Best Standard Motor Products Trailer Connectors in 2026

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.

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".

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

EASY CONNECT WIRE HARNESS:7 Way trailer extension cord provides a fast and simplified way for wires connection as well as keeping all your trailer wiring in orde,eliminates troublesome splicing, and simplify installation

WIDELY APPLICATIONS:Install the 7 pin trailer extension in your truck bed and plug into your existing bumper hitch without rewiring your trailer, RV, or truck for fifth-wheel and gooseneck trailers.You can more easily identify tail lights, left/right turn signals, brake lights, reversing lights, etc

PLUG-N-PLAY VERSATILITY:The plug end features finger lugs for easy removal.7 way trailer plug extension extra secure double-prong terminals makes this cable an excellent plug-n-play extension for your existing trailer harness without permanent installation

Made in United States

Fit type: Vehicle Specific

Package Weight: 0.167 kilograms

Country Of Origin : China

The Package Height Of The Product Is 2.97 Inches

The Package Length Of The Product Is 8.62 Inches

Intermotor Trailer Connector (TC466)

Part number: TC466

Fit type: Vehicle Specific

Standard TC427 Standard Trailer Connector (TC427)

Part number: TC427

Package Weight: 0.25 pounds

Standard Four Wheel Drive Actuator Switch (TCA16)

Standard TCP41M Standard Trailer Connector (TCP41M)

Part number: TCP41M

Fit type: Vehicle Specific

Made in China

Fit type: Vehicle Specific

Package Weight: 0.022 pounds

Country of Origin: China

Improves overall performance

Seven conductor electrical connector for truck-trailer jumper cable

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.

Package Dimensions: 4.88 L x 2 H x 3.88 W (inches)

Package Weight: 0.16 pounds

Country of Origin : China

Made in China

Package Dimensions : 7.56 L x 2.33 H x 4.54 W (inches)

Package Weight : 0.5 pounds

Product Type: Auto Part

Package Quantity: 1

Product Dimensions: 8.62" (L) x 4.83" (W) x 2.97" (H)

Product Type :Auto Accessory

Package Dimensions :8.62" L X4.83" W X2.97" H

Country Of Origin :Taiwan

Product Type: Auto Part

Package Quantity: 1

Package Weight: 0.5 lbs

Model Number: TCP78C

Item Package Dimension: 6.27" L x 3.49" W x 2.56" H

Item Package Weight: 0.216997 lb

Product Type :Auto Part

Package Dimensions :7.0 Cm L X9.2 Cm W X15.0 Cm H

Country Of Origin :China

Standard Four Wheel Drive Actuator (TCA27)

The 7-pin trailer connector is inserted into the USCAR socket and provides a standard RV blade 7-pin trailer wiring connector for inserting and towing trailers

The 7-way trailer plug can be installed in an OEM bracket and can be easily installed on existing trailer sockets without the need for additional accessories

This 7-way trailer plug has better conductivity with brass terminals and is made of heavy-duty plastic for long-lasting use

【Get Simple Upgrade for Trailer】A 7 Gang Wire Electrical Junction Box is perfect for wiring up your trailer, camper, boat, food truck or any other towed vehicles to add extra lights and accessories, upgrade your old trailer wiring, makes re-wiring, troubleshooting and fixing electrical problems much simple.

【Clear Surface Cover】7 Pin Junction Box design with transparent surce for better wire observation. Fast and direct way to see the operation of the wiring harness. Bright Yellow Color Junction Box for Improved Visibility.

【Color-Coded 7 Terminals Studs】MECMO sturdy 7-Pole Trailer Junction Box with 7 gang terminal studs are marked with seven different colors helps quickly identify your connection (RV Standard 7 terminal color marked). No cutting or splicing wires required to repair trailer damaged or faulty connector. ( 📌Installation tips: M5 nuts, wire ring terminal connectors 1/4, #10 ring terminals might helps installation)

Trailer Connector

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

Trailer Connector

Item Package Dimension: 8.55L x 4.99W x 2.49H inches

Item Package Weight - 0.6503636729 Pounds

Item Package Quantity - 1

Product Type:Auto Part

Item Package Dimensions:4.48 " L X 3.68 " W X 1.9 " H

Item Package Weight:0.197 lbs