All you need to know about Trailer Connectors – March 2021 Edition

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Looking to find the best Trailer Connectors?

We researched 16 Trailer Connectors, tested 10, and we have done 16 hours of research. The best Trailer Connectors doesn’t have to be complicated to be great. Our first pick is exactly that. No more, no less. It also costs less than any other products we tested.

The best

No. 1
CURT 58092 Vehicle-Side and Trailer-Side 6-Pin Round Wiring Harness Connectors
  • EASY GRIP. Plugging in your trailer wiring and trailer lights is easy with the ergonomic design of these trailer wiring connectors. The trailer plug features tabs on the sides for a better grip when plugging into the vehicle socket or unplugging
  • VERSATILE DESIGN. These connectors make great replacement 6-way wiring plugs and sockets. They connect the taillights, brake lights, turn signals, electric trailer brakes and an auxiliary power wire
  • DURABLE CONSTRUCTION. For long-lasting use and a reliable connection, the housing of these 6-pin trailer wiring connectors is made from strong, durable die-cast metal
  • RELIABLE CONNECTION. These 6-way round trailer wiring connectors are equipped with locking tabs that secure the plug into the socket when inserted. This helps maintain a reliable wiring connection in spite of bumps and vibrations while towing
  • WEATHER-RESISTANT. To help protect the splice-in wiring connections, these 6-wire trailer plugs feature concealed terminals, keeping the wires from direct exposure to rain, dirt, road salt and other corrosive threats (wires not included)

Intro

Everything you need to know about Trailer Connectors before getting yourself one! Learn about this product comparison that we made especially for you. You have a wide selection to choose from when you’re looking for a Trailer Connectors (size, brand, product’s solidity and reliability…). That’s why we created, for this type of item, a ranking based on the best value for money according to various brands and prices. We aim to help you find the Trailer Connectors that will meet your expectations and budget. You can learn about some presentation and/or functioning details thanks to Amazon customers who review the products featured on this comparison. This top 10 is regularly reworked to remain up-to-date and useful to you. Let’s find the Trailer Connectors that is just right for you!

Our picks

No. 1
CURT 58092 Vehicle-Side and Trailer-Side 6-Pin Round Wiring Harness Connectors
  • EASY GRIP. Plugging in your trailer wiring and trailer lights is easy with the ergonomic design of these trailer wiring connectors. The trailer plug features tabs on the sides for a better grip when plugging into the vehicle socket or unplugging
  • VERSATILE DESIGN. These connectors make great replacement 6-way wiring plugs and sockets. They connect the taillights, brake lights, turn signals, electric trailer brakes and an auxiliary power wire
  • DURABLE CONSTRUCTION. For long-lasting use and a reliable connection, the housing of these 6-pin trailer wiring connectors is made from strong, durable die-cast metal
  • RELIABLE CONNECTION. These 6-way round trailer wiring connectors are equipped with locking tabs that secure the plug into the socket when inserted. This helps maintain a reliable wiring connection in spite of bumps and vibrations while towing
  • WEATHER-RESISTANT. To help protect the splice-in wiring connections, these 6-wire trailer plugs feature concealed terminals, keeping the wires from direct exposure to rain, dirt, road salt and other corrosive threats (wires not included)
No. 2
CURT 58140 Trailer-Side 7-Pin RV Blade Wiring Harness Connector
  • 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
SaleNo. 3
CURT 55774 Dual-Output Vehicle-Side Trailer Wiring Harness Connectors for USCAR, 7-Pin, 4-Pin
  • VERSATILE DESIGN. This dual-output connector is a great upgrade for a variety of vehicles with a USCAR socket. It provides two standard trailer wiring sockets, a 4-way flat and an RV blade 7-way round socket, allowing for versatile towing options
  • WEATHER-RESISTANT. This two-way trailer wiring socket is designed to outlast weather exposure. The 7-pin socket has a spring-loaded dust cover that keeps the connection points dry and protected when not in use
  • RELIABLE CONNECTION. These trailer wiring sockets come ready to plug into existing vehicle wiring, using the factory USCAR socket. They connect the taillights, brake lights, turn signals, reverse lights, electric trailer brakes and aux power
  • USCAR-SPECIFIC. This trailer wiring harness socket is designed for specific vehicles with an industry-standard USCAR socket
  • DURABLE CONSTRUCTION. 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

