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【HIGH QUALITY】Trailer Tester is Made of High-quality ABS Plastic and Copper, with a Black Matte Exterior Shell for Optimal Weather, Corrosion and Impact Resistance for Long-term Use.

【MULTI-FUNCTION】7 Pin Trailer Tester can Test Tail Lights, Brake Lights, Reverse Lights, Turn Signals, Brakes and Auxiliary Power.

【COMPATIBILITY】Trailer Wiring Tester is Compatible with Standard 7-way Blade Trailer Outlets. 7 Pin Trailer Plug Size: 5.2x2.96x1.63 Inches (13x7.5x4.1CM).

【SUPERIOR CONDUCTIVITY】 7 Way Trailer Plug Uses High Quality Brass Pins to Ensure a Safe and Stable Electrical Signal Connection between the Plug and the Trailer. The Trailer Light Adapter Features 6 Bright LED Indicators. Each Indicator is Clearly and Distinctly Labeled, Allowing you to Quickly Identify Working and Faulty Circuits at a Glance.

【EASY TO USE】 Plug 7 Prong Trailer Plug into the Trailer or Adapter, Turn on the Lights, and Check the Easy-to-read LEDs, Plug and Play.

Worried About Quality: Our trailer wiring harness is made of 18 AWG pure copper wire with thick PVC wire insulation, and it is equipped with a nylon mesh guard for added protection. This ensures reliable performance even in various harsh weather conditions and environments

Custom Designed Y-Harness: This trailer light wiring harness has a unique wishbone design, and 4-pin arrangement, that allows rewiring of trailers. It eliminates the need for splicing other wires by facilitating simultaneous running of left and right taillights

Worried about installation: This 4-pin, 5-wire trailer wiring kit comes with color-coded wires, making it easy to install even for those with little to no electrical knowledge

Ample Length: This 4-pin 5-wire trailer light wiring kit provides a generous 22 feet of wire, ensuring you won’t have to worry about it being too short. It offers plenty of length for flexible installation and rewiring of your trailer

Versatile Use: The 4-pin 5-wire trailer harness with a side flat connector is designed for various trailers. It features a male plug with a waterproof cover, making it ideal for boat trailers, ATV trailers, flatbed trailers, or other multipurpose cargo trailer hookups

The Main Function -7 Pin to 4/5 Pin Trailer Adapter adopts the 2 in 1 design. Converts Trailer Connector 7-way Flat Blade Pin to a 4-way or 5-way RV-type Round Pin Connector.

Conductivity - 7 Pin to 4/5 Pin Trailer Adapter Features Galvanized Copper Pins for Excellent Conductivity.

12V Universal - 7 Pin to 4/5 Pin Trailer Adapter. Compatible with 12V Vehicle Systems. The Case is Waterproof and Comes with a Waterproof Cap.

Plug-and-play -Trailer Adapter Plug Tool-free Installation. No Wiring nor Splicing Required.

Multipurpose - Suitable for Utility RV Boat Camper Trailer Car Carrier, Boat, ATV, Chevrolet, Ford, Dodge, RAM, Toyota or GMC.

FUNCTION: Mytracpro Trailer connector tester helps you confirm proper vehicle and trailer electrical function. It allows you easily and quickly to diagnose and fix problems of trailer socket circuits in a short time

MULTIPLE USE: This 7 way blade trailer wiring tester tests for tail lights, brake lights, reverse lights, turn signals, Electric Brakes brakes and auxiliary power. Compatible with standard 7-way blade trailer sockets

QUICK IDENTIFICATION: Features 6 bright LED indicators. Clear and obvious labeling of each light enable you quickly to identify the working and faulty circuits at a glance

STURDY CONSTRUCTION: Plastic body with optimal weather, corrosion, and impact resistance to last for long time use. Nickel-plated copper pins not only increase conductivity but also anti- wear and corrosion

EASY TESTING: Plug-and-play design, just plug the 7-way trailer plug tester into the connector, turn on the vehicle lights and signals, check the LED lights on the tester to see whether they are working or not

2 In 1 Upgrade Design: The Ekrnlyi 7 Pin 2 in 1 Trailer Plug Adapter, integrated 7 pin to 4 pin trailer plug adapter and 7 pin to 5 pin trailer connector adapter. Very suitable for boat, RV, ATV, Ford, Dodge, Chevy, RAM, Toyota, GMC, etc.

