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Uscar specific. This dual-output trailer hitch wiring kit simply replaces the 7-Way USCAR connector that came with your vehicle, it features both 4 Pin and 7 Pin connector in case you have multiple trailers with different connectors, adding versatile towing options.
We offer 1 year warranty for this T-Connector trailer wiring harness. Noteļ¼please check the connector behind your vehicle before buying, thanks! Connectors can be used to connect the taillights, turn signals, no cutting and splicing, trailer brakes and auxiliary power. This trailer wiring harness socket is designed for specific vehicles with a factory tow package, Compatible with Ford, GM, Dodge vehicles with the factory 7-way USCAR socket.

Reliable connection. The 72-inch wire loop provides plenty of extra length for a flexible installation. Durable construction. For long-lasting use and a reliable connection, the housing of these 4-pin trailer wiring plugs is made from durable black molded rubber that will never rust or corrode.
These 4-pin trailer wiring plugs come ready to splice into your existing vehicle and trailer wiring. The 4-pin wiring design matches industry-standard 4-way flat connectors and is compatible with a wide variety of trailers. They have 16-gauge wires and can be used to connect the taillights, brake lights and turn signals. These vehicle-trailer connectors make great replacement 4-flat wiring plugs and sockets.

Plugging in your trailer wiring and trailer lights is easy with the ergonomic design of this trailer plug. The 4-pin wiring design matches industry-standard 4-way flat sockets and can be used on a wide variety of trailers.
Easy grip. For long-lasting use and a reliable connection, the housing of this 4-pin trailer wiring plug is made from durable black molded rubber that will never rust or corrode. Ready to install. This 4-pin trailer wiring plug comes ready to splice into your existing trailer wiring. It has 16-gauge wires and can be used to connect the taillights, brake lights and turn signals.

This 7-pin trailer wiring socket comes ready to splice into your existing vehicle wiring. This helps protect the splice-in connection points for the wires, keeping them safe from dirt, rain, corrosion and other threats.
This connector makes a great replacement 7-way RV blade connector and is interchangeable with virtually any vehicle-side 7-way RV connector. 7-pin trailer wiring is commonly used for towing RV travel trailers. Reliable connection. Weather-resistant. It can be used to connect the taillights, brake lights, turn signals, reverse lights, trailer brakes and auxiliary power.



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.
Easy to install. Vehicle-specific. 4-way trailer light wiring is popular on a wide variety of trailers, adding versatile towing options for your vehicle. This plug-in 4-flat trailer wiring can be used to connect trailer tail lights, brake signal lights and turn signals. Standard connector.

Convenient trailer wiring sturdy junction box with color marked 7-poles convenient for wiring left/right turn light brake signal lamp reverse light tail light etc Junction box is much easier than managing loose wires.
Fit type: Universal. Flexible connection 8ft long cord with soft and durable PVC housing Flexible Connection The length prevents it from being strained during an emergency turn 7-Way Connects Brake Running Reverse Turn Signals and Auxiliary Power.

Wishbone style wiring setup- wishbone design makes it easier to wire to the taillights; simplifies installation process.

