Best Trailer Wiring Harness – Top 10 Recommendation in 2022

You’re looking for Best Trailer Wiring Harness for your project, but you don’t know where to start. With so many options on the market, it can be difficult to locate the best product that meets your needs. There’s a chance that you don’t know what you’re looking at.

We’ve got you covered. Our team of experts has reviewed all of the Top Trailer Wiring Harness available. We’ll assist you to find the perfect product for your requirements. We’ll also give you a great deal on it.

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Comparison Chart for Top Trailer Wiring Harness

SL Preview Product Score Action
1 Trailer Light Cable Wiring for Harness 100ft spools 14 Gauge 7 Wire 7 Colors 9.7 Check Price Now
2 CURT 55243 Vehicle-Side Custom RV Blade 7-Pin Trailer Wiring Harness, Fits Select Ford F-250, F-350, F-450, F-550 Super Duty 9.36 Check Price Now
3 CURT 56217 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Fits Select Toyota Highlander, Lexus RX350 9.36 Check Price Now
4 EXERAUO Trailer Wiring Harness Kit, 4 Pin Flat 4 Wire Trailer Wiring Connector, 25ft & 4ft Wishbond Trailer Light Kit 4 Wire Plug Connector Trailer Light Wiring for Utility Trailer Lights 9.76 Check Price Now
5 LIMICAR Trailer Wiring Harness Kit, 25ft Trailer Wire, Trailer Wiring Harness with 4 Flat Extension Connector, 4 Pin Flat Wishbond Trailer Wiring for Utility Boat Trailer Light Kit 9.6 Check Price Now
6 MICTUNING Heavy Duty 7 Way Plug Inline Trailer Cord with 7 Gang Junction Box – 8 Feet, Weatherproof 9.72 Check Price Now
7 SUZCO 25 Foot 4 Wire 4-Flat Trailer Light Wiring Harness Extension Kit, 4-Way Plug 4 Pin Male & Female Extension Connector & Wishbone-Style with 18 Gauge White Ground Wire with SAE J1128 9.5 Check Price Now
8 LINKITOM 4-Way Trailer Wiring Harness Kits, 25-Foot 18 AWG Color Corrosion Resistant Coded Wires with 4 Pin Flat Plug, for Utility Boat Trailer Lights 9.56 Check Price Now
9 4 Pin Flat Trailer Wiring Harness Kit [Wishbone-Style] [SAE J1128 Rated] [25′ Male & 4′ Female] [18 AWG Color Coded Wires] 4 Way Flat 5 Wire Harness For Utility Boat Trailer Lights Kits 9.8 Check Price Now
10 CURT 58050 Vehicle-Side and Trailer-Side 4-Pin Flat Wiring Harness with 72-Inch Wires 9.36 Check Price Now

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Our Recommendation on the 10 Best Trailer Wiring Harness

1. Trailer Light Cable Wiring for Harness 100ft spools 14 Gauge 7 Wire 7 Colors

Features:

  • Perfect for Car Audio, Home Theatre, Automotive
  • THIS IS NOT AWG AMERICAN GAUGE WIRE
  • Flexible, Insulated, and Jacketed in PVC
  • Please note that you will receive colors of our choosing from our defaults at the time, no color requests may be made for specific colors.
  • 14 Gauge, 100′ FT, Single Conductor, Remote, Turn on, Hook Up Wire. Stranded Copper Clad Aluminum. Excellent for any 6 VOLT – 80 VOLT application

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2. CURT 55243 Vehicle-Side Custom RV Blade 7-Pin Trailer Wiring Harness, Fits Select Ford F-250, F-350, F-450, F-550 Super Duty

Features:

  • 7-way flat output
  • Simple plug and play design eliminates the need for cutting or splicing
  • Comes with a dust cover to keep your connector clean when not in use
  • Made in USA
  • Includes converter where needed

Additional Info:

Color black
Height 4
Width 8
Length 9
Weight 1.15

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3. CURT 56217 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Fits Select Toyota Highlander, Lexus RX350

Features:

