As an Amazon Associate I earn from qualifying purchases.
Allows a connection to be made between a mismatched trailer plug and vehicle socket Easily plugs in your vehicle's electrical socket and usually requires no additional wiring. This 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.

Extremely durable abs plastic construction, weatherproof and corrosion resistance. Simple installation: All necessary mounting bracket and screws+nuts included. 7-way connects tail brake reverse Turn Signals Brakes, voltage range: 6-24 Volts. Wide application - suitable for most trailers, semitrailers, caravans, RV.

Standard connection. It also includes a mounting bracket for convenient attachment to your hitch or bumper. 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 harness adapter comes with dust covers for the 4-pin and 7-pin wiring sockets to protect the terminals from water, dirt and corrosion. Easy to install. 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.



White-ground, Blue-brake light connection. Fit to most us car trailer. Standard 4 way and 7 way round connector, easily and tightly snaps into factory socket plug, retaining a 4 way plug. Strong abs plastic build, Copper harness made, Reliable and durable use.

Quality guarantee〗Any quality problem will do full refund, Rest assured purchase. Easy to install〗according to installation, different color wire lines compatible different function, you can quickly install it.

Multi-function trailer wiring ddapter is designed to converts a 4-way flat, vehicle-end plug to a combination 7-way outlet and 4-pole flat outlet, allows to easily tow different trailers with your vehicle.
Money-back guarantee: if you are not completely satisfied, you can ask for a replacement or a full refund. Non original aftermarket part. Ultra durability: made from heavy plastic for lightweight and durability. The trailer wire connector kit comes with Well-sealed protective cover for for 4 pin and 7 pin socket, protects connector from water, dusts and corrosion. The wiring harness is also well-protected with the included split loom.


