Top 10 7 Way to 4 Way Flat Connector Towing Trailer Light Adapter – Trailer Connectors

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YONHAN 4 Pin to 7 Pin Adapter Trailer Light Adapter 4-Way Flat Truck to 7-Way Blade Reverse Plug Connector with Mounting Bracket for Towing Solutions

YONHAN #ad - Simple installation: the 4 way to 7 way trailer adapter comes with a mounting bracket and hardware, conveniently connect the trailer wiring adapter to your trailer hitch or bumper. Easy to use: converts 4 pin flat truck connector to a standard 7 pin RV blade socket, plug and play, synchronizes the trailer's signal light, connects tail reverse turn signals, no splicing of wires needed, easy to create custom plug-in wiring systems for towing solutions.

High quality: the 4 7 trailer adapter uses extremely durable ABS plastic construction instead of PVC, oxidation resistance, and high-temperature resistance. If you have any questions, don't hesitate to contact us! What you get: 1 * 4 way flat to 7 way blade trailer Light Adapter with Mounting Bracket, using manual.

Applicable to all towing vehicles that don't require electric brakes, semi-trailers, including trailers, etc. Dust & water proof: the trailer light adapter is well-sealed spring-loaded keeps out dust and water when not in use, RVs, and prolongs its use life. The inner core is made of pure copper, improving the corrosion resistance, which dramatically enhances the conductive performance.
BrandYONHAN #ad
ManufacturerYONHAN #ad
Height3 Inches
Length5.5 Inches
Width4 Inches
Part NumberTC1



ONLINE LED STORE 7-Way Blade to 4-Way Flat Trailer Adapter Nickel-Plated Copper Terminals Rugged Nylon Housing Compact Design 7-pin to 4-pin Trailer Wiring Plug Adapter

ONLINE LED STORE #ad - Locks securely in place - durable nylon housing designed to be latched on by the tow vehicle's socket while finger lugs allow easy removal when needed.

No tools needed - easily adapt your 7-way rv BLADE vehicle socket to 4-WAY FLAT connector used on lightweight trailers. No more ugly dangling connectors - our 7-way blade to 4-way flat adapter eliminates the need of converter wiring harnesses and is compact enough to be stored in any of the vehicle's storage compartments. Rugged nylon housing - Water, temperature, and shock resistant to provide years of reliable service. Exceeds oem specifications - Nickel-plated copper electrical terminals are tough against corrosions while yielding superior conductivity.
ManufacturerONLINE LED STORE #ad
Height1.9 Inches
Length6.5 Inches
Width3.74 Inches
Part NumberACCEPSACP1003

3. OPT7


OPT7 Weatherproof 7 Way Flat Blade to 4 Way Pin Adapter w/Secure Tab, for Trailer Tow Hitch and Redline Tailgate LED

OPT7 #ad - Stays on tight: use your 7-pin dust cover to secure your adapter in place. Fully covered by our free 90 days warranty, offered only by OPT7. The strongest beasts adapt: give your rig the ability to light up any trailer, camper, or accessory. Ready for any situation: Sealed weatherproof construction with rust resistant prongs and cap cover. Perfect for uhaul, trailers, 5th wheel, and any auxillery lighting. It will not fall off.
BrandOPT7 #ad
ManufacturerOPT7 #ad
Height4.33 Inches
Length2.95 Inches
Weight0.31 Pounds
Width1.77 Inches
Part Number900-00121-2
Warranty90 Days Warranty



Black, CURT 57271 5-Foot 7-Way RV Blade Vehicle-Side to 4-Way Flat Trailer Wiring Adapter Extension Harness

CURT #ad - The coiled cable also helps keep the wiring harness from scraping on the ground. 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.

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. 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. Plugging in your trailer wiring and trailer lights is easy with the ergonomic design of this trailer wiring adapter.

Versatile design. This 7-pin to 4-pin trailer adapter wiring comes ready to plug into your vehicle or trailer wiring with zero splicing required. Durable construction. Useful extension. It can be used to connect the taillights, brake lights and turn signals. No-splice install. It features tabs on the sides for a better grip when plugging into the vehicle or unplugging. Easy grip.
BrandCURT #ad
ManufacturerCURT #ad
Height3 Inches
Length9 Inches
Weight0.95 Pounds
Width6 Inches
Part Number57271
WarrantyOne-Year Limited Warranty



MaxxHaul 70086 7-Way Round to 4-Way Flat Trailer Plug Adaptor with 18 Inch Flexible Cable Which Extends To 36 Inches , Red

MAXXHAUL #ad - 7-way to 4-way adaptor does the Job of Otherwise Multiple Plugs and Adaptors. Brass connectors Enables for Solid Electrical Conductivity. Eliminates the need for Multiple Plugs and Adapters to Tow Various Vehicles. Weatherproof molded construction with 18" AWG 300 Volt Rated Flexible Cord.
ManufacturerMaxxtow Towing Products #ad
Height1.77 Inches
Length3.74 Inches
Width2.76 Inches
Part Number70086
Warranty90 days



MICTUNING 4-Way Flat to 7-Way Round Blade Trailer Adapter Wiring Plug Connector with Mounting Bracket

MICTUNING #ad - High-quality manufacturing - using pure copper as the inner core, corrosion-resistant, greatly improves the electrical conductivity. With the high-quality PVC shell, wear-resistant, effectively waterproof and long service life. Simple to install - equipped with mounting bracket, and nuts, screws, just find the right position to install and tighten the nut to install successfully.