  • 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 Toyota Highlander and Lexus RX350 (factory tow package may be required)
  • RELIABLE POWER. This 4-way trailer wiring harness is built with surface mount technology. This type of circuitry generates less heat, optimal light intensity and durable performance
  • DUST COVER. To promote long-lasting use and weather resistance, this 4-pole trailer lighting wire harness comes with a rubber dust cover. It easily fits onto the 4-way flat connector when not in use, protecting it against the outdoor elements
  • 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

Additional Info:

Color Regular
Height 3
Width 4
Length 9
Weight 0.881849048

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4. EXERAUO Trailer Wiring Harness Kit, 4 Pin Flat 4 Wire Trailer Wiring Connector, 25ft & 4ft Wishbond Trailer Light Kit 4 Wire Plug Connector Trailer Light Wiring for Utility Trailer Lights

Features:

  • Color coded wires: Plugs into the 4-way flats with color coded wire to help with installation: White – ground, Brown – tail lights, Yellow – driver side stop/turn, Green – passenger side stop/turn.
  • 25 ft harness kit: This trailer harness includes two wiring harnesses with four flat connectors for ease installation and avoid the wire becoming knotted during installation, reduce corrosion and wiring time
  • 25ft male& 4 ft female trailer wiring Extension: Designed with 18 AWG Color Coded Wires, for safe simply wiring.suitable for trailers under and over 80″ in width
  • To make sure our sincere customers have the best buying experience, we provide 30-day return/ replacement service.If you are not satisfied with the product, please contact us, we will refund you unconditionally.
  • 4 Pin Flat Trailer Wiring Harness Kit: Made of high quality materials and undergoes strict quality assurance to provide lasting performance and reliability.

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5. LIMICAR Trailer Wiring Harness Kit, 25ft Trailer Wire, Trailer Wiring Harness with 4 Flat Extension Connector, 4 Pin Flat Wishbond Trailer Wiring for Utility Boat Trailer Light Kit

Features:

  • 4-Way Flat Trailer Harness Kit: Complying with SAE J1128 standards for a low voltage primary cable. Constructed from the highest quality materials and superior quality guaranteed.
  • 18 AWG Color Coded Wires Wishbone Style Harness: 4 flat trailer wire is color-coded and bonded wire for easily installation. White wire: Ground (Negative). Brown wire: Tail Lights. Yellow wire: Driver Side Stop/Turn Lights. Green wire: Passenger Side Stop/Turn Lights. The white ground wire is made of 18-gauge, reduce corrosion and makes installation safe.
  • 25FT Male & 4-Flat Female Trailer Wiring Harness Extension Kit: Fits Trailers under & over 80″ wide. Wire length (25′ & 4′) makes this trailer harness kit perfect for trailers measuring under or over 80″ wide.
  • 25′ Trailer Wiring Harness: Designed to split at the trailer tongue and run down each side of the trailer, 4′ trailer side ground wire is enough to use for your trailer. Gives you the extra length, just need to extend current truck to trailer wires. No need to splice your new wires, simply extend them with this extender.
  • Widely Application: Trailer Light Wire Suitable for marine boat trailer, horse trailer, ATV trailer, and other cargo utility trailer hitches (tow/haul vehicle must have 4-way plug). Not compatible with motorcycle trailer wiring. Please confirm the fitment with us before ordering.

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6. MICTUNING Heavy Duty 7 Way Plug Inline Trailer Cord with 7 Gang Junction Box – 8 Feet, Weatherproof

Features:

