Top 10 Vehicle Trailer Wiring Harness For Towing – Towing Hitch Wiring

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1. Hopkins Towing Solutions

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Hopkins 41144 Vehicle Wiring Kit

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Hopkins Towing Solutions #ad - Includes dust cover, cable ties, and grease packet. Utilizes oem trailer tow harness and mounting location. Includes vehicle side Multi-Tow 7 blade and 4 flat. Comprehensive installation instructions included. Corrosion resistant terminals.
BrandHopkins Towing Solutions #ad
ManufacturerHopkins Towing Solution #ad
Height5.5 Inches
Length6 Inches
Weight0.75 Pounds
Width6 Inches
Part Number11141144
Model41144

2. CURT

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Forester, Crosstrek, CURT 56040 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Fits Select Subaru Ascent, XV, Outback

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CURT #ad - Vehicle-specific. This aftermarket, forester, vehicle-trailer wiring harness is designed for select years of the Subaru Ascent, Outback, Crosstrek and XV Crosstrek factory tow package required. It easily fits onto the 4-way flat connector when not in use, protecting it against the outdoor elements.

To promote long-lasting use and weather resistance, this 4-pole trailer lighting wire harness comes with a rubber dust cover. Reliable power. Standard connector. This type of circuitry generates less heat, optimal light intensity and durable performance. Dust cover. This plug-in 4-flat trailer wiring can be used to connect trailer tail lights, brake signal lights and turn signals.

Easy to install. No cutting! no splicing! this trailer wiring harness kit plugs into existing factory wiring on your vehicle and equips it with a standard, rear 4-pin trailer wiring connector for plugging in and towing a trailer. 4-way trailer light wiring is popular on a wide variety of trailers, adding versatile towing options for your vehicle. This 4-way trailer wiring harness is built with surface mount technology.
BrandCURT #ad
ManufacturerCurt Manufacturing #ad
Height9 Inches
Length4 Inches
Weight0.75 Pounds
Width2 Inches
Part Number56040
Model56040
WarrantyOne Year Limited

3. CURT

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Fits Select Ford Transit-150, 250, HD, 350, CURT 56327 Vehicle-Side Custom 4-Pin Trailer Wiring Harness

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CURT #ad - No cutting! no splicing! this trailer wiring harness kit plugs into existing factory wiring on your vehicle and equips it with a standard, rear 4-pin trailer wiring connector for plugging in and towing a trailer. Dust cover.

This 4-way trailer wiring harness is built with surface mount technology. This aftermarket, transit 250, vehicle-trailer wiring harness is designed for select years of the Ford Transit 150, Transit 350 and Transit 350 HD. To promote long-lasting use and weather resistance, this 4-pole trailer lighting wire harness comes with a rubber dust cover. It easily fits onto the 4-way flat connector when not in use, protecting it against the outdoor elements.

Easy to install. This type of circuitry generates less heat, optimal light intensity and durable performance. This plug-in 4-flat trailer wiring can be used to connect trailer tail lights, brake signal lights and turn signals. Reliable power. 4-way trailer light wiring is popular on a variety of trailers, adding versatile towing options for your vehicle. Standard connector. Vehicle-specific.
BrandCURT #ad
ManufacturerCURT #ad
Height3 Inches
Length9 Inches
Width6 Inches
Part Number56327
Model56327
WarrantyOne-Year Limited Warranty

4. CURT

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Fits Select Jeep Wrangler JL, CURT 56407 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Gladiator

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CURT #ad - This 4-way trailer wiring harness is built with surface mount technology. This type of circuitry generates less heat, optimal light intensity and durable performance. This plug-in 4-flat trailer wiring can be used to connect trailer tail lights, brake signal lights and turn signals.

Standard connector. Vehicle-specific. This aftermarket, vehicle-trailer wiring harness is designed for select years of the Jeep Wrangler JL and Jeep Gladiator. No cutting! no splicing! this trailer wiring harness kit plugs into existing factory wiring on your vehicle and equips it with a standard, rear 4-pin trailer wiring connector for plugging in and towing a trailer.

Easy to install. Reliable power. 4-way trailer light wiring is popular on a variety of trailers, adding versatile towing options for your vehicle. Dust cover. To promote long-lasting use and weather resistance, this 4-pole trailer lighting wire harness comes with a rubber dust cover. It easily fits onto the 4-way flat connector when not in use, protecting it against the outdoor elements.
BrandCURT #ad
ManufacturerCURT #ad
Height3 Inches
Length9 Inches
Weight1.78 Pounds
Width6 Inches
Part Number56407
Model56407
WarrantyOne-Year Limited Warranty

5. Hopkins Towing Solutions

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Hopkins 43315 Plug-In Simple Vehicle Wiring Kit

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Hopkins Towing Solutions #ad - No cutting, soldering, or taping. Simple 4 easy step installation. The two-piece system provides for a more versatile installation as well as a simple plug replacement option if the unit ever becomes damaged. 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. Fit type: Vehicle Specific.
BrandHopkins Towing Solutions #ad
ManufacturerHopkins Towing Solution #ad
Height2.88 Inches
Length8.88 Inches
Weight1 Pounds
Width3.88 Inches
Part Number43315
Model43315
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

6. CURT

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CURT 56217 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Lexus RX350, Fits Select Toyota Highlander

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CURT #ad - This aftermarket, vehicle-trailer wiring harness is designed for select years of the Toyota Highlander and Lexus RX350 factory tow package may be required. It easily fits onto the 4-way flat connector when not in use, protecting it against the outdoor elements.

