Top 10 4-Way Flat to 7-Way Round Blade Trailer Adapter – Trailer Connectors

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1. Kohree


Kohree 4 Way Flat to 7 Way Round Blade Trailer Adapter Plug End 4 pin to 7 pin Electrical Connector with Mounting Bracket for RV, Truck, Car

Kohree #ad - What you'll getlifetime best customer service, 1x 4 way to 7 way adapter plug. Hassle-free setupstandard round 7-way flat blade connector, simple plug-and-play. We are ready to help if you have any worry. Power up any trailer lightskohree heavy duty 4 way to 7 way adapter, ford, rv camper lights or other 4-pin led accessories.

Ultra durabilitykohree trailer connector is made from heavy plastic for lightweight and durability. Protective weatherproof cap, easily and tightly snaps into trailer's existing socket and holds without any wiggle or loose, it's READY for any road condition. This 4 way trailer adapter plug works fine with any factory oem 7-way plug, Dodge, RV, ATV, Chevrolet, well lights up running lights, suitable for Boat, tail lamps, offers a trusted power supply for towing, RAM, Toyota or GMC.

Tight-fitted towing adapter this adapter converts the 4-way flat socket to the 7-way round type socket, connecting tail light, brakes and auxiliary power, reverse light, turn signals, transfer the power from the vehicle to trailer. Well-sealed spring-loaded dust cover protects connector from dusts and corrosion. Brass terminals and tin contact offer better electrical conductivity.
BrandKohree #ad
ManufacturerKohree #ad
Part NumberHY0422-HM



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

MICTUNING #ad - Simple to install - equipped with mounting bracket, and nuts, screws, just find the right position to install and tighten the nut to install successfully. 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.

Wide application - applicable to all towing vehicles that don't require electric brakes, RVs, including trailers, semi-trailers, etc.

With the high-quality PVC shell, corrosion-resistant, effectively waterproof and long service life. High-quality manufacturing - using pure copper as the inner core, wear-resistant, greatly improves the electrical conductivity. 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.
ManufacturerMICTUNING #ad
Part NumberMIC-HA-359

3. Hopkins Towing Solutions


Hopkins 47345 4 Wire Flat Adapter

Hopkins Towing Solutions #ad - If the trailer lights are not functioning correctly, you can isolate the problem by simply looking at the adapter. The new patent-pending LED series incorporates built-in trouble-shooting. Includes function testing LEDs. Take the guesswork and frustration out of vehicle to trailer wiring. 7 way rv blade to 4 Wire flat.
BrandHopkins Towing Solutions #ad
ManufacturerHopkins Manufacturing #ad
Height1.75 Inches
Length6.88 Inches
Weight0.2 Pounds
Width2.88 Inches
Part Number47345
WarrantyHopkins warrants all products to be free from defects in material and workmanship, under normal use and service, for a peirod of 90 days from the date of original purchase, with the exception of the Brake-Force and Impulse brake control items, which are warranted to be free from defects in material and workmanship, under normal use and service, for the original buyer's lifetime



CARROFIX 4 Flat Truck to 7 Way Round Trailer Light Adapter Reverse Plug with Mounting Bracket

CARROFIX #ad - Easily to create custom plug-in wiring systems for towing solutions. Well sealed spring-loaded dust cover protects adapter from elements when leave unused. 4 wire to 7 way trailer blade round, connects tail reverse turn signals. Converts 4 way flat vehicle end to 7 way blade trailer end, voltage range: 6-24 Volts. No splicing of wires needed, plug ends are secure and ready to go.
ManufacturerCARROFIX #ad
Weight0.74 Pounds
Part NumberCRF-1701K-B



NEW SUN 4 Way Flat Truck to 7 Way Round RV Trailer Blade Socket Adapter with Mounting Bracket

NEW SUN #ad - Works with all towing vehicles that don't require electric brakes. Spring-loaded dust cover keeps adapter clean when not in use. The 4-way flat plug connects to your towed vehicle. No splicing of wires needed, flexible wiring harness 5" length. The 7 way blade socket connects to your RV trailers.
BrandNEW SUN #ad
ManufacturerNEW SUN #ad
Weight0.33 Pounds
Part NumberTKB-192



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

YONHAN #ad - Easy to use: converts 4-way flat truck connector to a standard 7-way RV blade socket, synchronize the trailer's signal light, connects tail reverse turn signals, plug and play, no splicing of wires needed, easily to create custom plug-in wiring systems for towing solutions.