1. Oyviny
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Dodge Vehicles, Factory Tow Package and USCAR 7 Way Socket Required, Oyviny Multi-Tow Vehicle-Side 7-Way Blade and 4-Way Flat Trailer Connector Wiring Harness for Ford, GM
#adOyviny #ad - Plug and play. Multi-plug design. Our two-way trailer wiring harness socket made from durable ABS plastic to prevent rusting and enhance appearance; A heavy duty black wire loom keeps the wiring contained and protects the harness for long-lasting use. Trailer wiring harness socket plugs into factory 7-way USCAR socket on your vehicle, reverse lights, brake lights, mounting bracket and hardware included.Uscar specific. This dual-output trailer hitch wiring kit simply replaces the 7-Way USCAR connector that came with your vehicle, it features both 4 Pin and 7 Pin connector in case you have multiple trailers with different connectors, adding versatile towing options.
More information #ad
Dust cover. Durable construction. Both 7 way rv connector and 4 way flat socket comes with rubber dust covers, which keeps the connection points dry, and protect the plug from dusts and corrosion. We offer 1 year warranty for this T-Connector trailer wiring harness. Noteļ¼please check the connector behind your vehicle before buying, thanks! Connectors can be used to connect the taillights, turn signals, no cutting and splicing, trailer brakes and auxiliary power. This trailer wiring harness socket is designed for specific vehicles with a factory tow package, Compatible with Ford, GM, Dodge vehicles with the factory 7-way USCAR socket.
Brand | Oyviny #ad |
Manufacturer | Oyviny #ad |
Part Number | OV2128-001 |
More information #ad
2. CURT
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CURT 58050 Vehicle-Side and Trailer-Side 4-Pin Flat Wiring Harness with 72-Inch Wires
#adCURT #ad - Plugging in your trailer wiring and trailer lights is easy with the ergonomic design of these vehicle-trailer connectors. Equipped with color-coded wires, these 4-prong trailer wiring connectors come ready to install.Reliable connection. The 72-inch wire loop provides plenty of extra length for a flexible installation. Durable construction. For long-lasting use and a reliable connection, the housing of these 4-pin trailer wiring plugs is made from durable black molded rubber that will never rust or corrode.
More information #ad
Easy grip. They feature tabs on the top and bottom for a better grip when plugging in or unplugging. Ready to install. Versatile design. These 4-pin trailer wiring plugs come ready to splice into your existing vehicle and trailer wiring. The 4-pin wiring design matches industry-standard 4-way flat connectors and is compatible with a wide variety of trailers. They have 16-gauge wires and can be used to connect the taillights, brake lights and turn signals. These vehicle-trailer connectors make great replacement 4-flat wiring plugs and sockets.
Brand | CURT #ad |
Manufacturer | Curt Manufacturing #ad |
Height | 2 Inches |
Length | 7 Inches |
Weight | 0.3 Pounds |
Width | 2 Inches |
Part Number | 58050 |
Model | 58050 |
Warranty | Limited Lifetime |
More information #ad
3. CURT
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CURT 58030 Trailer-Side 4-Pin Flat Wiring Harness with 12-Inch Wires
#adCURT #ad - The 12-inch wire lead provides extra length for an easy installation. Equipped with blunt-cut, color-coded wires, this 4-prong trailer wiring plug comes ready to install. Durable construction. Versatile design.Plugging in your trailer wiring and trailer lights is easy with the ergonomic design of this trailer plug. The 4-pin wiring design matches industry-standard 4-way flat sockets and can be used on a wide variety of trailers.
More information #ad
This trailer connector makes a great replacement 4-flat trailer wiring connector. Reliable connection. It features tabs on the top and bottom for a better grip when plugging into your vehicle or unplugging. Easy grip. For long-lasting use and a reliable connection, the housing of this 4-pin trailer wiring plug is made from durable black molded rubber that will never rust or corrode. Ready to install. This 4-pin trailer wiring plug comes ready to splice into your existing trailer wiring. It has 16-gauge wires and can be used to connect the taillights, brake lights and turn signals.
Brand | CURT #ad |
Manufacturer | Curt Manufacturing #ad |
Height | 2 Inches |
Length | 7 Inches |
Weight | 0.05 Pounds |
Width | 2 Inches |
Part Number | 58030 |
Model | 58030 |
Warranty | Limited Lifetime |
More information #ad
4. CURT
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CURT 58150 Vehicle-Side 7-Pin RV Blade Trailer Wiring Harness Connector
#adCURT #ad - This 7-way rv blade socket is equipped with a spring-loaded dust cover that keeps the connection points dry and protected when not in use, ensuring strong, consistent power for miles to come. This trailer wiring socket comes with concealed wire terminals.This 7-pin trailer wiring socket comes ready to splice into your existing vehicle wiring. This helps protect the splice-in connection points for the wires, keeping them safe from dirt, rain, corrosion and other threats.
More information #ad
Protected. Durable construction. Versatile design. For long-lasting use and a reliable connection, the housing of this 7-pin trailer wiring socket is made from durable black plastic that will never rust or corrode. This connector makes a great replacement 7-way RV blade connector and is interchangeable with virtually any vehicle-side 7-way RV connector. 7-pin trailer wiring is commonly used for towing RV travel trailers. Reliable connection. Weather-resistant. It can be used to connect the taillights, brake lights, turn signals, reverse lights, trailer brakes and auxiliary power.
Brand | CURT #ad |
Manufacturer | Curt Manufacturing #ad |
Height | 4 Inches |
Length | 3 Inches |
Weight | 0.25 Pounds |
Width | 4 Inches |
Part Number | 58150 |
