Best Oyviny in 2026

This 4 pin trailer connector is designed to match industry-standard 4-way flat sockets, provides a male plug for your trailer and can be used to replace a worn out, broken wire on a wide variety of trailers.

The 4 way trailer cable and moulded end is thick the beefy, durable for a long service life. A heavy duty jacketed cable is going to protect the 18AWG red copper wire against the elements.

4-pin trailer wiring plug is well built and plugs into the tow vehicle easily and remains connected. 5ft wire is long enough to wire a trailer from the start, provides plenty of extra length for a flexible installation. With wider tabs on both side, this upgraded 4 pin trailer wiring offers better grip when plugging in and out.

Trailer 4 Pin Extension. 4 pin flat trailer wire extension with a male and female end, great for extending your trailer lights wire hookup to your vehicle, widely used for all types of trailers with 4 way flat plug like boat trailer, utility trailer and horse trailer

Stable Connection. This 4 pin trailer wiring extension is 8ft long; Flat 4 wire trailer extension supplys power for trailer taillights, brake lights and turn signals lights

Well Protected. Both of the 4 way male and female trailer connectors are equips with rubber dust cover, protects the terminals from water and dust when not in use. The whole extension is wrapped by a nylon net tube to make the wires wear-resistant

Perfect Y-Connector. 4 Way Y-Splitter harness contains 1 male and 2 female connectors that allows you to power 2 LED light bars at one time No complicated wiring or splicing

High Quality Trailer Splitter. Y-Splitter housing made of a premium insulated silicone, waterproof and anti-electric, can be safely wired, flexible and durable, ensure long service life

17.5" long 4-pin Y-splitter dual output plug adapter. The 2 female adapter comes with 2 waterproof rubber cover, which keeps the connection points dry, and protect the plug from dusts and corrosion

5 pin trailer connector with a 22 inch wire pigtail, 5-Way trailer harness connects to your tow vehicle to control trailer light functions, ideal for marine trailers with hydraulic or surge brakes

High quality 5 way trailer plug, resisting corrosion brass and tin-plated terminal provides good conductivity and rubber-molded connector makes it better waterproof and longer using life

Pre-Stripped 5 pin trailer wiring harness makes installation quick and easy; 5 way color-coded bonded wires respectively stand for tail lights, brake lights, turn signals, reverse lights and ground

➤Multi-Plug Design. This dual-output trailer adapter 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

➤USCAR Specific. This USCAR 7 pin trailer plug adapter is designed for specific vehicles with a factory tow package, Compatible with Ford, GM, Dodge vehicles with the factory 7-way USCAR socket. 📢Note：Please check the connector behind your vehicle before buying, thanks!

➤Plug and Play. USCAR to rv 7 way trailer adapter 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

2 in 1 Design. This trailer light tester combines both 4 way circuit tester and 7 way trailer light tester, allows you to test both the 4 pin and the 7 blade connectors. Easy and quick to test trailer circuits on most trucks. ( Notes: 📢The trailer tester will upside down when testing for 2017 Newer Ford/GMC/Chevy model 📢7 pin trailer plug tester is unable to test LED lighting system 📢Doesn't work with vehicle has a lamp-out sensor, such as BMW, VW, Audi, Mercedes-Benz, Porsche etc.)

6 Light Functions. Versatile trailer wiring tester can be used to test 6 separate trailer light functions, quickly confirm the functionality of taillights, brake lights, reverse lights, turn signals, electric trailer brakes and 12V auxiliary power on your vehicle

Bright LED Indicators. Plug in 4 way and 7 way trailer light tester equips a LED light for each electrical function. Plugging the light tester and check, you can easily read the green LEDs and find out which wiring has a problem

7 Way Trailer Plug. Universal 7 pin vehicle side and trailer side wiring plug come ready to splice into your existing trailer wiring. They can be used to connect the taillights, brake lights, reverse lights, turn signals, trailer brakes and auxiliary power

Durable and Light Construction. For long-lasting use and a reliable connection, the housing of the rv 7 blade plug is made from heavy black plastic to prevent it from rusting and corrosion; Brass terminals makes better conductivity!

7 Blade Trailer Connector. Plugging in your trailer wiring and trailer lights is easy with the ergonomic design of this 7 pin electrical plug. 7 way female trailer plug features 2 handle hooks on either side of the plug for a better grip when plugging in or unplugging trailer wiring

➤Frontier Trailer Wiring Harness. This frontier tow harness compatible with 2005-2022 Nissan Frontier/2005-2010 Pathfinder/2005-2015 Xterra and 2009-2012 Suzuki Equator, perfect for replacing damaged OEM wiring harness

➤Standard 4 Way Plug. Custom xterra trailer wiring harness provides a 4-way flat trailer connector to power your trailer's signal lights. Note: This Xterra/Frontier trailer harness is a perfect replacement for vehicles already has tow package, it will give you running lights, brake lights and turn signals. If your vehicle doesn't have a tow package, you won't get running lights on trailer, you need to get the relays from the dealers so that running lights will work

➤Well Protected. The whole aftermarket pathfinder trailer wire harness is protected by black nylon wire loom to keep them bundled together and well protected, ensure long service life. 70 inches long wire offers plenty of flexibility for towing

Multi-Function Wiring Harness. USCAR 4 Way Trailer Wiring Harness plugs into existing USCAR connector on your vehicle, provides a 4-way flat socket while retaining use of the existing OEM 7-way connector.