Why you should trust us

This guide represents more than 10 years of experience in researching, testing, and writing about many subject. Our people are experts in all of their fields.
We alors spent 16 hours reading any article we could find on the internet and all the customer reviews at various retailer sites such as those of Amazon, Home Depot or Wallmart. We found many website that was a valuable resource with involved buying guides and detailed Trailer Connectors information.
As for me, I’m very familiar with the Trailer Connectors since I got it from 5 years.

Top 10

No. 1
CURT 58092 Vehicle-Side and Trailer-Side 6-Pin Round Wiring Harness Connectors
  • EASY GRIP. Plugging in your trailer wiring and trailer lights is easy with the ergonomic design of these trailer wiring connectors. The trailer plug features tabs on the sides for a better grip when plugging into the vehicle socket or unplugging
  • VERSATILE DESIGN. These connectors make great replacement 6-way wiring plugs and sockets. They connect the taillights, brake lights, turn signals, electric trailer brakes and an auxiliary power wire
  • DURABLE CONSTRUCTION. For long-lasting use and a reliable connection, the housing of these 6-pin trailer wiring connectors is made from strong, durable die-cast metal
  • RELIABLE CONNECTION. These 6-way round trailer wiring connectors are equipped with locking tabs that secure the plug into the socket when inserted. This helps maintain a reliable wiring connection in spite of bumps and vibrations while towing
  • WEATHER-RESISTANT. To help protect the splice-in wiring connections, these 6-wire trailer plugs feature concealed terminals, keeping the wires from direct exposure to rain, dirt, road salt and other corrosive threats (wires not included)
No. 2
CURT 58140 Trailer-Side 7-Pin RV Blade Wiring Harness Connector
  • 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
SaleNo. 3
CURT 55774 Dual-Output Vehicle-Side Trailer Wiring Harness Connectors for USCAR, 7-Pin, 4-Pin
  • VERSATILE DESIGN. This dual-output connector is a great upgrade for a variety of vehicles with a USCAR socket. It provides two standard trailer wiring sockets, a 4-way flat and an RV blade 7-way round socket, allowing for versatile towing options
  • WEATHER-RESISTANT. This two-way trailer wiring socket is designed to outlast weather exposure. The 7-pin socket has a spring-loaded dust cover that keeps the connection points dry and protected when not in use
  • RELIABLE CONNECTION. These trailer wiring sockets come ready to plug into existing vehicle wiring, using the factory USCAR socket. They connect the taillights, brake lights, turn signals, reverse lights, electric trailer brakes and aux power
  • USCAR-SPECIFIC. This trailer wiring harness socket is designed for specific vehicles with an industry-standard USCAR socket
  • DURABLE CONSTRUCTION. 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
No. 4
NEW SUN 4 Flat to 7 Way Blade Trailer Adapter Electrical Connector with Mounting Bracket
  • Converts your vehicle's 4-way flat trailer connector to a 7-way, RV-style connector
  • Extremely durable ABS plastic construction, weatherproof and corrosion resistance
  • Wiring harness plugs into existing 4-way flat connector and hardware to existing wiring
  • Works on most vehicle wiring component like turn signals, brakes and auxiliary power
  • Simple installation: All necessary mounting bracket and screws+nuts included
No. 5
CURT 58380 Vehicle-Side and Trailer-Side 4-Pin Flat Wiring Harness with 12-Inch Wires
  • EASY GRIP. Plugging in your trailer wiring and trailer lights is easy with the ergonomic design of these vehicle-trailer connectors. They feature tabs on the top and bottom for a better grip when plugging in or unplugging
  • RELIABLE CONNECTION. These 4-pin trailer wiring plugs come ready to splice into your existing vehicle and trailer wiring. They can be used to connect the taillights, brake lights and turn signals
  • VERSATILE DESIGN. These vehicle-trailer connectors make great replacement 4-flat wiring plugs and sockets. The 4-pin wiring design matches industry-standard 4-way flat connectors and is compatible with a wide variety of trailers
  • 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
