in any 4 Prong Trailer Plug, much less the best one?
  • Which 4 Prong Trailer Plug are good in the current market?
  • Where can you find information like this about 4 Prong Trailer Plug?

We’re convinced that you likely have far more questions than just these regarding 4 Prong Trailer Plug, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for 4 Prong Trailer Plug, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible 4 Prong Trailer Plug. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an 4 Prong Trailer Plug buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available 4 Prong Trailer Plug currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of 4 Prong Trailer Plug has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an 4 Prong Trailer Plug?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your 4 Prong Trailer Plug.
  5. Customer Ratings: Number ratings grade 4 Prong Trailer Plug objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their 4 Prong Trailer Plug.
  7. Product Quality: You don’t always get what you pay for with an 4 Prong Trailer Plug, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an 4 Prong Trailer Plug is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining 4 Prong Trailer Plug information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding 4 Prong Trailer Plug is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

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FAQ:

Q: What is a 7 and 4 pole trailer connector?

A: This 7- and 4 -pole trailer connector eliminates the need for an adapter and allows you to tow a trailer with either a 7- or 4 -pole plug. Socket connects to your vehicle’s OEM wiring system …

Q: What gauge wire does 4-way trailer wiring use?

A: What Gauge Wire does 4-Way Trailer Wiring Use Typically 4-way wiring consists of 18 and 16 gauge wires. For a 4-way that has all 16 gauge wire you would want the Wesbar 4-Pole Flat Connector #W787264.

Q: What is a dual connector on a trailer?

A: Features: Dual connector lets you hook up to a trailer with either a 7-pole, RV-style plug or a 4 -way flat plug Pigtail harness hardwires into your vehicle and connects to 7-way socket Includes … 7-Way round plug lets you connect your trailer to the 7-way round blade connector of your tow vehicle.

Q: What is a 7-way round plug?

A: 7-Way round plug lets you connect your trailer to the 7-way round blade connector of your tow vehicle. Interlock system keeps connections in place. Over-sized finger grips for secure disconnections …