Used for Tailgate Light Bar. USCAR 7 way to 4 way trailer wiring great for providing a 4-prong trailer connector to install a light bar under the tailgate. Plug and play, no need to cut wires.

Standard 4 Way Connector. USCAR 7 pin tailgate light wiring harness ties your trailer's electrical system into the vehicle's Brake Light, Turn Signal Light and Taillights. 4-pin trailer wiring is widely used in most trailers, adding versatile towing options.

Waterproof Sealed. Different from normal 7way plug, Oyviny upgraded 7 pole trailer plug equips with detachable compression nut and rubber grommet on the end to keep out moisture, protects the terminals from water and dust. Size of the wire inlet is 3/4'' NPT

Sturdy 7 Way Trailer Plug. This male-end 7 pin trailer adapter plug provides a secure connection between your trailer and tow vehicle, 7 pin plug comes ready to splice into your existing trailer wiring to connect taillights, brake lights, reverse lights, turn signals, trailer brakes and auxiliary power

Good Strain Relief. All the terminals inside the trailer 7 way plug are tightly keep in place by screw strain relief clamp, which keeps trailer wires from pulling out of the connector, offer reliable connection

Neat Wiring Harness. 7-way copper wire molded into a heavy duty plug, provides a fast and simplified way for wires connection, keeps all your wires in order, perfect for RVs, trailers, campers, caravans, food vans and other towed vehicles

Excellent Construction. 7 Pin trailer cord use premium double prongs to replace poor single prong, adopt solid copper cord, stronger and rugged, brass terminal ensure a solid connection every time and makes better conductivity

Durability. 4 feet trailer extension cable are coated with thick yet flexible insulation, offering kink-free flexibility and withstanding all weather conditions. Soft and durable PVC sheathing is waterproof and corrosion resistant for reliable and long service life

➤Boat Circuit Breaker: This 60A Car Audio Inline Circuit Breaker effectively stops power surges from damaging your amps, protects your trolling motor from electrical damage, solve the problem of short circuit

➤Manual Reset Button. High Current Circuit Breaker comes with manual reset button, can be used as an on/off button switch for the battery. Car Audio circuit breaker in place of an inline fuse holder, there’s no need to spend money to replace the inline fuse

➤Reliable Quality. Compact and lightweight design circuit breaker is water resistant, high-tech water resistant housing makes it safer. Features 2 rubber dust covers for water protection

Universal Brake Control Harness. This trailer brake controller wiring harness works with most of the brake controllers, quickly and easily transfer your brake controller between vehicles or to replace a lost or damaged wiring harness

Universal Fit. Replacement brake control plug-in harness works with Tekonsha P3, Voyager, Prodigy, and Primus Brake Controllers. Also works with Draw-Tite Intella-stop Xtreme, Intella-stop Ultra, Intella-stop Digital, and Activator III (5520) brake controllers

Save Cost. This brake control wiring allows you to use one controller in different vehicles, just unplugs from one truck and plugs into the other, saving the cost of owning two controls, no need to buy multiple brake controllers for your vehicles

4 Way Flat Trailer Extension. 4 flat trailer extension cable with a male and female end, great for extending your trailer lights wire hookup to your vehicle, widely used for all types of trailers with 4 way flat plug like boat trailer, utility trailer and horse trailer

Well Protected. Both of the 4 way male and female trailer connectors are equips with rubber dust cover, protects the terminals from water and dust when not in use. The whole extension is wrapped by a nylon net tube to make the wires wear-resistant

Plug and Play. Flat 4 trailer extension comes with plug&play design, simply plug the connectors into the existing wiring to provide connections for both vehicle and trailer, No cutting or splicing need

5 Pin Flat Extension. 5-way flat wiring harness extension with a male and female end, can be cut to splice into existing wiring or directly serve as a useful extension harness. Ideal for marine trailers with hydraulic or surge brakes

Universal 5 Way Socket. 5 pin trailer connector extension is universal for all trailers and all tow or haul vehicles with a 5-way plug. Perfect to replace your old worn out harness, provides electricity to the back lights of a trailer

Color-Coded Wires. 5-prong 18 guage color-coded wiring extension comes ready to install. 5 way bonded wires respectively stand for tail lights, brake lights, turn signals, reverse lights and ground

Detachable Design. 7 pin trailer pigtail adopts a detachable design with good sealing performance, simply insert the provided male terminals into the female terminal on the pigtail for connection. Different from other 7 pin trailer wiring, Plug&Play detachable design allow you to easily disassemble or connect the wire at any time.

Convenient Replacement. 7 way trailer wire features detachable design of wire and plug, unique design allows you to replace the plug or wire only when one is broken, without having to replace both, more cost-effective and convenient.