  • READY TO INSTALL. Equipped with color-coded wires, these 4-prong trailer wiring connectors come ready to install. The 12-inch wire loop provides extra length for an easy installation
No. 6
WOFTD Trailer Plug Adapter 7 Pin Flat Blade to 4 and 5 Round Trailer Connector Trailer Adapter 7 Way to 4 Way 5 Way 2-in-1 Flat Blade Plug
  • 7-way Flat Blade to a 4-way or 5-way Round trailer connector, RV-style connector.
  • Eliminates the need for cutting or splicing. Hassle free setup, no wiring nor splicing required.
  • The WOFTD trailer plug adapter adopts the 2 in 1 design, which combines 4 way plug with 5 way plug, and can be used by most trailers, easily convert 7 way Flat Blade into 5 way and 4 way round connector.
  • The plug with copper pin contacts, better electrical conductivity. With a strong casing, it is highly waterproof, wear-resistant, flame retardant and cold resistant, and extremely durable.With the two dust covers at the plug, it can prevent the plug from being infected with dust.
  • Please feel free to contact us at first if there is any problem when you receive or use our products. We are always here to support you.
No. 7
CURT 58050 Vehicle-Side and Trailer-Side 4-Pin Flat Wiring Harness with 72-Inch Wires
  • EASY GRIP. Plugging in your trailer wiring and trailer lights is easy with the ergonomic design of these vehicle-trailer connectors. They feature tabs on the top and bottom for a better grip when plugging in or unplugging
  • RELIABLE CONNECTION. These 4-pin trailer wiring plugs come ready to splice into your existing vehicle and trailer wiring. They can be used to connect the taillights, brake lights and turn signals
  • VERSATILE DESIGN. These vehicle-trailer connectors make great replacement 4-flat wiring plugs and sockets. The 4-pin wiring design matches industry-standard 4-way flat connectors and is compatible with a wide variety of trailers
  • 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
  • READY TO INSTALL. Equipped with color-coded wires, these 4-prong trailer wiring connectors come ready to install. The 72-inch wire loop provides plenty of extra length for a flexible installation
No. 8
Wesbar 787268 Trailer End Connector Wire
  • Wesbar 787268 4-Way Flat Wiring Connector; Trailer End; 8 ft. Jacketed Cable;
No. 9
Reese Towpower 74127 Plastic 7-Way Flat Blade Trailer End Connector - Black
  • Fit type: Vehicle Specific
  • Brass terminals for better conductivity
  • Strain relief clamp keeps trailer wire from pulling out of connector
  • Part number: 74127
SaleNo. 10
MICTUNING 4-Way Flat to 7-Way Round Blade Trailer Adapter Wiring Plug Connector with Mounting Bracket
  • Make the Wiring Easier - Plug and play, convert the car's 4-pin flat socket to the 7-pin blade round socket for the trailer, synchronize the trailer's signal light, and customize the plug-in wiring system to connect the trailer, which is very convenient and solves the trouble of rewiring every time
  • High-quality Manufacturing - Using pure copper as the inner core, greatly improves the electrical conductivity. With the high-quality PVC shell, wear-resistant, corrosion-resistant, effectively waterproof and long service life
  • Provide Extra Protection - With the spring-loaded cover, high dust-proof, to avoid the adapter damage from the external environment when it is not in use
  • Simple to Install - Equipped with mounting bracket, screws, and nuts, just find the right position to install and tighten the nut to install successfully
  • Wide Application - Applicable to all towing vehicles that don't require electric brakes, including trailers, semi-trailers, RVs, etc

How we tested

We search all the field to find the best Trailer Connectors and all the type for it and get the best alternatives, priced decently, and easy to use. After that we tested all the main parameters we use : These things can separate the great Trailer Connectors from the good.

  • Easy To use
  • Options
  • Quality
  • Longevity

How we picked

We search for all the field to find the best Trailer Connectors and all the type for it and get the best alternatives, priced decently, and easy to use.
The main parameters we use : These things can separate the bad Trailer Connectors from the good.

