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When purchasing a product, price is the consumer's primary concern. At present, Oyviny has 198 products for sale. Oyviny products range in price from $9.99 to $56.99, and the average price of all the products is about $22.13.

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Oyviny Best Sellers

Last Updated: Jan 13, 2025

Oyviny 7 Pin Round to 4 Pin and 5 Pin Flat Blade Trailer Adapter, 7 to 5 Pin Trailer Plug Adapter 2-in-1 Design

7 Pin to 4 and 5 Pin Trailer Adapter: Oyviny trailer plug adapter adopts the 2 in 1 design, converts a 7 way RV-style connector to a standard 4-pin or 5-pin flat trailer connector, suitable for Chevrolet, Ford, Dodge, RAM, Toyota or GMC, Boat, Trailer, RV, ATV etc.
7 Pin to 5 Pin Trailer Adapter: Tight-fitted 7 way to 5 way towing adapter features standard round 7-way flat blade connector, easily snaps into trailer's existing socket and holds securely, NO LOOSE FITTING
Durable Construction: Heavy duty nylon housing is waterproof and temperature resistant, Brass terminals provide superior conductivity; With 2 dust covers at the plug, it keeps terminals clean and protected when not in use towing a trailer
Easy Installation: Simple Plug & Play design eliminates the need for cutting or splicing, hassle free setup, easy to install and remove; 7 pin to 4 pin trailer adapter features two handles on either side of the plug for a better grip when plugging in or unplugging trailer wiring
Wide Application: 7 pin round to 4 pin flat trailer plug adapter works great with any factory OEM 7-way plug, you could choose to tow 4 way or 5 way trailer with one adapter, adding versatile towing options for your vehicle

Oyviny RV 7 Pin Trailer Plug with IP68 Waterproof Seal, Detachable 7 Way Round RV-Style Trailer Side Connector 7 Point Trailer Wiring Plug

Waterproof Sealed: Different from normal 7 way 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
Durable Construction: 7 blade trailer plug made from heavy duty grey plastic for long-lasting use, brass terminals ensure great conductivity; 7 way rv connector comes with 2 handle hooks on either side for a better grip to make plugging in easier and faster
Easy Installation: Installation just requires you to loosen the screws on the end and body of the plug to pull out the terminals end, splices the trailer light wiring into each terminals according to color and then assemble the plug

Oyviny 7 Way Blade & 4 Pin Trailer Light Circuit Tester with LED Indicators 6 Function Light Tester for RV Truck Trailer Socket Tester

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;
Acts as a 7 Pin to 4 Pin Trailer Plug Adapter: 7 way rv trailer tester can be also used as a 7 way to 4 way trailer adapter, converts the vehicle-side 7 pin output to a 4 pin flat adapter to connect the 4 way trailer light plug
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
Durable Construction: For long-lasting use, this 7 blade RV trailer tester is made from durable ABS plastic, which will never rust or corrode, Tin-Plated copper terminals makes great conductivity
Simple to Use: No batteries or wiring needed! 7 Blade & 4 Pin Tester is easy to use, ergonomic design is convenient for plugging in or unplugging; Widely used to test trailer light circuits on most Trucks, Boats, Trailers Campers, Caravans, Food Vans and other Towed Vehicles
Note 1: The trailer tester will upside down when testing for 2017 Newer Ford/GMC/Chevy model; Note 2: 7 pin trailer plug tester is unable to test LED lighting system; Note 3: Doesn't work with vehicle has a lamp-out sensor, such as BMW, VW, Audi, Mercedes-Benz, Porsche etc.

