Best Plastic Plug Connectors in 2026

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

Blowout adapter to easily winterize underground irrigation sprinkler systems, outdoor pipes, water lines, plumbing, homes, cabins, faucets, spigots, garden hoses, sillcocks, and hose bibbs by blow out method.

Its 3/4"-11 NH hose threads easily connects to a standard garden hose. Its 1/4" Industrial Interchange quick-connect plug is the most common quick-connect fitting for air compressors in North America. This new design incorporates fewer joints to reduce the chance of leaks.

The flexible and kink-free Insta-Grip hose (made in USA) allows the adapter to access tight spaces and minimizes stress on pipes and fittings. Pre-assembled length: 20 inches approx. Pressure rating: 250 psi. It is 100% outdoor rated, virtually indestructible, impervious to water and oil. Compatible with standard garden hose threading and air compressor quick-connect commonly found in North America.

🚔【Easy Wiring 】This 8 Feet long trailer cord with a 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.

🚔【Easy splicing】7 Color-coded wires and coated with durable rubber-like insulation for convenient wiring. The color-coded is suitable for most standard trailer wiring, some differences due to different trailer manufacturers, please check if it is ideal for your trailer before.

🚔【Flexible Connection】Adapts conductive copper wire. Soft and rugged PVC housing ensures flexibility when connecting your car.

Pre-assembly with RV wire, 18AWG with 10cm pigtail.

Package contains 5pcs male connectors & 5pcs female connectors.

5 position rectangular black housing connector (hole dia: 0.24").

【Connect Your Wire Harness】: RVGUARD 8 ft long trailer cord with 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.

【Easy Splicing】: RVGUARD 7 Color-coded wires coated with durable rubber-like insulation for convenient wiring. The color-coded is suitable for most standard trailer wiring, some differences due to different trailer manufacturers, please check if it is suited for your trailer before ordering.

【Durable Construction and Flexible Connection】: RVGUARD trailer extension cord uses conductive copper wire, soft and rugged PVC housing provides flexibility for you to connect to your car. Also Weatherproof and corrosion-resistant for a long lifespan.

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.

Easy to Use: Converts 4 pin flat truck connector to a standard 7 pin RV blade socket, connects tail reverse turn signals, synchronizes the trailer's signal light, no splicing of wires needed, plug and play, easy to create custom plug-in wiring systems for towing solutions.

High Quality: The 4 7 trailer adapter uses extremely durable ABS plastic construction instead of PVC, improving the corrosion resistance, oxidation resistance, and high-temperature resistance. The inner core is made of pure copper, which dramatically enhances the conductive performance.

Dust & Water Proof: The trailer light adapter is Well-sealed spring-loaded keeps out dust and water when not in use, and prolongs its use life. Applicable to all towing vehicles that don't require electric brakes, including trailers, semi-trailers, RVs, etc

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

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

NO TOOLS NEEDED - Easily adapt your 7-WAY RV BLADE vehicle socket to 4-WAY FLAT connector used on lightweight trailers.

NO MORE UGLY DANGLING CONNECTORS - Our 7-way blade to 4-way flat adapter eliminates the need of converter wiring harnesses and is compact enough to be stored in any of the vehicle's storage compartments.

RUGGED NYLON HOUSING - Water, temperature, and shock resistant to provide years of reliable service.

✔ BougeRV trailer plug is made from flameproof ABS junction box, good conductivity copper and solid cord.​​​​​​​ 4 open & 4 close rubber grommets makes the whole junction box weatherproof and corrosion resistant. Junction Box is much easier than managing loose wires.

✔ There are several recognized wiring color code conventions on the 7-way trailer connector. Connected by function, not only by color. PLEASE FOLLOW BougeRV TRAILER WIRING DIAGRAM in DESCRIPTION or MANUAL.

✔ Easy to replace damaged 7-way trailer connector plug, 8 feet length prevents it from being strained during an emergency turn. 7-Way Connects Brake, Running, Reverse, Turn Signals, and Auxiliary Power.

STREAMLINE YOUR TRAILER WIRING - A sturdy plastic housing with seven terminal studs connected to a 7-way blade connector (with 8 feet of cable) provides a secure location to organize your trailer wiring.

SHORTEN UPGRADE AND REPAIR TIME - Quickly add additional equipment and lights, change the power connector, or redo your trailer cable without leaving any wire splices exposed to the elements.

DESIGNED TO FIT YOUR NEEDS - With multiple wire inlets and outlets, this box is perfect for wiring up your trailer, camper, boat, or food truck "your way".