  • Price
  • Easy To use
  • Customer reviews
  • Quality
  • Longevity
  • Dimensions

Current Offers

SaleNo. 1
CURT 55774 Dual-Output Vehicle-Side Trailer Wiring Harness Connectors for USCAR, 7-Pin, 4-Pin
  • VERSATILE DESIGN. This dual-output connector is a great upgrade for a variety of vehicles with a USCAR socket. It provides two standard trailer wiring sockets, a 4-way flat and an RV blade 7-way round socket, allowing for versatile towing options
  • WEATHER-RESISTANT. This two-way trailer wiring socket is designed to outlast weather exposure. The 7-pin socket has a spring-loaded dust cover that keeps the connection points dry and protected when not in use
  • RELIABLE CONNECTION. These trailer wiring sockets come ready to plug into existing vehicle wiring, using the factory USCAR socket. They connect the taillights, brake lights, turn signals, reverse lights, electric trailer brakes and aux power
  • USCAR-SPECIFIC. This trailer wiring harness socket is designed for specific vehicles with an industry-standard USCAR socket
  • DURABLE CONSTRUCTION. 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
SaleNo. 2
MICTUNING 4-Way Flat to 7-Way Round Blade Trailer Adapter Wiring Plug Connector with Mounting Bracket
  • Make the Wiring Easier - Plug and play, convert the car's 4-pin flat socket to the 7-pin blade round socket for the trailer, synchronize the trailer's signal light, and customize the plug-in wiring system to connect the trailer, which is very convenient and solves the trouble of rewiring every time
  • High-quality Manufacturing - Using pure copper as the inner core, greatly improves the electrical conductivity. With the high-quality PVC shell, wear-resistant, corrosion-resistant, effectively waterproof and long service life
  • Provide Extra Protection - With the spring-loaded cover, high dust-proof, to avoid the adapter damage from the external environment when it is not in use
  • Simple to Install - Equipped with mounting bracket, screws, and nuts, just find the right position to install and tighten the nut to install successfully
  • Wide Application - Applicable to all towing vehicles that don't require electric brakes, including trailers, semi-trailers, RVs, etc
SaleNo. 3
Reese Towpower 85475 Professional Series 7-Way Blade Vehicle End Connector
  • Corrosion resistant tin plated contacts
  • Snap on strain relief terminal cover with gasket to seal out moisture and dust
  • Extended cover opening allows for greater visibility to make connections
  • Durable glass reinforced nylon construction
  • Mounting bracket and hardware included
SaleNo. 4
CURT 58150 Vehicle-Side 7-Pin RV Blade Trailer Wiring Harness Connector
  • 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
SaleNo. 5
CURT 58170 Vehicle-Side 7-Pin Round Trailer Wiring Harness Socket
  • SPRING-LOADED COVER. To promote long-lasting use and weather resistance, this round 7-pin trailer wiring socket comes with a spring-loaded dust cover. It protects the 7-way connector when not in use, shielding it from the outdoor elements
  • VERSATILE DESIGN. This connector makes a great replacement 7-way wiring socket. It connectors and connects the taillights, brake lights, turn signals, reverse lights, electric trailer brakes and an auxiliary power wire
  • DURABLE CONSTRUCTION. For long-lasting use and a reliable connection, the housing of this 4-pin trailer wiring connector is made from strong, durable die-cast metal
  • RELIABLE CONNECTION. This 7-way round trailer wiring socket is equipped with a locking tab on the inside of the dust cover that secures the plug in place when inserted. This helps maintain a reliable wiring connection
  • WEATHER-RESISTANT. To help protect the splice-in wiring connections, this 7-wire vehicle socket features concealed terminals, keeping the wires from direct exposure to rain, dirt, road salt and other corrosive threats (wires not included)

Conclusion

As you may have seen, the best Trailer Connectors are not always the most expensive. We hope this top 10 has been a useful tool in your choice of Trailer Connectors. Your comments are welcome. This comparison is regularly updated, so you will always find the latest products on the market in this ranking.

Last update on 2021-03-08 at 12:03 / Affiliate links / Images from Amazon Product Advertising API

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