Oyviny 4 Pin 5 Wire Trailer Wiring Harness 22FT for Rewiring Trailer Both-Side Taillights, Pure Copper Wishbond Trailer Light Kit 4 Way Flat 5 Wire Trailer Plug w/Nylon Net Tube Protection

Y-Harness Connector: 4 pin trailer wiring harness adapter features wishbone design, widely fits for rewiring trailer that allows 2 brown wires running left and right taillights simultaneously; No need for splicing other wires
Color coded wires: 4 way 5 wire trailer side flat connector equips with color code wiring for a simple installation, you can easily splice into existing trailer wiring to connect the brake lights, turn signals and left and right side taillights
Durable Construction: 4 pin flat 5 wire harness kit use thickened PVC wire coating materials for anti-corrosion, pure copper wires for good conductivity, and is well protected by a black nylon net tube, ensure long service life
Enough length: 22 feet male 4 flat wire and 2.5 feet Ground wiring is long enough to wire a trailer from the start, provides plenty of extra length for a flexible installation
Wide Application: 4 pin 5 wire trailer connector replacement 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

Oyviny 4-Pin to 7-Way Round Blade Trailer Adapter W/Mounting Bracket, 4 Way Flat to 7-Way Blade Reverse Wiring Harness Connector, 16AWG Copper Wire Trailer Light Plug for RV Truck Factory Tow Package

4 Flat to 7 Blade Trailer Adapter: 4 to 7 pin trailer adapter converts vehicle-side 4 way flat to 7 way blade trailer-side socket, making tight connection between vehicle socket and trailer plug; This item customizes the plug-in wiring system to connect the trailer, easy way to transfers the power from the vehicle
Well Protection: Both 4 way flat adapter and 7 blade trailer connector equip with a dust cover/spring-loaded cover, avoid the adapter damage from the external environment when the trailer adapter kit is not in use
Easy Installation: 4 flat to 7 blade trailer light adapter come with 1 mounting bracket, 6 screws and 6 nuts, just find a right position to install and tighten the nut, so convenient to connect the trailer wiring adapter to your trailer hitch or bumper
Durable Construction: 4 pin to 7 pin trailer connector is made from heavy duty plastic; tin-plated brass and 16 gauge copper wire ensure great conductivity; Black wire loom keeps the 4 pin wires for tidy and long lasting use
Wide Applications: 4 flat to 7 pin connector can be used with any factory OEM 7-way plug, widely used for marine, RV, ATV, Chevrolet, Ford, Dodge, RAM, Toyota or GMC. 7 inch wire lead between connectors provide flexible installation

Oyviny 7 Pin Round to 7 Pin RV Trailer Adapter with Mounting Bracket, 7 Pole Round to 7 RV Blade Adapter 14 Inches Length

7 Way Round to 7 Way Blade Trailer Adapter: This 7 pin to 7 pin adapter converts your vehicle side 7 pin round plug to trailer side rv standard 7 pin trailer connector; This adapter will only work on vehicles that brake lights are combined with turn signals, will NOT Work on semi tractors and some other vehicles that brake light is separate
Easy Installation: 7 way round pin to rv blade 7 pin adapter with Plug and Play design, connects your truck to trailer in seconds; 7 pin trailer mounting bracket and installation accessories also included, you don't need to buy other parts for installation
Durable Construction: 7-7 pin trailer adapter constructed with molded 7 way plug, which is sturdy and weather resistant, rv 7 pin trailer connector equips with a spring-loaded dust cover to protect the terminals from water and dust
Well Protected: 7 round to 7 blade trailer wiring is protected by a black nylon wire loom to keep wires bundled together and protect them from wear, ensure long service life; 14 inches wire lead between connectors provide flexible installation
Note: 7 pin round connector can vary from vehicle to vehicle, we suggest getting a tester and making sure that the pins on the 7-way blade connector are doing what you expect before you hook up a trailers, for some vehicle you may need to swap a couple of pins in the adapter

Oyviny 7 Way Blade to 4 Way Flat Trailer Adapter, Single-Function 7 Way Round to 4 Pin Trailer Wiring Connector 11.6 Inches

7 Pin to 4 Pin Trailer Adapter: This 7 to 4 trailer connector converts your vehicle's 7 way rv blade connector to a 4 way flat connector on your trailer, great for running power from your vehicle
Easy to Use: 7 Way to 4 Way trailer connector adapter is super easy to install, simply plug the rv blade 7 pin connector into the existing 7 pin socket on your truck, and plug the 4 pin connector to your trailer, easy plug and play installation
Well Protected: 7 pin to 4 pin trailer adapter extension is protected by a black nylon wire loom to keep wires bundled together and protect them from wear, ensure long service life
Durable Constructions: 7 to 4 pin trailer adapter constructed with molded 7 way rv plug, which is sturdy and weather resistant, 4 pin trailer plug comes with a rubber dust cover to protect the terminals from water and dust
Wide Applications: 7 way to 4 way trailer adapter supports customized plug in wiring systems for any towing situation, 6.5 inch wire lead between connectors provide flexible installation, widely used in most vehicles including caravan and RVs