Dust & water proof: well-sealed spring-loaded keeps out dust and water when not in use, prolong its using life. Simple installation: comes with mounting bracket and hardware, conveniently connect the trailer wiring adapter to your trailer hitch or bumper. The inner core is made of pure copper, improve the corrosion resistance, greatly improves the conductive performance.

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. High quality: using extremely durable abs plastic construction instead of PVC, oxidation resistance and high temperature resistance.
BrandYONHAN #ad
ManufacturerYONHAN #ad
Height3 Inches
Length5.5 Inches
Width4 Inches
Part NumberTC1

7. OPT7


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

OPT7 #ad - Fully covered by our free 1 year warranty, offered only by OPT7 Lighting. It will not fall off. Stays on tight: use your 7-pin dust cover to secure your adapter in place. The strongest beasts adapt: give your rig the ability to light up any trailer, camper, or accessory. Perfect for uhaul, 5th wheel, trailers, and any auxillery lighting. Ready for any situation: Sealed weatherproof construction with rust resistant prongs and cap cover.
BrandOPT7 #ad
ManufacturerOPT7 #ad
Height4.33 Inches
Length2.95 Inches
Weight0.31 Pounds
Width1.77 Inches
Part Number900-00121-2



CURT 57672 Dual-Output 4-Way Flat Vehicle-Side to 7-Way RV Blade Trailer Wiring Adapter

CURT #ad - It also includes a mounting bracket for convenient attachment to your hitch or bumper. This trailer hitch wiring adapter plugs into any standard 4-way flat and can be used to connect the taillights, turn signals, reverse lights, brake lights, trailer brakes and auxiliary power some splicing required.

This dual-output 4-pin to 7-pin trailer adapter wiring comes ready to plug into your vehicle or trailer wiring with minimal splicing required. 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. Weather-resistant. The wiring harness is also well-protected with the included slit loom sleeve.

Standard connection. This dual-output trailer wiring adapter makes it easy to tow different trailers with your vehicle, equipping it with a standard 7-way RV blade socket while retaining use of the existing 4-way flat wiring. Versatile design. Easy to install. This trailer wiring harness adapter comes with dust covers for the 4-pin and 7-pin wiring sockets to protect the terminals from water, dirt and corrosion. Durable construction.
BrandCURT #ad
ManufacturerCurt Manufacturing #ad
Height2 Inches
Length7 Inches
Weight1.1 Pounds
Width2 Inches
Part Number57672
WarrantyOne-Year Limited Warranty

9. Super repairman


Super repairman 7 Pin Round to 4 Pin 5 Pin Flat Blade Trailer RV Boat Adapter Plug

Super repairman #ad - Lifetime - "super repairman" professional 7 way trailer plug, 7 pin Round to 4 pin or 5 pin Flat Blade Manufacturer. Easy to use - simple plug-and-play, eliminates the need for cutting or splicing.

A replacement or full refund will be guaranteed if you are not satisfied with the item. Widely used - 7 way to 4 way 5 way trailer plug works fine with any factory OEM 7-way plug, ATV, RAM, RV, Chevrolet, Dodge, Ford, suitable for Boat, Toyota or GMC.77pin to 4/5 pin - converts 7-way round trailer connector to a 4-way or 5-way, RV-style connector. Hassle free setup, no wiring nor splicing required, Just Plug-N-Play. 60 days Money Back. Trailer plug - applicable for utility RV boat camper trailer car carrier.
BrandSuper repairman #ad
ManufacturerZach Qatar Mall #ad
Weight0.28 Pounds
Part Number7 to 4 Way 5 Way Trailer Adapter



WOFTD Trailer Plug Adapter 7 Pin Flat Blade to 4 and 5 Round Trailer Connector Trailer Adapter 7 Way to 4 Way 5 Way 2-in-1 Flat Blade Plug

WOFTD #ad - The plug with copper pin contacts, it is highly waterproof, better electrical conductivity. The woftd trailer plug adapter adopts the 2 in 1 design, and can be used by most trailers, which combines 4 way plug with 5 way plug, easily convert 7 way Flat Blade into 5 way and 4 way round connector.

We are always here to support you. Eliminates the need for cutting or splicing. 7-way flat blade to a 4-way or 5-way Round trailer connector, RV-style connector. Please feel free to contact us at first if there is any problem when you receive or use our products. With a strong casing, and extremely durable. With the two dust covers at the plug, wear-resistant, flame retardant and cold resistant, it can prevent the plug from being infected with dust. Hassle free setup, no wiring nor splicing required.
BrandWOFTD #ad
ManufacturerWOFTD #ad
Part NumberAT0121