Top 10 Best 7 Pin Wiring Harness Reviews In 2024

Features :

• This Universal Multi-Tow Harness is the truck end connector that plugs into the back of your 7 way trailer plug, common fits for Ford, GM, Dodge, Toyota, Chevy and others of various years
• 16 inches long 7 Way USCAR Harness with flex tubing, rust-free black plastic construction durable and long lasting. Corrosion resistant tin-plated brass terminals ensure great conductivity
• 7 way female-end connector is used to replace damaged or missing USCAR vehicle harness, supplys power for taillights, turn signals, battery, reverse lights and brake lights
• Splice-in connection, easy to use and install, standard 7 way connector with color-coded wires for easy splicing into your vehicle’s wiring system, allows for multi-tow installation on any vehicle. 6 Nylon terminal connector included
• We offer 1 Year Warranty for our USCAR 7 way connector, your satisfaction comes first! Please feel free to contact us if any question, we are always here to support you！

Features :

• USCAR Connector: This Universal Multi-Tow 7 way USCAR harness is the truck end connector that plugs into the back of your 7 way USCAR male plug, common fits for Ford, Dodge, GM, Toyota, Chevy and other vehicles. Mainly used to replace damaged or missing USCAR vehicle harness
• Color Coded Harness: All the cables are color-coded which is easy to identify and connect. Just splices the wires onto vehicle’s wiring system or your Multi-Tow connector, supply power for turn signals, taillights, auxiliary power, electric trailer brakes, reverse lights and a ground connection.
• Easy Installation: USCAR harness can be hardwired into your tow vehicle’s wiring system to install a 7-way connector on your car. 24 Inches well protected color-coded bonded wires for easy splice in connection.
• Durable Construction: Pure copper terminal perform in great corrosion-resistant and conductivity. 7 way USCAR plug is made from durable black plastic for long-lasting use.
• Wide Application: This Replacement Harness for USCAR Factory Tow Package is design for replace damaged factory 7-way wiring harness and socket. Supplys power for taillights, turn signals, battery, reverse lights and brake lights. 2 Year Warranty by Nilight.

Features :

• 【PRACTICAL TRAILER CORD SET】This set includes a 7-way trailer cord with junction box for your trailer wiring, It provides a fast and simplified way for wire connection to achieve safer traction
• 【CONVENIENT TRAILER WIRING】color marked 7-poles that can be easily identified,t can be used to connect the taillights, brake lights, reverse lights, turn signals, trailer brakes and auxiliary power. Pre-wired junction box makes it much easier for wire connections
• 【ROBUST AND DURABLE】100% copper wire ensures great conductivity, soft and rugged PVC material jacket providing flexibility in use. Explosion proof ABS junction box and rubber grommet provide excellent protection, keeping them safe from dirt, rain, corrosion and other threats
• 【APPLICATIONS】: Perfect for connecting tail, brake, reverse, turn signals and auxiliary power of your trailers, RVs, campers, caravans, food vans and other towed vehicles. Please carefully read the instructions before any operations on the product.
• 【PACKAGE INCLUDES】Package includes: 1pcs 7-way trailer plug with junction box, 4pcs split grommet, 4pcs closed grommet, 5pcs fixing strap & Instructions. It can be selected according to your wiring needs to make the whole junction box waterproof, dust-proof and corrosion resistant.

Features :

• 【USCAR Replacement Connector】 This USCAR 7 way pigtail socket is a standardized 7 pin provides a connection point for vehicle-side trailer wiring. About 16 inches long for replacing your old damaged factory 7-way wiring harness at your truck end.
• 【Universal 7 Pin】Work with any 7-way connector that uses a standard round plug at the back. USCAR Style connector could used as direct replacement for Ford, GM, Dodge, Toyota, Chevy, GMC, Ram, Dodge Pickup, Nissan, etc. (*Note: Typically for used to retro-fit 1999-2002 GM trucks).
• 【Install A 7-Way Trailer Connector】 This 7-way USCAR replacement harness can be hardwired into your tow vehicle’s wiring system to install a 7-pin trailer connector or create a multi-tow installation on your vehicle end (Commonly use with GM / Ford / Import Multi-Tow). Supply power for taillights, turn signals, battery, reverse lights and brake lights.
• 【Color Coded】 Color coded female-end USCAR socket wiring come with 6 heat shrink butt, easily splice into original wiring. Allows you to switch out the OEM tow package wiring harness more easily.
• 【Well Made】 Pure cooper wires are full covered with flexible plastic loom tubing. Could be used to replace or to retrofit your trucks to allow use of the most popular OE tow connector. Get easy upgrade of your original tow wire.