Oyviny 3-in-1 Trailer Plug Tester 4/5 Pin Flat & 7 Pin Trailer Light Tester with Double-Sided LED Indicators, 5 Way & 7 Way RV Trailer Connector Tester, Not Suitable for Vehicle with Lamp Out Sensor

3 in 1 Design: This trailer wiring tester combines both 5 way and 7 way trailer tester, allows you to test the 4 pin flat, 5 pin flat and the rv blade 7 way trailer connectors, easy and quick to test trailer circuits on most trucks; Note: This trailer tester does NOT work with vehicle has a lamp-out sensor, such as 2020+ GMC, Chevrolet, BMW, VW, Audi, Mercedes-Benz, Porsche etc.
Upgraded Double-Sided LED Indicators: 5 pin flat & 7 pin trailer plug tester designed with LEDs on both sides for easy reading, Unlike the other testers only have one side leds, which make it hard to read; A great tool to help troubleshoot issues or verify you have install or fixed your trailer plug correctly
6 Light Functions: Versatile trailer socket 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: Multi-function trailer hitch 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
Durable Construction: For long-lasting use, this 7 pin trailer plug tester is made from durable ABS plastic, which will never rust or corrode, Tin-Plated copper terminals makes great conductivity
Simple to Use: No batteries or wiring needed; Trailer light checker is easy to use, ergonomic design is convenient for plugging in or unplugging; Widely used to test trailer light circuits on most Trucks, Boats, Trailers Campers, Caravans, Food Vans and other Towed Vehicles

Oyviny USA to EU Trailer Light Converter US Vehicle 7-Way Blade Socket Adapter to European Trailer 7-Pin Round Connector Plug and Play Trailer Converter Waterproof (Color:Black)

This Trailer Light Converter is designed for separating "stop" signal from the Two-Wire System US Vehicle to connect your European Trailer (caravan, boat trailer, bike carriers and others)
Trailer adapter constructed with integrated injection molding environmentally friendly plastic housing, it's waterproof and durable, and can be stored and extended to life when you are not using it
EU 7 Pin Connector equipped with a spring-loaded dust cover, which keeps connector clean when not in use, protects the brass terminal from rain and getting rust, ensure great conductivity
Simple Plug and Play design makes easy installation, No Cutting or Splicing Required; Simply plug into the existing connectors, US 7 Pin connector designed with 2 handle hooks for better grip
Used for converting a US style 7-way socket to a European 7-way trailer, It provides an electrical solution if you have a 7 way blade US vehicle, and you want to hook up a 7 way European trailer

Oyviny RV 7 Pin Trailer Plug with IP68 Waterproof Seal 2PCS, Detachable 7 Way Round RV-Style Trailer Side Connector 7 Point Trailer Wiring Plug

Waterproof Sealed: Different from normal 7 way 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
Durable Construction: 7 blade trailer plug made from heavy duty grey plastic for long-lasting use, brass terminals ensure great conductivity; 7 way rv connector comes with 2 handle hooks on either side for a better grip to make plugging in easier and faster
Easy Installation: Installation just requires you to loosen the screws on the end and body of the plug to pull out the terminals end, splices the trailer light wiring into each terminals according to color and then assemble the plug

Oyviny 7 Way RV Blade Trailer Wiring 56443 for 2020-2024 Ford F-250, F-350, F-450, F550, F650, Factory Tow Package Required

