Best 7 Way Trailer Harness in 2022 [*Top Picks*]

Looking for the best 7 way trailer harness on the market? Weā€™ve got you covered. Check out our ratings of absolute bestsellers below and make a final decision.

6516 Reviews Scanned

  • MICTUNING Heavy Duty 7 Way Plug Inline Trailer Cord with 7 Gang Junction Box - 8 Feet, Weatherproof
    Bestseller #1
    MICTUNING Heavy Duty 7 Way Plug Inline Trailer Cord with 7 Gang Junction Box - 8 Feet, Weatherproof (1326)
      TIDY 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.Cautions: Pls read the plug diagram carefully and refer to the diagram to install this 7 way plug. CONVENIENT TRAILER WIRING - sturdy junction box with color marked 7-poles that can be easily identified, gives you more convenience for wiring left/right turn light, brake signal lamp, reverse light, tail light, etc. EXCELLENT CONSTRUCTION - adopted flameproof ABS junction box and good conductivity copper with solid cord, stronger and rugged, perfect for RVs, trailers, campers, caravans, food vans and other towed vehicles. FLEXIBLE CONNECTION - 8FT long cord with soft and durable PVC housing that offers you plenty of flexibility to wire it from the front to the rear of your car.NOT LIKE OTHERS, ONLY 4FT OR 6FT. BEST SEALING PERFORMANCE - 4 open & 4 close rubber fitted grommets for option based on your wiring needs, making the whole junction box waterproof, dustproof and corrosion resistant. WHAT YOU'LL GET:2 Year MICTUNING WARRANTY and lifetime best customer service, 1 x 7-Way Trailer Plug with Junction Box, 4x Open Grommets, 4x Close Grommets.
  • CURT 56601 Replacement 7-Pin RV Blade Trailer Wiring Harness Plug, 6-Foot Blunt-Cut Wires
    Bestseller #1
    CURT 56601 Replacement 7-Pin RV Blade Trailer Wiring Harness Plug, 6-Foot Blunt-Cut Wires (386)
      EASY GRIP. Plugging in your trailer wiring and trailer lights is easy with the ergonomic design of this trailer plug. It features two hooks on either side of the plug for a better grip when plugging in or unplugging trailer wiring WEATHER-RESISTANT. This trailer wiring plug comes with concealed wire terminals. This helps protect the splice-in connection points for the wires, keeping them safe from dirt, rain, corrosion and other threats RELIABLE CONNECTION. This 7-pin trailer wiring plug comes ready to splice into your existing trailer wiring. It can be used to connect the taillights, brake lights, reverse lights, turn signals, trailer brakes and auxiliary power VERSATILE DESIGN. This connector makes a great replacement 7-way RV blade harness and is interchangeable with virtually any 7-way RV connector. 7-pin trailer wiring is commonly used on RV travel trailers READY TO INSTALL. Equipped with blunt-cut, color-coded wires, this 7-pin trailer wiring plug comes ready to install. The 6-foot wire lead provides plenty of extra length for an easy installation
  • ONLINE LED STORE 8ft 7-Way Trailer Plug Cord Wiring Harness [7-Pin Trailer Wire Cable] [Brake & Light Control] [10-14AWG] 7 Prong Trailer Light Cord Wiring Connector for RV
    Bestseller #1
    ONLINE LED STORE 8ft 7-Way Trailer Plug Cord Wiring Harness [7-Pin Trailer Wire Cable] [Brake & Light Control] [10-14AWG] 7 Prong Trailer Light Cord Wiring Connector for RV (2426)
      PAINLESS REPLACEMENT - Easily upgrade the corroded old 7-way plug on your trailer, RV, food truck, or tow truck. EXCEPTIONAL VERSATILITY - Perfect for trailers with brakes, reverse lights, and any other auxiliary power needs such as charging trailer battery, powering interior lights, keeping the refrigerator cool, etc. EASY TO USE - Cable has been stripped and color coded to simplify the installation. The locking plug end features finger lugs for easy removal. SAFE AND SECURE CONNECTION - No more dangerous flickering lights or malfunctioning equipment. 10-14 AWG, high quality, double prong, copper terminals ensure a solid connection every time. LIFE PROOF - Commercial grade, kink free PVC sheathing is waterproof and corrosion resistant for years of reliable service.
  • CURT 58140 Trailer-Side 7-Pin RV Blade Wiring Harness Connector
    Bestseller #1
    CURT 58140 Trailer-Side 7-Pin RV Blade Wiring Harness Connector (386)
      EASY GRIP. Plugging in your trailer wiring and trailer lights is easy with the ergonomic design of this trailer plug. It features two hooks on either side of the plug for a better grip when plugging in or unplugging trailer wiring WEATHER-RESISTANT. This trailer wiring plug comes with concealed wire terminals. This helps protect the splice-in connection points for the wires, keeping them safe from dirt, rain, corrosion and other threats RELIABLE CONNECTION. This 7-pin trailer wiring plug comes ready to splice into your existing trailer wiring. It can be used to connect the taillights, brake lights, reverse lights, turn signals, trailer brakes and auxiliary power VERSATILE DESIGN. This connector makes a great replacement 7-way RV blade connector and is interchangeable with virtually any trailer-side 7-way RV connector. 7-pin trailer wiring is commonly used for towing RV travel trailers DURABLE CONSTRUCTION. For long-lasting use and a reliable connection, the housing of this 7-pin trailer wiring plug is made from durable black plastic that will never rust or corrode