Model | 58150 |
Warranty | Limited Lifetime |
More information #ad
5. Hopkins Towing Solutions
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Hopkins 48205 4 Wire Flat Connector Set with Splice Connectors
#adHopkins Towing Solutions #ad - Includes one 48" vehicle end connector and one 12" trailer end connector. Wire functions printed on wire for easy reference. Meets sAE standards. Fit type: Universal Fit. Includes 6 splice connectors. Corrosion resistant terminals.More information #ad
Brand | Hopkins Towing Solutions #ad |
Manufacturer | Hopkins Towing Solution #ad |
Height | 1.75 Inches |
Length | 6.88 Inches |
Weight | 0.29 Pounds |
Width | 2.88 Inches |
Part Number | 48205 |
Model | 48205 |
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
6. CARROFIX
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CARROFIX 7 Way Trailer Light Connector Socket 7 Wire Harness Electrical Quick Converter with Mounting Bracket
#adCARROFIX #ad - Guaranteed 5-star experience - If you aren't 100% satisfied for any reason, we'll refund your money. All of the connectors are already attached to the ends of the wiring, just splices into existing wiring.More information #ad
Adapter provides a 7-way blade-style connection in the vehicle side to power the trailer's signal lights. Simple installation, comes with the 7-way connector, mounting bracket and necessary hardware. 7 wire harness and features a spring loaded lid that keeps the contact points clean when not in use.Brand | CARROFIX #ad |
Manufacturer | CARROFIX #ad |
Weight | 0.68 Pounds |
Part Number | CRF-0107 |
More information #ad
7. CURT
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Fits Select Subaru Ascent, Black, XV , Outback, Forester, CURT 56040 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Crosstrek
#adCURT #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. Reliable power.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.
More information #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. Dust cover. This aftermarket, vehicle-trailer wiring harness is designed for select years of the Subaru Ascent, outback, forester, Crosstrek and XV Crosstrek factory tow package required. Easy to install. Vehicle-specific. 4-way trailer light wiring is popular on a wide variety of trailers, adding versatile towing options for your vehicle. This plug-in 4-flat trailer wiring can be used to connect trailer tail lights, brake signal lights and turn signals. Standard connector.
Brand | CURT #ad |
Manufacturer | Curt Manufacturing #ad |
Height | 9 Inches |
Length | 4 Inches |
Weight | 0.75 Pounds |
Width | 2 Inches |
Part Number | 56040 |
Model | 56040 |
Warranty | One Year Limited |
More information #ad
8. Nilight
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Trailer Connector Cable Wiring Harness with Weatherproof Junction Box Suitable for RV Automotives Cars,2 Years Warranty, Nilight Heavy Duty 7 Way Inline Trailer Plug with 7 Gang Junction Box, 8 Feet
#adNilight #ad - Package included 1x 7-way trailer plug with junction box 4 x open gaskets 4 x Close gaskets. Simply your wire harness 7-way copper blade molded into a heavy duty plug provides a fast and simplified way for wires connection as well as keeping all your trailer wiring in order.Convenient trailer wiring sturdy junction box with color marked 7-poles convenient for wiring left/right turn light brake signal lamp reverse light tail light etc Junction box is much easier than managing loose wires.
More information #ad
Good sealing performance four open and four close sealed rubber gaskets are provided to make the entire junction box waterproof dustproof and corrosion-proof. Fit type: Universal. Flexible connection 8ft long cord with soft and durable PVC housing Flexible Connection The length prevents it from being strained during an emergency turn 7-Way Connects Brake Running Reverse Turn Signals and Auxiliary Power.
Brand | Nilight #ad |
Manufacturer | Nilight #ad |
Height | 1 Inches |
Length | 80 Inches |
Weight | 2.75 Pounds |
Width | 2 Inches |
Part Number | 50024R |
Model | 50024R |
Warranty | 2 Years Warranty |
More information #ad
9. ONLINE LED STORE
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4 Pin Flat Trailer Wiring Harness Kit Wishbone-Style SAE J1128 Rated 25' Male & 4' Female 18 AWG Color Coded Wires 4 Way Flat 5 Wire Harness For Utility Boat Trailer Lights Kits
#adONLINE LED STORE #ad - 25' male & 4' female included- our 4-way trailer wiring harness includes both the male and female sides for added value. Sae j1128 rated- meets sae standards for a low voltage primary cable intended for use at a nominal system voltage of 60 V DC 25 V AC or less in surface vehicle electrical systems; backed by a 2 year warranty.Wishbone style wiring setup- wishbone design makes it easier to wire to the taillights; simplifies installation process.
More information #ad
18 awg color coded wires- color coded 18 awg wires clearly identify each wire's function; makes installation safe and straight-forward. For trailers under & over 80" wide- long total wire length 25' plus 4' make this trailer harness kit perfect for trailers measuring under or over 80" wide.Brand | ONLINE LED STORE #ad |
Manufacturer | ONLINE LED STORE #ad |
Height | 2.5 Inches |
Length | 7.5 Inches |
Weight | 0.95 Pounds |
Width | 3.5 Inches |
Part Number | ACCEPSCBL0105 |
Model | 4336325634 |
More information #ad
10. Hopkins Towing Solutions
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Hopkins 43395 Plug-In Simple Vehicle to Trailer Wiring Kit
#adHopkins Towing Solutions #ad - Hopkins manufacturing Corporation is highly recognized as the automotive industry leader in towing electrical products. Features corrosion resistant terminals.More information #ad
Utilizes oem connectors for enhanced fit and ultimate weatherproofing. Includes dust cover and grease packet. No cutting or splicing needed saving you valuable time.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