1. ANTO
#ad
ANTO 4 Flat to 7 Way RV Trailer Light Custom Plug Wire Harness Electrical Converter Adapter
#adANTO #ad - 7-way connects tail, turn signals, Works on utility RV Camper Trailer Car Carrier, brakes and auxiliary power, brake, reverse, etc. Suitable for most trailers, semitrailers, caravans, RV.Allows a connection to be made between a mismatched trailer plug and vehicle socket Easily plugs in your vehicle's electrical socket and usually requires no additional wiring. This 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.
More information #ad
Commonly used with T-connectors or tail lamp converters with 4-way flat car end connections. 4 way to 7 way adapter makes tight connection between vehicle socket and trailer plug, no wiggle-room, no loose fittings. Transfers the power from the vehicle to traile.Brand | ANTO #ad |
Manufacturer | AnTo #ad |
Part Number | 4 to 7 |
Model | 4350421971 |
More information #ad
2. LIYYOO
#ad
LIYYOO 4 Wire Flat to 7 Way RV Trailer Light Plug Wire Harness Converter Adapter for Car Truck Trailer Hitch with Connector Socket Mounting Bracket
#adLIYYOO #ad - Commonly used with T-connectors or tail lamp converters with 4-way flat car end connections. 4 flat to 7 Way. 100% satisfactory service, if you have any questions, please feel free to contact us by email!We will solve it for you in the first time!with confidence! Cable length: 15" wire specification: 4 x 18 gauge + 4 x 14 gauge, 4 way pole connector, trailer plug adapter 4 way to 7 way, trailer plug 4 pin to 7 pin, trailer blade connector, 4 Wire Flat to 7 Way RV Trailer Light Plug Wire Harness Converter Adapter, trailer 4 to 7 way adapter, 4 flat to 7 way blade trailer adapter, 4 to 7 pin trailer adapter, 7 way flat blade, adapter 4-pole to 7-pole and 4-pole, 7 pole connector, 7-way to 4-way, flat electrical connectors, 4 blade to 7 blade adapter.More information #ad
Extremely durable abs plastic construction, weatherproof and corrosion resistance. Simple installation: All necessary mounting bracket and screws+nuts included. 7-way connects tail brake reverse Turn Signals Brakes, voltage range: 6-24 Volts. Wide application - suitable for most trailers, semitrailers, caravans, RV.
Brand | LIYYOO #ad |
Manufacturer | LIYYOO #ad |
Part Number | 2055 |
More information #ad
3. CURT
#ad
Black, CURT 57672 Dual-Output 4-Way Flat Vehicle-Side to 7-Way RV Blade Trailer Wiring Adapter
#adCURT #ad - The wiring harness is also well-protected with the included slit loom sleeve. This trailer hitch wiring adapter plugs into any standard 4-way flat and can be used to connect the taillights, reverse lights, turn signals, brake lights, trailer brakes and auxiliary power some splicing required.Standard connection. It also includes a mounting bracket for convenient attachment to your hitch or bumper. 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.
More information #ad
Weather-resistant. Durable construction. 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. 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. Easy to install. 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.
Brand | CURT #ad |
Manufacturer | Curt Manufacturing #ad |
Height | 2 Inches |
Length | 7 Inches |
Weight | 1.1 Pounds |
Width | 2 Inches |
Part Number | 57672 |
Model | 57672 |
Warranty | One-Year Limited Warranty |
More information #ad
4. CARROFIX
#ad
CARROFIX 4 Wire Flat Plug and 7 Way RV Blade Vehicle End Connector Kit, 7 Way Round to 4 Way Flat Pin Adapter, Towing Trailer Light Converter Plug with Mounting Bracket
#adCARROFIX #ad - 7 way to 4 way adapter, converts your 7 way RV blade plug to a trailer 4-way flat pin connector. Additional wire leads for brake controller, 12V power, and auxiliary or reverse function.More information #ad
Widely applicable for standard American car modification, trailer light socket converter. Pure copper contact points, good conductivity, surface plating, better corrosion resistance. 4 way plug to 7 way, converts your 4-way flat plug to a 7-way RV-style connector.Brand | CARROFIX #ad |
Manufacturer | CARROFIX #ad |
Part Number | CRF-0149 |
More information #ad
5. CARROFIX
#ad
CARROFIX 4 Flat Truck to 7 Way Round Trailer Light Adapter Reverse Plug with Mounting Bracket
#adCARROFIX #ad - 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.More information #ad
No splicing of wires needed, plug ends are secure and ready to go. Easily to create custom plug-in wiring systems for towing solutions. Well sealed spring-loaded dust cover protects adapter from elements when leave unused.Brand | CARROFIX #ad |
Manufacturer | CARROFIX #ad |
Part Number | CRF-1701K-B |
More information #ad
6. RED WOLF
#ad
RED WOLF 4 Pin Way Flat to 7 Round Way Blade RV Trailer camper Towing Plug Wire Harness Converter Adapter with Mounting Bracket
