The Best Trailer Connectors of 2023

The new patent-pending LED series incorporates built-in trouble-shooting

If the trailer lights are not functioning correctly, you can isolate the problem by simply looking at the adapter

Includes function testing LEDs

7 Way RV blade to 4 Wire flat

Take the guesswork and frustration out of vehicle to trailer wiring

EASY GRIP. Plugging in your trailer wiring and trailer lights is easy with the ergonomic design of this trailer plug. It features tabs on the top and bottom for a better grip when plugging into your vehicle or unplugging

RELIABLE CONNECTION. 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

VERSATILE DESIGN. This trailer connector makes a great replacement 4-flat trailer wiring connector. The 4-pin wiring design matches industry-standard 4-way flat sockets and can be used on a wide variety of trailers

DURABLE CONSTRUCTION. 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. Equipped with blunt-cut, color-coded wires, this 4-prong trailer wiring plug comes ready to install. The 12-inch wire lead provides extra length for an easy installation

Multi-Tow connector provides multiple towing options from one connector

Utilizes OEM connectors create an exact fit and maximum weatherproofing

Impact and corrosion resistant

Pre-greased terminals for added protection

Includes step-by-step instructions

Packaging may vary slightly

RELIABLE PROTECTION. This dust cover is the ideal way to protect your 4-way flat vehicle connector when not towing. It protects the wiring terminals against dirt, water, debris and rust to maintain a strong, long-lasting connection

STANDARD FIT. This connector dust cover features an industry-standard size to fit virtually any vehicle 4-flat wiring plug. It is designed specifically for the vehicle side of the connection

LONG-LASTING. This 4-way flat dust cap is made from durable molded black rubber, meaning it will never rust or corrode, in spite of frequent exposure to rain, snow, mud and other elements

EASY TO INSTALL. This 4-pin wiring cover installs quickly and easily. Just press it onto the vehicle plug whenever needed! The friction fit eliminates the need for tools or additional components

ALWAYS ON HAND. This 4-flat vehicle-trailer wiring dust cover is equipped with an attachment loop to attach to the vehicle wiring harness and always stay on-hand whenever needed

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.

Fit type: Vehicle Specific

Brass terminals for better conductivity

Strain relief clamp keeps trailer wire from pulling out of connector

Part number: 74127

Includes one 48" vehicle end connector and one 12" trailer end connector

Includes 6 splice connectors

Wire functions printed on wire for easy reference

Corrosion resistant terminals

Meets SAE standards

Fit type: Universal Fit

Utilizes OEM connectors create an exact fit and maximum weatherproofing

Multi-Tow feature provides multiple towing options from single connector

Powers tail lights and turn signals on towed vehicle

Weathproof lid opens 180 degrees and oversized hinge offers ultimate durability and

Mounting bracket and accessories included

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

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 HUB_US: AD25

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