F-250 Trailer Wiring Harness: This trailer harness for Ford compatible with 2020-2024 Ford F-250/F-350/F-450/F550/F650; Quickly and easily install a 7-way RV-style trailer connector to tow a trailer
7 Way RV Socket: F-250 trailer light wiring provides a 7 way trailer socket to power your trailer's lights; 7 way trailer wiring can be used to connect trailer taillights, brake lights, reverse lights, turn signals, electric trailer brakes and auxiliary power wire
Easy Installation: F-350 tow wiring plugs directly into OEM tow package wiring harness, No Cutting or Splicing Required
Well Protected: F-350 trailer wiring harness is well protected by a black nylon wire loom to keep them bundled together and well protected, ensure long service life; 32 inches long wire offers plenty of flexibility for towing
Durable Construction: F-450 trailer connectors are made from high strength ABS plastic, pure copper wires, 7 way socket equipped with a spring-loaded dust cover to protect the socket from water and dust when not in use

Oyviny 4-Way Flat Trailer Wiring Tester 4 Pin Male and Female Trailer Tester with Bright Indicators, Double End Design 4 Pin Trailer Light Tester for Turn Signal Tail Lights Trouble Shooter

4 Way Trailer Tester: Using this 4 pin trailer plug tester to confirm proper function of your vehicle's trailer wiring harness, excellent for diagnosing trailer light issues, lets you know where in the system there is a problem instead of guessing; It also acts as a standard 4-Pin male and female trailer connector to connect standard 4-pin trailer wire
Plug and Play: This 4 pin trailer plug tester is easy to use, just plug the tester into the 4 pin flat trailer connector on your tow vehicle and trailer to test taillights and turn signals for proper operation
Bright LED Indicators: This 4-way trailer circuit tester features a LED light for each electrical functions, turn on the lights and check, you can easily read the LEDs and find out which wiring has a problem
Durable Construction: 4 pin trailer socket tester is made from durable ABS plastic, which will never rust or corrode; Tin-Plated copper terminals makes great conductivity; Female end tester comes with a rubber dust cover to protect the terminals when not in use
Compact Design: Small size trailer plug tester is convenient for storage, allows you store in your tool box, glove compartment or anywhere to be ready when you need it; Take this tester to be your assistant when needed wherever you go

Oyviny Custom 4 Way Trailer Wiring Harness 55540 for 2003-2023 Chevy Express/GMC Savana 1500, 2500, 3500, 4 Way Trailer Light Wiring Kit Express Trailer Harness

Trailer Wiring Kit for Chevy Express: This express trailer wiring harness compatible with 2003-2014 Chevrolet Express 1500, 2003-2023 Chevrolet Express 2500, 2003-2023 Chevrolet Express 3500, 2003-2014 GMC Savana 1500, 2003-2023 GMC Savana 2500, 2003-2023 GMC Savana 3500; Quickly and easily install a 4-way trailer connector on your vehicle
Standard 4 Way Connector: Savana 4-flat trailer harness fits with a wide variety of trailers, adding versatile towing options for your vehicle; 4 way trailer wiring can be used to connect trailer tail lights, brake signal lights and turn signals
Durable Construction: Express trailer plugs are made of high strength and good toughness ABS plastic, Pure Copper wires ensure great conductivity; Corrosion-resistant 4 pin flat connector equipped with a rubber dust cover to protect the socket when not in use
Well Protected: This Savana trailer wire kit is well protected by a black nylon net tube, which guards the wiring against weather damage and potential abrasions, ensure long service life
Easy Installation: Trailer harness for express comes ready to plug into the existing plugs on your vehicle and trailer, No cutting and splicing required, effective Time Saving; 80 inches long wiring harness length offer more flexibility

Oyviny 10PCS Trailer Light 2 Wire Pigtail Harness 10" Long, 2 Pin Trailer Light Connector Fits with 2" and 2.5" Side Marker/Clearance Light