#adRED WOLF #ad - Plug comes with connect cap to keep way water &dust. Yellow - Reverse light. Fit to trailer, RV, campers. Easy installation. Prevent corrosion. Screws nut and mounting plate are included.White-ground, Blue-brake light connection. Fit to most us car trailer. Standard 4 way and 7 way round connector, easily and tightly snaps into factory socket plug, retaining a 4 way plug. Strong abs plastic build, Copper harness made, Reliable and durable use.
More information #ad
No cutting factory wire harness. Allows a no brake trailer rv with round 7 pin to be pulled by a vehicle with 4 blade connector. Black-12v battery Power. It can be used to connect turn signals, taillights, brake lights, trailer brakes and auxiliary power also, reverse lights, but this process may required some splicing.Brand | RED WOLF #ad |
Manufacturer | RED WOLF #ad |
Part Number | VO2110 |
More information #ad
7. Wadoy
#ad
Electrical Reverse Plug Connector with Mounting Bracket for Car Truck Rv Towing Solutions, 4 Pin to 7 Pin Adapter, Wadoy 4-Way Flat Truck to 7-Way Blade Trailer Truck Light Adapter
#adWadoy #ad - Package come with mounting bracket helps to fix. Dust caps to keep them well protected from dust, rain and road grime, giving you a solid connection for many miles to come. 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.More information #ad
Main features〗our connectors are made with quality to be long-lasting and many have bonded wires to keep the connection protected and orderly. 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. Quality guarantee〗Any quality problem will do full refund, Rest assured purchase. Easy to install〗according to installation, different color wire lines compatible different function, you can quickly install it.
Brand | Wadoy #ad |
Manufacturer | Wadoy #ad |
Part Number | 4 Flat to 7 Way Blade Trailer |
More information #ad
8. Poweka
#ad
Trailer Light Plug Wire Harness Converter Adapter with Mounting Bracket, 4 Way Flat to 7 Way Round RV Blade and 4-Way Flat Female Trailer Towing Connector
#adPoweka #ad - Application: this trailer hitch wiring adapter plugs into any standard 4-way flat. It can be used to connect the taillights, reverse lights, turn signals, brake lights, trailer brakes and auxiliary power. Suitable for commercial vehicles / trucks / trailers / RVs / semi-trailers etc.Multi-function trailer wiring ddapter is designed to converts a 4-way flat, vehicle-end plug to a combination 7-way outlet and 4-pole flat outlet, allows to easily tow different trailers with your vehicle.
More information #ad
Easy to install: this dual-output 4-pin to 7-pin trailer adapter wiring harness plugs into existing 4-way flat connector and hard-wires to existing wiring to get additional functions needed for 7-way, all necessary mounting bracket and screws+nuts included. Money-back guarantee: if you are not completely satisfied, you can ask for a replacement or a full refund. Non original aftermarket part. Ultra durability: made from heavy plastic for lightweight and durability. The trailer wire connector kit comes with Well-sealed protective cover for for 4 pin and 7 pin socket, protects connector from water, dusts and corrosion. The wiring harness is also well-protected with the included split loom.
Brand | Poweka #ad |
Manufacturer | Poweka #ad |
Part Number | 304 |
Model | 4-7 way |
More information #ad
9. ANTO
#ad
ANTO 7 Wire to 7 Way RV Trailer Light Custom Plug Wire Harness Electrical Quick Converter Adapter with Mounting Bracket
#adANTO #ad - 7-way connects tail brake reverse Turn Signals Brakes, voltage range: 6-24 Volts. Spring-loaded dust cover Keeps Connector Clean When Not In Use. Allows the user to create Custom Plug-in Wiring Systems For any Towing Situation.More information #ad
Slit loom keeps Wires Contained And Well Protected. Commonly used with t-connectors or tail lamp converters with 4-way flat car end Connections 4 Wire Flat to 7-Way RV Blade Round Includes Mounting Bracket and Hardware Allows the User to Create Custom Plug-in Wiring Systems For any Towing Situation.Brand | ANTO #ad |
Manufacturer | AnTo #ad |
Part Number | 7 to 7 |
Model | 4350421853 |
More information #ad
10. ZOOKOTO
#ad
ZOOKOTO 4 Flat Truck to 7 Way Round Trailer Light Adapter Light Plug Wire Harness Converter Reverse Plug with Mounting Bracket for Car Truck Trailer Hitch
#adZOOKOTO #ad - No splicing of wires needed, plug ends are secure and ready to go. 7-way connects tail Brake Reverse Turn Signals Brakes. Easily to create custom plug-in wiring systems for towing solutions.More information #ad
Brand new adapter, converts 4 way flat vehicle end to 7 way blade trailer end. Commonly used with t-connectors or Tail Lamp Converters with 4-Way Car End Connections.Brand | ZOOKOTO #ad |
Manufacturer | ZOOKOTO #ad |
Height | 3 Inches |
Length | 5 Inches |
Width | 3 Inches |
Part Number | RAJD-TuoCheChaTou002 |
Warranty | 1 Year |
More information #ad