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Vehicle-specific. No wire cutting! no splicing! this trailer wire extension plugs into existing factory wiring on your truck and has a 7-foot harness for flexible positioning in the truck bed 2-1/8-inch hole saw required for installation.
Heavy-duty connector. Durable construction. This vehicle-trailer wiring extension harness is designed for select models of Chevrolet, Ram and Toyota vehicles, GMC, Ford, Dodge, Nissan, ensuring the easiest possible installation. For long-lasting use and a reliable connection, the housing of the 7-pin truck wiring socket is made from durable molded black plastic and has a spring-loaded dust cover to protect the connection points.






This adapter converts 4 way flat vehicle end to 7 way blade trailer end, makes a tight connection between vehicle socket and trailer plug, no wiggle-room, no loose fittings.
1. Hopkins Towing Solutions
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Hopkins 43395 Plug-In Simple Vehicle to Trailer Wiring Kit
#adHopkins Towing Solutions #ad - Includes dust cover and grease packet. Hopkins manufacturing Corporation is highly recognized as the automotive industry leader in towing electrical products.More information #ad
No cutting or splicing needed saving you valuable time. Utilizes oem connectors for enhanced fit and ultimate weatherproofing. Features corrosion resistant terminals.Brand | Hopkins Towing Solutions #ad |
Manufacturer | Hopkins Towing Solution #ad |
Height | 4.6 Inches |
Length | 5.1 Inches |
Weight | 1 Pounds |
Width | 8 Inches |
Part Number | 11143395 |
Model | 43395 |
More information #ad
2. Hopkins Towing Solutions
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Hopkins 41157 Endurance 5th Wheel Wiring Kit
#adHopkins Towing Solutions #ad - Retains operational function at the rear of the vehicle. 7 connector application for selected Chevrolet, Ford, Dodge, GMC, Nissan and Toyota models.More information #ad
Reinforced 90 degree angle connector provides convenient and quick installation. Available for most full-size trucks. Exact oem fit plugs directly into the manufacturer's wiring system.Brand | Hopkins Towing Solutions #ad |
Manufacturer | Hopkins Towing Solution #ad |
Height | 5 Inches |
Length | 4 Inches |
Weight | 0.5 Pounds |
Width | 8 Inches |
Part Number | 41157 |
Model | 41157 |
More information #ad
3. Hopkins Towing Solutions
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Hopkins 40975 Multi-Tow Plug-In Simple Wiring Kit
#adHopkins Towing Solutions #ad - Utilizes oem connectors create an exact fit and enhanced weatherproofing. Multi-tow feature provides multiple 7 RV blade and 4 wire flat towing options from one connector. Includes mounting bracket, hardware, and step-by-step instructions for easy installation.More information #ad
Impact and corrosion resistant, and pre-greased terminals for additional protection. Plug-in simple wiring Kit installation means no cutting or splicing, saving time and hassle.Brand | Hopkins Towing Solutions #ad |
Manufacturer | Hopkins Towing Solution #ad |
Height | 3.2 Inches |
Length | 9 Inches |
Weight | 0.84 Pounds |
Width | 3.5 Inches |
Part Number | 40975 |
Model | 40975 |
More information #ad
4. CURT
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Dodge, Ram, CURT 56070 7-Foot Vehicle-Side Truck Bed 7-Pin Trailer Wiring Harness Extension, Toyota , Ford, GMC, Nissan, black, Select Chevrolet
#adCURT #ad - This trailer wiring harness is designed to be an extension of the existing tow wiring of your truck. The 7-pin trailer wire extension can be used to connect trailer taillights, reverse lights, turn signals, brake lights, electric trailer brakes and an auxiliary power wire.Vehicle-specific. No wire cutting! no splicing! this trailer wire extension plugs into existing factory wiring on your truck and has a 7-foot harness for flexible positioning in the truck bed 2-1/8-inch hole saw required for installation.
More information #ad
Truck bed extension. Easy to install. It retains use of the rear 7-way RV blade socket, while adding an additional 7-way socket in the truck bed. Heavy-duty connector. Durable construction. This vehicle-trailer wiring extension harness is designed for select models of Chevrolet, Ram and Toyota vehicles, GMC, Ford, Dodge, Nissan, ensuring the easiest possible installation. For long-lasting use and a reliable connection, the housing of the 7-pin truck wiring socket is made from durable molded black plastic and has a spring-loaded dust cover to protect the connection points.
