Trailer Electrical Adapter Plugs of 2025
Best Choice1
CURTCURT 57271 5-Foot 7-Way RV Blade Vehicle-Side to 4-Way Flat Trailer Wiring Adapter Extension Harness , Black
Main highlights- VERSATILE DESIGN. This trailer wiring adapter makes it easy to connect a mismatched vehicle socket and trailer plug, adapting your 7-way RV blade socket connector on your vehicle into a standard 4-way flat
- USEFUL EXTENSION. This trailer hitch wiring adapter comes with a 5-foot coiled harness to provide plenty of extra length to accommodate a variety of towing setups. The coiled cable also helps keep the wiring harness from scraping on the ground
- NO-SPLICE INSTALL. This 7-pin to 4-pin trailer adapter wiring comes ready to plug into your vehicle or trailer wiring with zero splicing required. It can be used to connect the taillights, brake lights and turn signals
- EASY GRIP. Plugging in your trailer wiring and trailer lights is easy with the ergonomic design of this trailer wiring adapter. It features tabs on the sides for a better grip when plugging into the vehicle or unplugging
- DURABLE CONSTRUCTION. For long-lasting use and a reliable connection, the housing of this trailer harness adapter is made from durable black plastic that will never rust or corrode
9.7Exceptional
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Value for Money2
MECMOMECMO Multi-Tow 4-Way Flat to 7-Way RV Blade and 4-Way Flat Female End Trailer Wiring Adapter Connector Kit, 4 Pin Vehicle-Side Trailer Light Plug to Dual-output 7 Blade & 4 Flat with Mounting Bracket
9.7 Easy installation9.3 Waterproof8.7 worth the moneyWhy we love it
Versatile towing with dual 4-pin and 7-pin connectors.
Easy installation with included mounting bracket and hardware.
Durable, weatherproof design with dust covers and silicone seals.
9.6Exceptional
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3
Hopkins Towing SolutionsHopkins 7 Blade to 4 Wire Flat Vehicle To Trailer Connector Adapter Plug, Universal Fit for Vehicles with 7 Blade Adapters (47345)
9.9 Easy installation9.7 Simple to use9.5 worth the moneyWhy we love it
Easy Troubleshooting quickly identify problems.
High Quality Materials durable plastic.
Function Testing take the guesswork out.
9.5Excellent
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4
OyvinyOyviny 7 Way to 4 Way Trailer Plug Adapter, RV Blade 7 Pin Round to 4 Pin Flat Trailer Light Adapter 11.6 Inches
9.9 Simple to use9.7 Durability9.3 WaterproofWhy we love it
Simple plug-and-play installation, no technical skills required.
Durable, weather-resistant construction ensures long-lasting use.
Compatible with various vehicles, including trucks and RVs.
9.4Excellent
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5
MAXXHAULMaxxHaul 70086 7-Way Round to 4-Way Flat Trailer Plug Adaptor with 18 Inch Flexible Cable Which Extends To 36 Inches , Red
Main highlights- Weatherproof Molded Construction with 18" AWG 300 Volt Rated Flexible Cord
- Eliminates the Need for Multiple Plugs and Adapters to Tow Various Vehicles
- Brass Connectors Enables for Solid Electrical Conductivity
- 7-Way to 4-Way Adaptor Does the Job of Otherwise Multiple Plugs and Adaptors
9.3Excellent
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6
Nilight10% OffNilight 7 Pin Round to 7 Way RV Blade Trailer Adapter Connector Wiring Harness Electric Adapter Plug Connector for Semi Truck Commercial Vehicle Pickup Tractor
Main highlights- Well Protected: 7 round to 7 blade trailer wiring is protected by a black nylon wire loom to keep wires bundled together and protect them from wear, ensure long service life.
- Reliable Connection: Sturdy, heavy duty, solid and ready to go. Come with spring-loaded dust cover protect terminal from dust and water. Constructed with dust-free and high-impact glass-filled nylon available for used at any outdoor conditions.
- Plug-N-Play: This trailer connector adapter allows to just plug and go using your existing wiring set up, no more complex splicing wires. 14 inches wire lead between connectors provide flexible installation. Collar with 4 mounting holes lets you mount the socket to your bumper. Built in tabs that lock in using the existing spring loaded cover to secure the plug in place. No more worrying about the plug loosening up during the trip.
- Application: The 7 round to 7 blade adapter harness eliminated time and grief to replace/re-wire the Commercial Style Plug on a farm tractor, allowing use of tail, turn, and brake lights on trailers with blade type connector
- 7 Way Round to 7 Way Blade Adapter: This 7 Pin Round to 7 RV Blade Adapter designed to transfer your vehicle-side 7-Pin Round Socket to a standard 7-Way Blade Plug to be able for towing trailer with 7-way RV-style. 7 Way Round Pin is common found in Semi Truck / Commercial Vehicle / Pickup Truck / Tractor.