Reliable Connection. 7 pin color-coded trailer cable can be used to connect trailer taillights, brake lights, reverse lights, turn signals, trailer brakes and auxiliary power; 12V power pigtail on the harness can be used to power your backup camera.

20 Foot / 8 Gauge Red Power Cable, High Quality Competition Fuse Holder

3 Foot - 8 Gauge Black Ground Cable

16 Foot / 18 Gauge Blue Turn-On Wire, 30 Foot / 16 Gauge Speaker Wire

Vehicle specific replacement trailer wiring harness for vehicles originally equipped with a factory installed tow package - perfect for replacing damaged or missing factory harnesses

Quick and easy plug-in installation - no cutting or splicing necessary; simply plug into the existing vehicle connector, insert the provided fuse and you are ready to start towing

Circuit protected ModuLite module ensures electrical system compatibility between tow vehicle and trailer, and protects the tow vehicle from harmful electrical shorts or incorrect wire connections

High Quality Ultra Flexible Soft Silicone Rubber Copper Wire!Super Low Impedance,Highly Efficient!

High strand count copper core,14 AWG silicone stranded wire has 400 strands 0.08 mm tinned copper wire,the copper strands are tinned,protecting them from corrosion and making it easier to solder.

They are constructed with premium silicone rubber insulation.High temperature resistance 200 degree C,Low temperature resistance,in extreme cold -60 degree C.Rated Voltage: 600 volts.Outside diameter 3.5 mm,tolerance +/- 0.1 mm.

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.Fit Type: Vehicle Specific

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

VEHICLE-SPECIFIC. This aftermarket, vehicle-trailer wiring harness is designed for select years of the Subaru Ascent, Forester, Outback, Crosstrek and XV Crosstrek (factory tow package required)

Good Assortment:This 330pcs non-insulated wire terminals kit includes 90pcs non-insulated fork terminals&240pcs non-insulated ring terminals for 22-10 gauge.Applied in auto,ship,DIY,etc.

Brazed Seam:Pure red copper ring terminal barrels are fully closed after crimping.Providing increased current and prevent failure during use.

Tight And Firm Connection:Solidly made results in super strong connections.Built in separator,keep the incoming wires align.

Tekonsha 3040 Brake Control Wiring Adapter; 2 Plugs;

Vehicle specific brake control wiring harness

For brake controls with wiring port built into back of unit

Plug the brake control end of wiring harness into back of brake control and vehicle end into vehicle's port

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

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

VEHICLE-SPECIFIC. This aftermarket, vehicle-trailer wiring harness is designed for select years of the Chevrolet Equinox and GMC Terrain

Sturdy&Durable: This cable is made of weave steel and wrapped with UV-resistant PU material, anti-corrosion, durable,sturdy, not easy to break.

Flexible Coiled Design: The coiled design can protect breakaway cable from dragging on the ground, extending to 4 feet.

Function: Professionally designed to minimize the possibility of accidents while towing RV, trailer etc.

EFFORTLESS TRAILER WIRING: Use the ABN Trailer Wire Extension, 10’ Foot, 4-Way 4-Pin Plug Flat 20 Gauge – Hitch Light Trailer Wiring Harness Extender to extend current truck to trailer wires

VARIOUS APPLICATIONS: 4-way standard flat light connector with trailer ends; For all types of trailers including marine boat trailer, horse trailer, motorcycle trailer, ATV trailer, and other cargo utility trailer hitches (tow/haul vehicle must have 4-way plug)

BUILT TO LAST: Heavy-duty 20-gauge wires for strength and longevity; Color-coded for your convenience

16 gauge wire - in 6 Bright colors rolls of 100ft 16 gauge auto wire

16 gauge auto wire single conductor, remote, turn on, hook up wire, stranded copper clad aluminium 16 gauge wire

Flexible 16 gauge auto wire, insulated 16 gauge wire, and jacketed in PVC; Rated 158 degrees Fahrenheit (6 to 80 Volts)

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

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

VEHICLE-SPECIFIC. This aftermarket, vehicle-trailer wiring harness is designed for select years of the Jeep Wrangler JL and Jeep Gladiator

7PIN TO 4/5 PIN - Converts 7-way round trailer connector to a 4-way or 5-way, RV-style connector.

TRAILER PLUG - Applicable for utility RV boat camper trailer car carrier.

EASY TO USE - Simple plug-and-play, eliminates the need for cutting or splicing. Hassle free setup, no wiring nor splicing required, Just Plug-N-Play.

EFFORTLESS TRAILER WIRING: Use the ABN Trailer Wire Extension, 1’ Foot, 4-Way 4-Pin Plug Flat 20 Gauge – Hitch Light Trailer Wiring Harness Extender to extend current truck to trailer wires

VARIOUS APPLICATIONS: 4-way standard flat light connector with trailer ends; For all types of trailers including marine boat trailer, horse trailer, motorcycle trailer, ATV trailer, and other cargo utility trailer hitches (tow/haul vehicle must have 4-way plug)

BUILT TO LAST: Heavy-duty 20-gauge wires for strength and longevity; Color-coded for your convenience