Brand | CURT #ad |
Manufacturer | CURT #ad |
Height | 4.1 Inches |
Length | 8.7 Inches |
Weight | 2.2 Pounds |
Width | 8.2 Inches |
Part Number | 56070 |
Model | 56070 |
Warranty | One Year Limited |
More information #ad
5. Hopkins Towing Solutions
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Hopkins 40974 Multi-Tow 7 Blade and 4 Flat Connector Packaging may vary,3.25 x 3.88 x 6.88,grey
#adHopkins Towing Solutions #ad - Impact and corrosion resistant. Multi-tow connector provides multiple towing options from one connector. Includes step-by-step instructions. Utilizes oem connectors create an exact fit and maximum weatherproofing. Packaging may vary slightly. Pre-greased terminals for added protection.More information #ad
Brand | Hopkins Towing Solutions #ad |
Manufacturer | Hopkins Manufacturing #ad |
Height | 6.88 Inches |
Length | 3.25 Inches |
Weight | 0.44 Pounds |
Width | 3.88 Inches |
Part Number | 40974 |
Model | 40974 |
Warranty | 90-day warranty |
More information #ad
6. Hopkins Towing Solutions
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Hopkins 43105 Plug-In Simple Vehicle Wiring Kit
#adHopkins Towing Solutions #ad - T-connectors allow you to connect your trailer's wiring system into your vehicle's wiring system. No cutting, soldering, or taping. Simple 4 easy step installation.More information #ad
Prewired to provide right turn, left turn, taillight and on some models, the backup function. The two-piece system provides for a more versatile installation as well as a simple plug replacement option if the unit ever becomes damaged.Brand | Hopkins Towing Solutions #ad |
Manufacturer | Hopkins Towing Solution #ad |
Height | 1.88 Inches |
Length | 8.88 Inches |
Weight | 0.45 Pounds |
Width | 3.88 Inches |
Part Number | 43105 |
Model | 43105 |
Warranty | Hopkins 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 |
More information #ad
7. Hopkins Towing Solutions
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Hopkins 11143374 Plug-In Simple Vehicle Wiring Kit
#adHopkins Towing Solutions #ad - Wire functions are printed directly on the wire, for easy identification. Equipped with a serrated edge ring terminal for establishing a good ground where applicable. Features original equipment Manufacturer OEM connectors for a perfect, weather-tight fit.More information #ad
No cutting or splicing required- simply unplug the factory wiring harness and plug in your Hopkins wiring kit. Includes di-electric terminal grease and dust covers to protect terminals from corrosion.Brand | Hopkins Towing Solutions #ad |
Manufacturer | Hopkins Towing Solution #ad |
Height | 3.56 Inches |
Length | 6.5 Inches |
Weight | 0.84 Pounds |
Width | 4.13 Inches |
Part Number | 43374 |
Model | 43374 |
More information #ad
8. Hopkins Towing Solutions
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Hopkins 43315 Plug-In Simple Vehicle Wiring Kit
#adHopkins Towing Solutions #ad - Simple 4 easy step installation. No cutting, soldering, or taping. Prewired to provide right turn, left turn, taillight and on some models, the backup function. T-connectors allow you to connect your trailer's wiring system into your vehicle's wiring system.More information #ad
Confirm your vehicle’s fit: this is a vehicle-specific kit - use the confirm fit feature at the top of the page to ensure compatibility. The two-piece system provides for a more versatile installation as well as a simple plug replacement option if the unit ever becomes damaged.Brand | Hopkins Towing Solutions #ad |
Manufacturer | Hopkins Towing Solution #ad |
Height | 2.88 Inches |
Length | 8.88 Inches |
Weight | 0.8 Pounds |
Width | 3.88 Inches |
Part Number | 43315 |
Model | 43315 |
Warranty | Hopkins 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 |
More information #ad
9. Hopkins Towing Solutions
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Hopkins 47185 Multi-Tow 4 Flat to 7 Blade and 4 Flat Adapter
#adHopkins Towing Solutions #ad - Multi-tow adapters provide two towing options from one vehicle-end connector creating a true customized wiring system. Allows the user to create custom plug-in wiring systems for any towing situation.More information #ad
4 wire flat to 4 wire flat and 7 RV round adapter. Multi-tow 7:4. Take the guesswork and frustration out of vehicle to trailer wiring.Brand | Hopkins Towing Solutions #ad |
Manufacturer | Hopkins Towing Solution #ad |
Height | 3.25 Inches |
Length | 8.88 Inches |
Weight | 0.5 Pounds |
Width | 3.88 Inches |
Part Number | 47185 |
Model | 47185 |
Warranty | Hopkins 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 |
More information #ad
10. Nilight
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Nilight 50051R 4 Flat to 7-Way Round RV Blade Trailer Adapter Reverse Plug with mounting Bracket, 2 Years Warranty
#adNilight #ad - Package includes: 1x trailer Adapter Plug, 1xMounting bracket 6 screws and 6 nuts. Wide application: suitable for most trailers, semitrailers, caravans, RV. Works on most vehicle wiring components like turn signals, brakes, reverse light and auxiliary power.This adapter converts 4 way flat vehicle end to 7 way blade trailer end, makes a tight connection between vehicle socket and trailer plug, no wiggle-room, no loose fittings.
More information #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. Transfers the power from the vehicle to trailer. Voltage ranges: 6-24 Volts. Heavy duty black plastic construction prevents rusting, enhances appearance. Well sealed spring loaded cover increases protection against dust, moisture and corrosion.Brand | Nilight #ad |
Manufacturer | Nilight #ad |
Part Number | 50051R |
Model | 50051R |
Warranty | 2 Years Warranty |
More information #ad