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 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 Chevrolet Equinox and GMC Terrain (factory tow package required)

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 Honda CR V (factory tow package required)

1. 4-pin Trailer Light Wiring Harness, Special Design to Fit For Trailer LED Lights, Tailgate Light Bars and Other Use

2. Premium Insulating Silicone Housing, Worry-free About Wiring Safety, Super Flexible and Durable

3. Environmentally friendly plastic case, waterproof and dustproof, high security

DT 2-12 Pin Connectors:Connectors are made of PA66 nylon material,durable and waterpoof,convenient to connect and disconnect,suitable for long time use.The strong stability allows them to be widely used in car,motorcycle,truck,boats etc

Size 16 Solid Contacts:The solid terminals have strong stability and conductivity,easy to crimping with wire and installing into connector

Professional 4 Way Crimper ACT-M202:4 indent 8 impression crimping,8 position selector knob allows you to control the crimp depth with ease and smooth precision ratchet ensures the same accurate crimps every time,wire size 12-22AWG

16 Gauge Bonded Wire With 4-Way Flat Plug & Play.Fit Type: Vehicle Specific

Stop/Turn Circuit Capacity Of 7.5 Amps

Solid, Weatherproof, One-Piece Construction

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: Universal Fit

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 Ford Explorer

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.

JST connectors dimension: each cable wire length is approx. 10 cm/ 3.9 inches, the cable wire diameter is 1.25 mm, micro size can fit your needs

Wire core: 7 section 0.11 mm zinc copper, external diameter is 0.9 mm, tail zinc size is 3 mm, standard size, suitable for common uses

Match well with: 26 AWG 1.25 mm JST 2 pin micro male connector match well with female connector, easy to install and use

Length:1M , 2pcs extension cable with 4pcs 4pin connector free.

Extension Connecting Cable for 5050 3528 SMD RGB LED Strip Lights

A perfect solution for connecting led strip with controller or strip to strip connection

Simply 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

Convenient Trailer Wiring Sturdy junction box with color marked 7-poles convenient for wiring left/right turn light brake signal lamp reverse light tail light etc Junction box is much easier than managing loose wires

Flexible Connection 8ft long cord with soft and durable PVC housing Flexible Connection The length prevents it from being strained during an emergency turn 7-Way Connects Brake Running Reverse Turn Signals and Auxiliary Power

Specification:3 pin male & female waterproof connectors with 16AWG 10cm wire.

Operating temperature : -10℃~+80℃.

Easy to Use:Easy to install under soldering and crimping.

Connects control module to power source and door sensor

Uses a 4-pin pre-wired motor harness with male Weather Packard Connector

Designed with 12" of (one red 10-gauge wire and three 16-gauge wire) wire

Length: 2M For - 5050/3528 RGB LED strip lights. RGB LED Extension Cable is designed for 10mm width LED strips

Functions - 1.Connect between Controller and 5050/3528 RGB LED strips, to extend your LED strips to the ideal location where you'd like to install; 2.Connect between RGB LED strips, making it possible to install your multiple RGB LED strips in your preferred locations. So, you can control your LED strips in another location.

Solderless - With 2 pre-soldered female connectors and 2 male 4 pin plugs(copper electroplated), you can directly plug this cable into your 5050/3528 RGB LED strips or controller to get them connected, without soldering.

Commonly Used with T-Connectors or Tail Lamp Converters with 4-Way Flat Car End Connections 4 Wire Flat to 7-Way RV Blade Round Includes Mounting Bracket and Hardware Allows the User to Create Custom Plug-in Wiring Systems For any Towing Situation

7-Way Connects Tail Brake Reverse Turn Signals Brakes,voltage range: 6-24 Volts.

Spring-Loaded Dust Cover Keeps Connector Clean When Not In Use

【UL Listed】 Long life, no corrosion, aging resistance, pressure resistance, high temperature and normal work. There is a test hole on the back of the connector. Test holes can be used to check if the wires are energized.

【Efficient】 No tools required in use, one plug can be used, greatly reducing the wiring work time. In fact, for home decoration, after the vertical connection terminal technology, each wire connection will save the wire length of about 500px , saving more than 80% of working hours, the comprehensive cost is greatly reduced.

【Universal compatibility】 Suitable for soft and hard single-strand and multi-strand. Widely used in lightings, fans, automatic doors and all small appliances.

Length: 1M For - 5050/3528 RGB LED strip lights， RGB LED Extension Cable is designed for 10mm width LED strips.

Functions - 1.Connect between Controller and 5050/3528 RGB LED strips, to extend your LED strips to the ideal location where you'd like to install; 2.Connect between RGB LED strips, making it possible to install your multiple RGB LED strips in your preferred locations. So, you can control your LED strips in another location.

Solderless - With 2 pre-soldered female connectors and 2 male 4 pin plugs(copper electroplated), you can directly plug this cable into your 5050/3528 RGB LED strips or controller to get them connected, without soldering.

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 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 Jeep Grand Cherokee (factory tow package required)

【STANDARD CONNECTION】7 Pin Trailer Connector. Universal 7-pin trailer Male & Female connector 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

【WATERPROOF】This 7-way blade connector is constructed with detachable hardware design for easily splicing and well protect the terminals from the bad weather and hazardous road conditions;For long-lasting use and a reliable connection, the housing of the 7-pin trailer wiring plug is made from heavy black plastic to prevent it from rusting and corrosion

【EASY INSTALLATION】Plugging in your trailer wiring and trailer lights is easy with the ergonomic design of this trailer plug. It features 2 handle hooks on either side of the plug for a better grip when plugging in or unplugging trailer wiring