9.0Excellent
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7
RvhouseRvhouse 30 Amp to 15 Amp 110V RV Adapter Cord 18 Inch NEMA 5-15P Male to TT-30R Female Power Dogbone with Grip Handle Heavy Duty Electrical Adapter for Trailer Camper
Why we love it
Durable and flame-retardant design.
Waterproof for indoor and outdoor use.
Easy to connect with grip handle.
8.9Very Good
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8
VKVXCLONVKVXCLON 4 Pin to 7 Pin Adapter Trailer Light Adapter with Mounting Bracket 4 Pin to 7 Pin Electrical Connector Wiring Plug Connector Copper Wire Trailer Light Plug for RV Truck Factory Tow Package
Main highlights- Wide Applications : The trailer light adapter compatible with most trailers, semitrailers, caravans, RV and provide flexible installation
- Package include : 4 way to 7 way trailer plug adapter,1 mounting bracket,6 screws,and 6 nuts
- Function : The trailer adapter converts vehicle-side 4 way flat to 7 way blade trailer-side socket, making tight connection between vehicle socket and trailer plug. Don't need splicing of wires,transfers the power from the vehicle to trailer
- Easy to use : The trailer adapter come with mounting bracket,and 6 screws,6 nuts,just find a right position to install and tighten the nut and it is ready to use
- Durable material : 4 pin to 7 pin trailer connector is made from durable ABS plastic construction,prevents rusting and improving the corrosion resistance.The inner core is made of 16 gauge copper wire to enhance the conductive performance, spring loaded cover increases protection against dust
8.8Very Good
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9
NEW SUNNEW SUN® Trailer Plug Adapter, 7-Pin to 4-Pin with Waterproof Cap, 7 Way Round Plug Blade Connector Converts to 4 Way Flat Female Socket. Wiring Harness for Trailer/RV/Lights, Truck, SUV, Boat
Main highlights- ● WATERPROOF PROTECTOR Our Adapter Is Equipped With A Tough Waterproof Cap, Becoming A Fierce Protector Against The Elements. Newsun's Adapter Safeguards The Connection From Moisture And Delivers Reliable Performance In Any Weather. The Weatherproof Construction, With Rust-Resistant Prongs And Cap Cover For 4 Way Flat, Eliminates Water Damage Worries Once And For All.
- ● VERSATILE TRAILBLAZER Compatible With A Wide Range Of Trailers, Including Boat Trailers, Camper Trailers, And Horse Trailers. Newsun's Adapter Is A True Trailblazer In Versatility, Allowing You To Tow Different Types Of Trailers With Ease. No Matter What Your Towing Requirements Are, It's Got You Covered.
- ● SECURE CONNECTION GUARDIAN Designed As A Guardian Of Secure Connections, Newsun's Adapter Ensures A Tight And Stable Fit. It Prevents Accidental Disconnections During Your Journey, Giving You Peace Of Mind. With Support For Customized Plug-In Wiring Systems For Any Towing Situation, You Can Trust It To Keep You Safe On The Road.
- ● SEAMLESS TRANSFORMATION Newsun's Premium 7-Pin To 4-Pin Trailer Plug Adapter Is A True Game-Changer. It Effortlessly Transforms Your Vehicle's 7-Way Round Blade Connector Into A 4-Way Flat Trailer Connector. With Industry-Standard Quality, It Ensures A Flawless Connection Between Your Vehicle And Trailer, Suitable For Various Towing Needs, From Utility Trailers To Cargo Haulers.
- ● EASY INSTALLATION GENIUS Say Goodbye To Complicated Installations. Newsun's User-Friendly Adapter Is An Installation Genius. Simply Plug It Into Your Vehicle's 7-Way Connector And Connect The Trailer's 4-Way Flat Connector. In No Time, You'll Be Ready To Hit The Road With Convenience And Ease.
8.7Very Good
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10
NEW SUNNEW SUN Ultimate Trailer Adapter, 7 Pin to 5 Pin RV Adapter, Connector for Trailers & RV Exterior Accessories, Round Plug 7 Way Blade Connector to 5 Way Flat Connector Waterproof
Main highlights- ● Waterproof and Dustproof: Equipped with a dust cover that effectively prevents dust and moisture ingress, extending the life of the connector and maintaining optimal performance
- ● Tool-Free Installation: Simply plug it in for a quick and hassle-free conversion from 7-pin to 5-pin, saving you time and effort
- ● Thoughtful Packaging, User-Friendly: Includes 7-pin to 5-pin adapter, ensuring users can easily get started
- ● Rust and Corrosion Resistance: Special sealing design prevents corrosion, ensuring safe and reliable electrical connections
- ● Multi-Purpose Compatibility, Wide Application: Suitable for a variety of vehicles including trailers, RVs, and trucks, meeting diverse user needs
8.5Good
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