Features :

• 【COPPER POWER CORD】- The 7-way trailer cord is made of high-quality copper and has a long service life. And has excellent electrical and thermal conductivity, to ensure the normal use of car lights in the process of driving (such as turn signal and brake lights, etc.).
• 【DETAILED WIRING INSTRUCTION】- CheeMuii trailer cords use 7 color-coded wires, and the color code adopted is suitable for most RV trailer wiring standards, but as there are some differences between trailer manufacturers, we have updated the detailed instructions, please read them carefully before use. Please refer to the wiring instructions and connect cables according to the color and function of the wires to avoid errors.
• 【DOUBLE PRONG TRAILER PLUG】- Cheemuii 7 pin trailer plug uses the premium copper double prong to replace the poor single prong, and the outer wrap is made of weatherproof and durable material to ensure a longer service life.
• 【WIDE APPLIATION】- Suitable for trailers, RVs, campers, caravans, food vans and other towed vehicles. Perfectly connected taillights, brake lights, reverse lights, turn signals and auxiliary power.
• 【100% QUALITY ASSURANCE】 – We are absolutely confident in the quality of the Trailer Cords, and promise to replace or refund if you are not satisfied after you receive the product. If you have any questions, please feel free to contact us, and we will give you a satisfactory solution.

Features :

• 【Compatibility】-The trailer wiring harness offers two types of custom trailer wiring: custom wiring harnesses and custom wiring connectors. Both are made for specific vehicles,fit for Chevrolet, Dodge, Ford, GMC, Nissan, Ram, Toyota.
• 【Function】-The 7-Pin Trailer wiring harness extension is an extension of the existing tow wiring of your truck. Routes a 7-way RV blade socket into truck bed while retaining use of rear socket.
• 【Fitment】-This 7-way connects taillights, brake lights, reverse lights,turn signals lights, and auxiliary power wire. Allows for easy connection of 5th wheel or gooseneck wiring extension harness.
• 【Easy Installation】-7 Foot length extension with right-angle plug for easy installation, simple plug-and-play design eliminates the need for cutting or splicing. Please note 2-1/8-inch hole saw required for installation.
• 【Feature & Maintain】-Constructed with SMT circuitry and provides a standard trailer wiring output, usually 4-way or 5-way flat. Spring-loaded dust cover keeps connector clean when not in use.

Features :

• 【Function】This Trailer Harness is Used as an Extension to the Truck Existing Tow Line. It Retains the Use of the Original 7-way RV Blade Socket While Adding an Additional 7-way Socket to the Truck Chassis.It can be Used to Connect Trailer Tail Lights, Brake Lights, Backup Lights, Turn Signals, Electric Trailer Brakes and Auxiliary Power Cables.
• 【Compatibility】 Perfect for Specific Models of Chevy, Dodge, Ford, GMC, Nissan, Ram and Toyota Vehicles.Please Check Vehicle Model and Interchangeable Part Numbers to Confirm Compatibility Before Purchasing!
• 【Easy To Install】Simple Plug-and-Play,No Cutting Wire and Splicing,Easily Fixed in the Truck Bed.(2-1/8inch Hole Saw Required for Installation).
• 【Premium Quality】Made of High Quality Material. Tested & Certified to Meet or Exceed OEM Quality Standards.
• 【12-Month Warranty】The Trailer Wiring Harness come with 12 Months Warranty. Hassle-free Return and Refund Policy. Please Buy it with Your Confidence.

Features :

• 7 WAY COOPER BLADE MOLDED – BHTOP 7-way copper blade molded into a heavy duty plug， provides a fast and simplified way for keeping all your trailer wiring in order.
• PREMIUM MATERIAL – 8FT cord made of premium PVC for long-time use. Also Weatherproof and corrosion-resistant for a longer lifespan.
• WIDELY USED- 8FT long cord offers you plenty of flexibility to wire it from the front to the rear of your car. Perfect for RVs, trailers, campers, caravans, food vans and other towed vehicles.
• CONVENIENT TRAILER WIRING – 7 colors coded wireswith durable rubber is ready to be installed into a junction box. Super easy to be used.
• Package Included 1x 8 ft. 7-Way trailer plug. Any question, please contact us. We are always here to meet all your need.

Features :

• Hassel-Free Setup: Easy to install; No cutting! No splicing! This trailer wiring harness Ts into an existing Seven (7) Pin Connector on in your vehicle and equips it with an extra standard 4-pin trailer wiring connector.
• The extra standard 4-Pin Trailer connector application: Provides an additional 4-Pin connector for a seamless and virtually hidden install for the OPT-7 Redline LED Tailgate Light Bar while allowing you to use your OEM 7-Pin connector to connect any round 7-Pin trailer accessory.
• Additional application: the 4-Pin Flat trailer wiring can also be used to connect trailer taillights, brake lights, and turn signals. The 4-Pin trailer wiring is popular on various trailers, adding versatile towing options for your vehicle.
• EASY GRIP. Plugging in your trailer wiring and trailer lights is easy with the ergonomic design of this vehicle socket. It features a tab on top for a better grip when plugging into your trailer or unplugging.
• READY FOR ALL WEATHER. The 16-gauge heavy-duty wires with pure copper trailering wires provide reliable power and a stable electrical connection. Heavy-Duty PVC, dual-mechanism 7-pin wire security system, and rust-resistant terminal construction enable stable electrical conductivity; combining the construction with a weatherproof cap makes it READY for all road conditions.

Features :

• 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
• VERSATILE DESIGN. This connector makes a great replacement 7-way RV blade harness and is interchangeable with virtually any 7-way RV connector. 7-pin trailer wiring is commonly used on RV travel trailers
• READY TO INSTALL. Equipped with blunt-cut, color-coded wires, this 7-pin trailer wiring plug comes ready to install. The 6-foot wire lead provides plenty of extra length for an easy installation