2 Wire Trailer Light Pigtail: 2 prong pigtail is perfect replacements for missing lights or rusted connectors; 2 wire plug fits with 2" and 2.5" side markers and clearance lights, or any other clearance or side marker lights that require a PL-10 2-Pin plug
Unique Design: PL-10 2 wire male plug connects to back of trailer light, tightly fits with the existing socket, allows for easier routing of the wires, direct replacement for: Uni Bond # PT6020, Wesbar # 108662, Truck Lite # 94902, Grote # 67050, Peterson #142-49, Bargman # 40-00-002
High Quality: Side marker light wiring harness made from premium pure copper wire to ensure great performance; Color-coded wire lead is 9" long, Wire Gauge 20AWG, black wire is for power and white wire is for ground features a #10 ring terminal on the end
Easy Installation: It's super easy to install this 2 pin light connector, just connect the 2 pin plug to the light socket, and locate a suitable grounding point near the connector and connect black wire to a power source; Note: The connector should work with round rubber grommets
Wide Application: Side marker light 2 pin wiring harness is widely used in most Trucks and Trailers, Campers, Tractors, Buses, Service Vans, Utility Trucks, Boat Trailer, Utility Trailers, Pick Up Trucks etc, please confirm your marker lights comes with 2 pin female plug before purchasing

Oyviny Electrical Wire Harness Cloth Tape 1 Inch x 50 Feet Self-Adhesive Wire Loom Cloth Tape for Automobile Electrical and Engine Wire Noise Dampening, Wiring Harness Tape for Audio Wire Harness

Wire Harness Cloth Tape Application: Automotive wire loom tape is widely used in the area near the engine, battery or on normal wire harness and also suitable for the use of wire harness in automobile interior noise reduction part, such as instrument panel harness; Wrap any wires that need to be repaired
Temperature Resistance: Electrical wiring harness cloth tape made of high-quality polyester non-woven fabric and strong acrylic pressure sensitive adhesive, with high adhesive Force, abrasion resistance and high-temperature resistance (-40℉- 225℉)
Easy to Tear: Oyviny automotive cloth tape is easy to tear and convenient to use, just wrap the harness cloth tape around the wiring harness and gently tear it apart, No tools required; You could tear the tape at any length according to your need
Good Performance: Automotive wire loom harness cloth tape is wear-resistant and with strong anti-aging, which can be applied for a long time; It is also suitable for automotive circuit and engine maintenance to achieve the effect of insulation protection
Harness Cloth Tape Size: Package comes with 5 rolls 25mm x 15m electrical wire harness tape, each roll radio wiring harness cloth tape is 1 inch width and 50 feet length, the size and length is suitable for your daily use

Oyviny 4 Way Flat and RV 7 Way Trailer Wiring Harness for Nissan Frontier 2005-2025/Nissan Xterra 2005-2015/Suzuki Equator 2009-2012, Factory Tow Package Required

Frontier Trailer Wiring Harness: This frontier multi-tow trailer adapter compatible with 2005-2025 Nissan Frontier, 2005-2015 Xterra and 2009-2012 Suzuki Equator; Easily install a 4-way and 7-way trailer connector on your vehicle
4 and 7 Pin Trailer Output: Xterra trailer wiring harness features both 4 pin and 7 pin trailer connectors, allows you to tow multiple trailers with different connectors, adding versatile towing options
Plug and Play Installation: Multi-tow frontier trailer wiring harness requires no cutting or splicing, custom frontier trailer plug directly plugs into the existing plug on your vehicle, mounting bracket and hardware for installation are included
Durable Construction: Frontier 7 pin trailer tow adapter made from durable ABS plastic to prevent rusting and enhance appearance; The whole GX 470 trailer tow wiring is made of pure copper wires and wrapped with cloth tape to protect the harness from abrasion
Dust Cover: Both 7 way rv connector and 4 way flat socket equip with rubber dust covers, protect the Tin-plated brass terminals from dusts and corrosion, ensure great conductivity and long-lasting use

Oyviny 4 Pin Flat Trailer Extension 12 inch, Vehicle-Side and Trailer-Side 4 Way Connector with Rubber Dust Cover 16 AWG Pure Copper Wire Loom Tubing Protection, 4 Flat Trailer Wire Extension

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
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; It can also be cut into two parts as per your needs to use as vehicle side and trailer side connector
Well Protected: Both of the 4 way male and female trailer connectors equips with rubber dust cover, protects the terminals from water and dust when not in use; Nylon net wire tube make the wires wear-resistant and prolongs the life of 4 pin wiring harness
High Quality: 4 way trailer wiring constructed with 16AWG Pure Copper Wires for great conductivity; Color-coded wires clearly identify each wire's function, makes installation straight-forward
Stable Connection: This 4 wire trailer extension is 12 Inches long, 4 flat trailer extension supplys power for trailer taillights, brake lights and turn signals lights