To promote long-lasting use and weather resistance, this 4-pole trailer lighting wire harness comes with a rubber dust cover. This type of circuitry generates less heat, optimal light intensity and durable performance. 4-way trailer light wiring is popular on a wide variety of trailers, adding versatile towing options for your vehicle. Dust cover. This plug-in 4-flat trailer wiring can be used to connect trailer tail lights, brake signal lights and turn signals.

Easy to install. This 4-way trailer wiring harness is built with surface mount technology. Standard connector. No cutting! no splicing! this trailer wiring harness kit plugs into existing factory wiring on your vehicle and equips it with a standard, rear 4-pin trailer wiring connector for plugging in and towing a trailer. Reliable power. Vehicle-specific.
BrandCURT #ad
ManufacturerCurt Manufacturing #ad
Height3 Inches
Length9 Inches
Weight0.88 Pounds
Width4 Inches
Part Number56217
Model56217
WarrantyOne Year Limited

7. CURT

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CURT 56218 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Fits Select Ford Transit Connect

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CURT #ad - This 4-way trailer wiring harness is built with surface mount technology. Easy to install. 4-way trailer light wiring is popular on a variety of trailers, adding versatile towing options for your vehicle. Dust cover.

It easily fits onto the 4-way flat connector when not in use, protecting it against the outdoor elements. To promote long-lasting use and weather resistance, this 4-pole trailer lighting wire harness comes with a rubber dust cover. Reliable power. Vehicle-specific. This aftermarket, vehicle-trailer wiring harness is designed for select years of the Ford Transit Connect. This type of circuitry generates less heat, optimal light intensity and durable performance.

This plug-in 4-flat trailer wiring can be used to connect trailer tail lights, brake signal lights and turn signals. Standard connector. No cutting! no splicing! this trailer wiring harness kit plugs into existing factory wiring on your vehicle and equips it with a standard, rear 4-pin trailer wiring connector for plugging in and towing a trailer.
BrandCURT #ad
ManufacturerCurt Manufacturing #ad
Height3 Inches
Length9 Inches
Weight1.68 Pounds
Width6 Inches
Part Number56218
Model56218
WarrantyOne Year Limited

8. CURT

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CURT 56349 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Fits Select Toyota Tacoma

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CURT #ad - No cutting! no splicing! this trailer wiring harness kit plugs into existing factory wiring on your vehicle and equips it with a standard, rear 4-pin trailer wiring connector for plugging in and towing a trailer.

This 4-way trailer wiring harness is built with surface mount technology. This aftermarket, vehicle-trailer wiring harness is designed for select years of the Toyota Tacoma. Easy to install. This type of circuitry generates less heat, optimal light intensity and durable performance. It easily fits onto the 4-way flat connector when not in use, protecting it against the outdoor elements. 4-way trailer light wiring is popular on a variety of trailers, adding versatile towing options for your vehicle.

To promote long-lasting use and weather resistance, this 4-pole trailer lighting wire harness comes with a rubber dust cover. Dust cover. Standard connector. Vehicle-specific. Reliable power. This plug-in 4-flat trailer wiring can be used to connect trailer tail lights, brake signal lights and turn signals.
BrandCURT #ad
ManufacturerCURT #ad
Height3 Inches
Length9 Inches
Weight1.84 Pounds
Width6 Inches
Part Number56349
Model56349
WarrantyOne-Year Limited Warranty

9. CURT

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4-Pin Connectors, Factory Tow Package and USCAR Socket Required, CURT 55774 Dual-Output Vehicle-Side 7-Pin

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CURT #ad - This trailer wiring harness socket is designed for specific vehicles with an industry-standard USCAR socket. This dual-output connector is a great upgrade for a variety of vehicles with a USCAR socket. Reliable connection.

It provides two standard trailer wiring sockets, a 4-way flat and an RV blade 7-way round socket, allowing for versatile towing options. Versatile design. Uscar-specific. For long-lasting use and a reliable connection, the housing of this dual 7-pin and 4-pin trailer wiring socket is made from durable black plastic that will never rust or corrode. The 7-pin socket has a spring-loaded dust cover that keeps the connection points dry and protected when not in use.

This two-way trailer wiring socket is designed to outlast weather exposure. They connect the taillights, turn signals, reverse lights, electric trailer brakes and aux power. These trailer wiring sockets come ready to plug into existing vehicle wiring, brake lights, using the factory USCAR socket. Durable construction. Weather-resistant.
BrandCURT #ad
ManufacturerCurt Manufacturing #ad
Height2 Inches
Length9 Inches
Weight1.13 Pounds
Width4 Inches
Part Number55774
Model55774
WarrantyManufaturer warranty

10. Hopkins Towing Solutions

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Hopkins 41125 Plug-In Simple Vehicle Wiring Kit

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Hopkins Towing Solutions #ad - Includes dust cover and grease packet to prevent corrosion, along with step-by-step instructions for easy installation. Pre-wired to provide right turn, left turn, taillight, and on some models, the backup function. The two-piece modular system allows for a more versatile installation as well as a simple 4 wire flat replacement option if the unit ever becomes damaged. Utilizes oem connectors for exact fit and enhanced weatherproofing. T-connectors provide option of connecting trailer's wiring system into vehicle's wiring system.
BrandHopkins Towing Solutions #ad
ManufacturerHopkins Towing Solution #ad
Height1.88 Inches
Length8.88 Inches
Weight0.4 Pounds
Width3.88 Inches
Part Number41125
Model41125
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