Satisfaction defender: buy with confidence, we stand behind our products all the time, 30 days Money Back/Replacement, Worry-free 24-month Warranty, Within 4 Hours Friendly Response,Lifetime Customer Support. 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 use.

Wide application - applicable to all towing vehicles that don't require electric brakes, RVs, including trailers, semi-trailers, etc. Make the wiring easier - plug and play, synchronize the trailer's signal light, convert the car's 4-pin flat socket to the 7-pin blade round socket for the trailer, and customize the plug-in wiring system to connect the trailer, which is very convenient and solves the trouble of rewiring every time.
ManufacturerMICTUNING #ad
Part NumberMIC-HA-359
Warranty2 years warranty

7. Wadoy


Wiring Reverse Plug Connector with Mounting Bracket for Car Truck RV Side to Trailer Side Towing Solutions, RV 7 Pin to 4 Pin Trailer Adapter, 4 Flat to 7 Blade Trailer Light Adapter

Wadoy #ad - Quality guarantee〗Any quality problem will do full refund, Rest assured purchase. Package come with mounting bracket helps to fix. Standard shape, size and capability〗our plugs and sockets are available in all standard connector formats and are designed to give you a reliable connection every time you plug your trailer into your vehicle.

4 flat to 7 blade adapter〗voltage range: 6-24 volts, Converts 4 way flat vehicle end to 7 way blade trailer end; Connects tail reverse turn signals, No splicing of wires needed. Dust caps to keep them well protected from dust, rain and road grime, giving you a solid connection for many miles to come.

Main features〗our connectors are made with quality to be long-lasting and many have bonded wires to keep the connection protected and orderly. Easy to install〗according to installation, different color wire lines compatible different function, you can quickly install it.
BrandWadoy #ad
ManufacturerWadoy #ad
Part Number4 Flat to 7 Way Blade Trailer

8. Nilight


Nilight 4-Way Flat to 7-Way Round RV Blade Trailer Adapter Reverse Plug with mounting Bracket, 2 Years Warranty

Nilight #ad - Commonly used with T-connectors or tail lamp converters with 4-way flat car end connections. 4-pin flat socket designed to be converted to the 7-pin blade round type socket.

Heavy duty black plastic construction prevents rusting, enhances appearance. Package include: 1x trailer Adapter Plug, 1xMounting bracket 6 screws and 6 nuts. Well sealed spring loaded cover increases protection against dust, moisture and corrosion. Works on most vehicle wiring component like turn signals, brakes, reverse light and auxiliary power. Transfers the power from the vehicle to trailer. Wide application: suitable for most trailers, caravans, semitrailers, RV. Voltage range: 6-24 Volts. This adapter converts 4 way flat vehicle end to 7 way blade trailer end, no wiggle-room, makes tight connection between vehicle socket and trailer plug, no loose fittings.
BrandNilight #ad
ManufacturerNilight #ad
Part Number50051R
Warranty2 Years Warranty

9. Reese


7-Way Blade to 4- or 5-Way Flat, LED Circuit Tester,Regular, Reese Towpower 78118 Professional Wiring Adapter

Reese #ad - Durable construction: the reese Towpower Professional Writing Adapter is built with long-lasting corrosion-resistant terminals and tin-plated contacts.

Built-in led tester: circuit tester instantly checks electrical circuit for connectivity and displays the status using high-visibility cool blue LEDs so you can adapt the trailer to vehicle quickly and confirm the connections are correct. Dimensions: 6. 5” x 2. 7” x 2. 5”. Vehicle-to-trailer wiring: adapts any popular vehicle wiring system to your trailer, converting an OEM 7-way blade connector to a standard 4- or 5-way flat connector. Attached dust-cover: tethered dual-use dust cover keeps terminals clean and protected when not in use towing a trailer.
BrandReese #ad
ManufacturerTowpower #ad
Height1.9 Inches
Length6.99 Inches
Weight0.25 Pounds
Width2.9 Inches
Part Number78118
Warranty1 Year

10. HOB4U


HOB4U 4-Way Flat to 7-Way Round Blade Trailer Adapter Wiring Plug Connector with Mounting Bracket for Towing Solutions

HOB4U #ad - Extremely durable ABS plastic construction, weatherproof and corrosion resistance. Works on most vehicle wiring component like turn signals, brakes and auxiliary power. Wiring harness plugs into existing 4-way flat connector and hardware to existing wiring. Simple installation: All necessary mounting bracket and screws+nuts included. Converts your vehicle's 4-way flat trailer connector to a 7-way, RV-style connector, voltage range: 6-24 Volts.
BrandHOB4U #ad
ManufacturerHOB4U #ad
Part NumberHOB4U-Wiring3