Oyviny Multi-Tow USCAR 7 Pin to 7-Way Blade and 4-Way Flat Trailer Wiring Adapter for Ford, GM, Dodge Vehicles, Factory Tow Package and USCAR 7 Way Socket Required

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
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
Durable Construction: Oyviny for gm trailer plug adapter 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, all the wires are made of pure copper wires to ensure great conductivity and stability
Dust Cover: Both 7 way rv connector and 4 way flat socket of this f150 trailer adapter comes with rubber dust covers, which keeps the connection points dry, and protect the plug from dusts and corrosion

Oyviny 7 Way Blade to 12V Power Adapter with LED Circuit Tester, 7 Pin RV Blade to 4/5 Way Flat Adapter Trailer Cigarette Lighter Connector for Truck

Multi-Tow Trailer Adapter: 7 way to 12 volt power adapter not only converts 7 way flat blade to a 4-way or 5-way trailer connector, also adapts 7 way into 12 volt power cigarette lighter socket; Note: This adapter doesn't work with vehicle has a lamp-out sensor
12V Cigarette Lighter Power Outlet: 12V power can be used to power air compressors, spot/flood lights, inverters, freezer, electric coolers in the back of your truck; Put 12v outlet where you need it, plug and play, much easier solution than running wires from battery to the truck bed; Note: Some vehicle models might do not have a relay in position from the factory to run the 12 volt, if your 12V plug is not working, please check your fuse panel and install the relay fuse
Trailer Circuit Tester. 7 way trailer plug adapter also can be used as a 7 pin trailer tester to check the connectivity of taillights, brake lights, reverse lights, turn signals, electric trailer brakes and auxiliary power, you can find out which wiring has a problem easily with the bright LEDs indicators
7 Pin to 4 and 5 Pin Trailer Adapter: Multi-function trailer plug adapter converts standard rv blade 7 pin trailer plug to standard 4 and 5 way trailer connector, adding versatile towing options for your vehicle; 4/5 way socket can be used to connect trailer taillights, brake lights, reverse lights and turn signals
Widely Use: 7 way cigarette lighter plug adapter works fine with any factory OEM 7 pin plug, suitable for Truck, Boat, RV, ATV, Chevrolet, Ford, Dodge, RAM, Nissan, Toyota, GMC and Jeep etc

Oyviny 4-Way Flat to 7-Way Round Blade and 4 Way Trailer Wiring Harness Adapter Vehicle-Side 4 Pin to Trailer-Side 7 Pin and 4 Pin Dual-Output Connector with Mounting Bracket for Truck RV(Black)

Multi-Tow Trailer Plug: This dual-output 4 pin to 4 pin and 7 pin trailer wiring adapter makes it easy to connect a mismatched vehicle socket and trailer plug, it features both 4 Pin and 7 Pin connector in case you have multiple trailers with different connectors
Widely Used Trailer Adapter: 4 way to 4 way and 7 way trailer hitch wiring adapter provides standard 4 pin and 7 pin trailer connector, universal used for most trailers; Additional wire leads for reverse, brake, and power function allowing you to convert your 4-pin factory trailer connector to a standard 7-way
Durable Construction: Dual 4 flat to 7 blade trailer adapter made from durable ABS plastic to prevent rusting and enhance appearance; Pure copper wires ensure great conductivity, constructed with 18 AWG wires for the 4 pin flat connector, the additional wire pigtail(black, blue, yellow) and Ground wire are 14 AWG
Well Protected: 4 to 7 pin trailer adapter is well protected by a black wire loom to prevent the wiring from wear, both RV 7 way trailer socket and 4 way flat trailer output equipped with dust cover to protect the sockets from dust and corrosion, ensure long-lasting use
Easy Installation: Standard 4 way and 7 way connector, easily and tightly snaps into trailer's existing socket and holds without any wiggle or loose; The package comes with mounting bracket, screws and nuts for easy installation

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