  • Tri-Lynx 8200B Lynx Stay-Put Plug Holder, Black
    Bestseller #1
    Tri-Lynx 8200B Lynx Stay-Put Plug Holder, Black (386)
      UTILITY: Keeps connections clean and off the ground USER FRIENDLY: Easy to use and compact design makes it easy to store COMPATIBILITY: Can be used with all trailers with 7-way end connectors
  • Leisure Cords Heavy Duty 7 Way Plug Inline Trailer Cord with Weatherproof Double Prongs Connector (12 Ft)
    Bestseller #1
    Leisure Cords Heavy Duty 7 Way Plug Inline Trailer Cord with Weatherproof Double Prongs Connector (12 Ft) (2683)
      12 Foot 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. Replaces the trailer-end plug of any Standard 7-way harness - Commercial grade 7-pin trailer wiring harness Weatherproof and corrosion resistant wire kit Designed for RV trailers, caravans, food vans and other towed vehicles 7-way connects tail, brake, reverse, turn signals, brakes and auxiliary powe
  • Leisure Cords Heavy Duty 7 Way Plug Inline Trailer Cord with Weatherproof Double Prongs Connector (4 Ft)
    Bestseller #1
    Leisure Cords Heavy Duty 7 Way Plug Inline Trailer Cord with Weatherproof Double Prongs Connector (4 Ft) (2683)
      4 Foot 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. Replaces the trailer-end plug of any Standard 7-way harness - Commercial grade 7-pin trailer wiring harness Weatherproof and corrosion resistant wire kit Designed for RV trailers, caravans, food vans and other towed vehicles 7-way connects tail, brake, reverse, turn signals, brakes and auxiliary powe
  • CURT 58150 Vehicle-Side 7-Pin RV Blade Trailer Wiring Harness Connector
    Bestseller #1
    CURT 58150 Vehicle-Side 7-Pin RV Blade Trailer Wiring Harness Connector (386)
      PROTECTED. 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 WEATHER-RESISTANT. This trailer wiring socket comes with concealed wire terminals. This helps protect the splice-in connection points for the wires, keeping them safe from dirt, rain, corrosion and other threats RELIABLE CONNECTION. This 7-pin trailer wiring socket comes ready to splice into your existing vehicle wiring. It can be used to connect the taillights, brake lights, reverse lights, turn signals, trailer brakes and auxiliary power VERSATILE DESIGN. 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 DURABLE CONSTRUCTION. 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
  • Nilight 50051R 4 Flat to 7-Way Round RV Blade Trailer Adapter Reverse Plug with mounting Bracket, 2 Years Warranty
    Bestseller #1
    Nilight 50051R 4 Flat to 7-Way Round RV Blade Trailer Adapter Reverse Plug with mounting Bracket, 2 Years Warranty (386)
      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. Transfers the power from the vehicle to trailer. Voltage ranges: 6-24 Volts 4-pin flat socket designed to be converted to the 7-pin blade round type socket. Works on most vehicle wiring components like turn signals, brakes, reverse light and auxiliary power. Heavy duty black plastic construction prevents rusting, enhances appearance. Well sealed spring loaded cover increases protection against dust, moisture and corrosion. Wide Application: Suitable for most trailers, semitrailers, caravans, RV. Commonly used with T-connectors or tail lamp converters with 4-way flat car end connections Package includes: 1x Trailer Adapter Plug, 1xMounting bracket 6 screws and 6 nuts.
  • Oyviny Multi-Tow Vehicle-Side 7-Way Blade and 4-Way Flat Trailer Connector Wiring Harness for Ford, GM, Dodge Vehicles, Factory Tow Package and USCAR 7 Way Socket Required
    Bestseller #1
    Oyviny Multi-Tow Vehicle-Side 7-Way Blade and 4-Way Flat Trailer Connector Wiring Harness for Ford, GM, Dodge Vehicles, Factory Tow Package and USCAR 7 Way Socket Required (178)
      āž¤Multi-Plug Design. 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 āž¤USCAR Specific. 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. Noteļ¼šPlease check the connector behind your vehicle before buying, thanks! āž¤Durable Construction. 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 āž¤Dust Cover. 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 āž¤Plug and Play. Trailer wiring harness socket plugs into factory 7-way USCAR socket on your vehicle, no cutting and splicing, mounting bracket and hardware included. connectors can be used to connect the taillights, brake lights, turn signals, reverse lights, trailer brakes and auxiliary power
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