  • BEST SEALING PERFORMANCE – 4 open & 4 close rubber fitted grommets for option based on your wiring needs, making the whole junction box waterproof, dustproof and corrosion resistant. WHAT YOU’LL GET:2 Year MICTUNING WARRANTY and lifetime best customer service, 1 x 7-Way Trailer Plug with Junction Box, 4x Open Grommets, 4x Close Grommets.
  • FLEXIBLE CONNECTION – 8FT long cord with soft and durable PVC housing that offers you plenty of flexibility to wire it from the front to the rear of your car.NOT LIKE OTHERS, ONLY 4FT OR 6FT.
  • EXCELLENT CONSTRUCTION – adopted flameproof ABS junction box and good conductivity copper with solid cord, stronger and rugged, perfect for RVs, trailers, campers, caravans, food vans and other towed vehicles.
  • TIDY 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.Cautions: Pls read the plug diagram carefully and refer to the diagram to install this 7 way plug.
  • CONVENIENT TRAILER WIRING – sturdy junction box with color marked 7-poles that can be easily identified, gives you more convenience for wiring left/right turn light, brake signal lamp, reverse light, tail light, etc.

Additional Info:

Color Black
Height 1
Width 2
Length 80
Weight 2.97

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7. SUZCO 25 Foot 4 Wire 4-Flat Trailer Light Wiring Harness Extension Kit, 4-Way Plug 4 Pin Male & Female Extension Connector & Wishbone-Style with 18 Gauge White Ground Wire with SAE J1128

Features:

  • 【4-WAY CONNECTORS & FITMENT】You can install the trailer wire so quickly and easily through the 4-way connectors. 4-pin connectors are available allowing the basic hookup of the three lighting functions (running, turn, and brake lights) plus one pin is provided for a ground wire. Most standard light duty trailers will use a 4-pole flat connector. Not compatible with motorcycle trailer wiring, and you could confirm the fitment to be not the wrong item before ordering.
  • 【EXTENSION INCLUDING】This 25foot 4 wire boat trailer wiring extension can conform to the SAE J1128 specification. Extends wiring system provides more flexibility. It can protect tow vehicle electronics from wiring shorts. Includes a 4-feet trunk connector, splices, and clips. This trailer wire harness kit also can work on an COPPER trailer based on the ground wire.
  • 【ITEM TYPE】This is a 25 foot male & female 4-flat marine trailer wiring harness with 4-way conductors and a white ground wire, made of 18-gauge wire, designed to split at the trailer tongue and run down each side of the trailer. The 4 flat trailer wire is color-coded and bonded wire to easily splice into your trailer’s wiring system, no need for splicing wires. This trailer wire harness kit is completely sealed for a long corrosion-resistant installation.
  • 【4 WIRING INSTRUCTION】There are instructions for wiring the running light and license plate lights included. The different color wires are clearly identified as each wire’s function, so you can make the installation safe and straight-forward.
  • 【ENOUGH LENGHT GROUND WIRE】This trailer wire extension with 4 way flat plug connector is designed to supply power for tail lights, turn and brake lights, as well as a ground connection. The white grounding wire is so enough long to wiring. The trailer side ground wire is about 2ft. Trailer wiring harness features a ground wire. The white ground wire is made of 18-gauge, which is corrosion resistant terminal.

Additional Info:

Weight 0.02

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8. LINKITOM 4-Way Trailer Wiring Harness Kits, 25-Foot 18 AWG Color Corrosion Resistant Coded Wires with 4 Pin Flat Plug, for Utility Boat Trailer Lights

Features:

  • 18 AWG color coded wiring harness, more durable than the traditional copper coated aluminum wires and split Y-style color coded harness.
  • 25ft Wire Harness: 21.65ft length male wire harness and 3.93ft female wire harness
  • 4-way 4-pin hitch trailer wiring harness with connectors
  • Installation easy through the 4-way connectors.
  • Complying with SAE J1128 Standards

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9. 4 Pin Flat Trailer Wiring Harness Kit [Wishbone-Style] [SAE J1128 Rated] [25′ Male & 4′ Female] [18 AWG Color Coded Wires] 4 Way Flat 5 Wire Harness For Utility Boat Trailer Lights Kits

Features:

  • WISHBONE STYLE WIRING SETUP- Wishbone design makes it easier to wire to the taillights; simplifies installation process.
  • FOR TRAILERS UNDER & OVER 80″ WIDE- Long total wire length (25′ plus 4′) make this trailer harness kit perfect for trailers measuring under or over 80″ wide.
  • 18 AWG COLOR CODED WIRES- Color coded 18 AWG wires clearly identify each wire’s function; makes installation safe and straight-forward.
  • 25′ MALE & 4′ FEMALE INCLUDED- Our 4-way trailer wiring harness includes both the male and female sides for added value.
  • SAE J1128 RATED- Meets SAE standards for a low voltage primary cable intended for use at a nominal system voltage of 60 V DC (25 V AC) or less in surface vehicle electrical systems; backed by a 2 year warranty.