Enhanced Material Quality: The shell is made of high-strength nylon material, which is sturdy and durability. Plugs and terminals are made of high quality brass, treated by professional plating process, with good conductivity and corrosion resistance

Excellent Performance: Each trailer adapter has been professionally tested to ensure a tight connection with the trailer plug, nickel-plated copper core provides even more to provide excellent electrical conductivity, with PVC dust cover to ensure the port is clean and safe

Easy Installation: The Ekrnlyi 7 Way 2 in 1 Trailer Adapter is designed with user-friendly design on both sides, which can be easily held by hand and fixed to the trailer car plug, no need to cut and wire, simple and quick, which saves your precious time and energy

Quality Assurance: Each of our trailer plug adapter under strict quality control, aiming to provide you with satisfactory products and services. If you have any questions, please contact us and we will make sure to provide you with satisfactory solutions

4 Pin 5 Wire Trailer Wiring Harness: Our trailer wiring harness kit has 5 wires to save you the hassle of extra wiring, providing enough wire to connect all the necessary points without the need for extensions or complicated splices. trailer wiring kit fits trailers up to 80 inches and over 80 inches in width.

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

High Quality Materials:The trailer wiring harness kit is made of 18 AWG pure copper wire, the exterior is made of thickened PVC wire coating material to ensure safety your safety, and the outermost layer is reinforced with black braided nylon mesh tubing. Durable and well insulated, our plugs come with a protective cover waterproof and dustproof to ensure reliable and long-lasting performance in all weather conditions. 

Wide application - 4 pin 5 wire trailer side flat connector used for various trailers,provides a male plug for your trailer ideals for marine boat trailer,ATV trailer or other cargo utility trailer hitches,Please Note that trailers/tow trucks must have a 4-way plug,not compatible with motorcycle trailer wiring.

Perfect size - Trailer light wire features 22ft male 4 flat wire and 2.5ft ground wiring provides enough length for flexible installation and trailer rewiring,simplifies installation process.

【Organize Trailer Wiring】This 7-way trailer wiring harness kit supplies a fast and simplified way for wires connection, keeping all your trailer wiring in order

【Easy Wiring】7 color-coded wires for easy identification, provides a fast and simplified way for wires connection for wiring left/right turn light, brake signal lamp, reverse light, tail light, etc. Note: Please read the wiring diagram carefully to connect cable

【Flexible Connection】The cord provides plenty of extra length for an easy installation. Soft and rugged PVC housing ensures flexibility to wire it from the front to the rear of your car

【Versatile Applicaiton】Perfect for connecting tail, brake, reverse, turn signals, and auxiliary power of your trailers, RVs, campers, caravans, food vans, and other towed vehicles

【Solid Built】7-way copper blade double pin molded into a heavy duty plug, high quality ABS junction box is waterproof, dustproof, flameproof and corrosion resistant for a long lifespan

RV 7-Way Trailer Connector: - 7-Blade, RV-style trailer connector for vehicle side. 7-Way connects to towing vehicle's wiring provides full function 7-way connection to power trailer's taillights, brake lights, turn signals, reverse lights, electric trailer brakes and auxiliary power (12V+ wire)

Quick-install: - Prewired 7-way car end trailer wiring connector pigtail harness with butt connector for 7-wire RV standard color coded wire, could be directly hardwires into truck's existing wiring

Heavy Duty: - 7-way RV output socket equip with a tight-fitting spring loaded cover to keep terminals clean when not in use; MECMO trailer electrical adapter is made of rust-free black plastic, premium tin-plated copper terminals and equips black sealed tubing wire conduit, provides well-protection, great corrosion-resistance and conductivity

180 degrees Lip: - 7 pin trailer connector socket opens 180° for easy connections, Voltage ranges: 6-24 Volts; Design for for commercial vehicles / trailers / RVs / trucks / semi-trailers / cars / caravans, etc

Full Ready Kit: - Full ready kit easy to install, this vehicle end 7-pin trailer adapter includes mounting bracket, screws, and nuts; All-in-one set design convenience your wiring connection, Mounts within the universal mounting hole for added convenience

STRAIGHTFORWARD TRAILER LIGHT TESTING - Simply plug the tester inline between the tow vehicle and trailer, turn on the lights and check the easy to read LEDs.

ISOLATE PROBLEMS QUICKLY- By effectively splitting the trailer wiring harness in half, problems can be quickly traced to the tow vehicle side or the trailer side wiring.

NO TOOLS NEEDED - Plug-n-play design means you don't need anything else to effectively test your trailer light harness.

LONG LASTING CONSTRUCTION - Designed to be weather, corrosion, and impact resistant for years of reliable service.

CONVENIENT COMPACT DESIGN -The two-sided design means you can leave it plugged in or store it conveniently in your glove box, door pocket, or tool box.

Connects tow vehicle to trailer breakaway switch

Actives trailer brakes when cable is released during a disconnect

48-inch long cable

High-temp nylon pull

Trailer breakaway battery and system sold separately