Additional Info:

Height 2.5
Width 3.5
Length 7.5
Weight 0.95

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10. CURT 58050 Vehicle-Side and Trailer-Side 4-Pin Flat Wiring Harness with 72-Inch Wires

Features:

  • EASY GRIP. Plugging in your trailer wiring and trailer lights is easy with the ergonomic design of these vehicle-trailer connectors. They feature tabs on the top and bottom for a better grip when plugging in or unplugging
  • VERSATILE DESIGN. These vehicle-trailer connectors make great replacement 4-flat wiring plugs and sockets. The 4-pin wiring design matches industry-standard 4-way flat connectors and is compatible with a wide variety of trailers
  • READY TO INSTALL. Equipped with color-coded wires, these 4-prong trailer wiring connectors come ready to install. The 72-inch wire loop provides plenty of extra length for a flexible installation
  • RELIABLE CONNECTION. These 4-pin trailer wiring plugs come ready to splice into your existing vehicle and trailer wiring. They have 16-gauge wires and can be used to connect the taillights, brake lights and turn signals
  • DURABLE CONSTRUCTION. For long-lasting use and a reliable connection, the housing of these 4-pin trailer wiring plugs is made from durable black molded rubber that will never rust or corrode

Additional Info:

Color Regular
Height 2
Width 2
Length 7
Weight 0.3

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Best Trailer Wiring Harness Buying Guide

Selecting Trailer Wiring Harness isn’t always the easiest task. There are a lot of choices that you can discover in the market, and each has each of its pros and cons. However, if you want to be sure you’re making the right decision We suggest that you check out the following buying advice.

Product Specifications:

Each product comes with its own specifications you need to know prior to buying the item. In the case of Trailer Wiring Harness, there are some specifications you should understand prior to buying the product to make sure that it is suitable for your needs.

Product Qualitative:

If you’re going to purchase Trailer Wiring Harness be sure to look at the quality of the product to ensure that the product is constructed of quality materials. This is due to the fact that a high-quality Trailer Wiring Harness will provide you with top-quality results and is more durable than any other product in the market.

Top Brands:

If you do not want to get the wrong product, we recommend that you check out Top Trailer Wiring Harness brands and select one of them. This way, you will be sure that the product will be able to meet your needs and it will last longer than you think.

Product Price:

Before you purchase Trailer Wiring Harness If you are considering buying Trailer Wiring Harness, it is an ideal idea to investigate the cost. This is is what you must do whether you do not desire to purchase a product that is out of your budget.

Product Reviews by Customers:

Reviews of customer service can assist you make an informed buying decision. In this instance it is highly recommended that you research what users have to say about Trailer Wiring Harness prior to buying the product. In this way, you’ll learn if it has any drawbacks to the product and determine whether or not it’s worthwhile to spend money on it.

Return Policy for Products:

If you’re not happy with your Trailer Wiring Harness and you are not satisfied, you have the ability to cancel it. However, most of the times you will not be eligible to return the item whether you change your mind about it. We recommend checking out the product return policy prior buying something at a retail store in the market.

Customer Support:

If you have questions about Trailer Wiring Harness You should not hesitate to get in touch with the customer support team. This way, you’ll be able to inquire about your concerns and receive answers to them quickly.

Last Thoughts

If you’re searching for Best Trailer Wiring Harness then you must look over the features, review the reputation of the company and review customer testimonials. Then you can find a product that is worthy of your time and money but without wasting it.

We hope this buying tips and hints has helped you to make the right choice when buying the Trailer Wiring Harness.

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