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20 Best 4Runner Trailer Wiring of 2023 – Romance University

After hours researching and comparing all models on the market, Romance University finds out the Best 4Runner Trailer Wiring of 2023. Check our ranking below.

2,292 Reviews Scanned

Rank No. #1
Curt Manufacturing 55341 Vehicle-Side Custom 4-Pin Trailer Wiring Harness,Fits Select Toyota 4Runner
  • 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 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 4Runner
  • 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
Rank No. #2
Oyviny Multi-Tow 7 Way RV Blade and 4 Way Flat Trailer Wiring Harness for 2003-2009 Toyota 4Runner/2003-2009 Lexus GX 470, Factory Tow Package Required
  • 4Runner Trailer Wiring Harness. This multi-tow 4runner trailer harness compatible with 2003-2009 Toyota 4Runner and Lexus GX 470; Quickly and easily install a 4-way and 7-way trailer connector on your vehicle
  • 4 Way Flat and RV 7 Way Trailer Connector. 4Runner 7 way trailer wiring features both 4 pin flat and 7 pin trailer connector in case you have multiple trailers with different connectors, adding versatile towing options
  • Easy Installation. 4Runner trailer harness plugs into the existing trailer plug on your vehicle, No cutting and splicing required! Simple Plug and Play. Mounting bracket and hardware for installation are included
  • Durable Construction. GX 470 trailer wiring harness socket made from durable ABS plastic to prevent rusting and enhance appearance; The whole GX 470 trailer tow wiring is wrapped with flannelette to protect the harness from abrasion
  • Dust Cover. Both 7 pin rv connector and 4 way flat socket equip with rubber dust covers, which keeps the connection points dry, and protect the plug from dusts and corrosion
SaleRank No. #3
CURT 55245 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Fits Select Toyota 4Runner, Highlander, Land Cruiser, Lexus LX470, LX570, RX300
  • Simple plug and play design eliminates the need for cutting or splicing
  • 4-way flat output
  • Comes with a dust cover to keep your connector clean when not in use
  • Made in USA
SaleRank No. #4
CURT 51362 Quick Plug Electric Trailer Brake Controller Wiring Harness, Select Toyota 4Runner, Land Cruiser, Sequoia, Tacoma, Tundra, Lexus GX, LX , Black
  • EASY TO INSTALL. No cutting or splicing required! This vehicle-specific wiring harness allows fast, easy, plug-and-play trailer brake controller installation. Simply plug one end into your vehicle and the other into your CURT brake controller.Fit Type: Vehicle Specific
  • RELIABLE POWER. This brake controller wiring harness is constructed with quality 12-gauge wires to ensure consistent power between your trailer brake controller, vehicle and electric trailer brakes
  • VEHICLE-SPECIFIC. This electrical brake controller wiring fits select model years of the Toyota 4Runner, Land Cruiser, Sequoia, Tacoma, Tundra, Lexus GX460, GX470, LX470 and LX570
  • VERSATILE USE. This trailer brake controller wiring kit is compatible with any CURT trailer brake controllers equipped with a quick plug connector -- proportional, inertia and time delay. It also features a 24-inch length for flexible positioning
  • PROTECTED WIRES. To keep power flowing and ensure your connection stays well-protected, this trailer brake controller harness comes with a slit-loom sleeve, helping to keep the wires bundled, avoid crushing and resist abrasions
SaleRank No. #5
CURT 51363 Quick Plug Electric Trailer Brake Controller Wiring Harness, Select Toyota 4Runner, Land Cruiser, Sequoia, Tacoma, Tundra, Lexus GX, LX , Black
  • EASY TO INSTALL. No cutting or splicing required! This vehicle-specific wiring harness allows fast, easy, plug-and-play trailer brake controller installation. Simply plug one end into your vehicle and the other into your CURT brake controller
  • RELIABLE POWER. This brake controller wiring harness is constructed with quality 12-gauge wires to ensure consistent power between your trailer brake controller, vehicle and electric trailer brakes
  • VEHICLE-SPECIFIC. This electrical brake controller wiring fits select model years of the Toyota 4Runner, Land Cruiser, Sequoia, Tacoma, Tundra, Lexus GX460, GX470, LX470 and LX570
  • VERSATILE USE. This trailer brake controller wiring kit is compatible with any CURT trailer brake controllers equipped with a quick plug connector -- proportional, inertia and time delay. It also features a 24-inch length for flexible positioning
  • PROTECTED WIRES. To keep power flowing and ensure your connection stays well-protected, this trailer brake controller harness comes with a slit-loom sleeve, helping to keep the wires bundled, avoid crushing and resist abrasions
Rank No. #6
Reese Towpower 78055 Brake Control Wiring Harness for Lexus/Toyota
  • Custom pre-wired Lexus/Toyota brake control harness
  • O.E.M. Style Wire Harness
  • Reduces possible short circuits and cross wiring of brake controls
  • Quick and easy plug in style
Rank No. #7
CURT 55384 Replacement Vehicle-Side Custom USCAR 4-Pin Trailer Wiring Harness, Black, 6 x 3 x 9 inches
  • NOTE: Vehicle must already be equipped with USCAR
  • EASY TO INSTALL. No cutting No splicing This trailer wiring harness Ts into an existing USCAR connection on your vehicle and equips it with a standard 4-pin trailer wiring connector for plugging in and towing a trailer
  • STANDARD CONNECTOR. The 4-flat trailer wiring can be used to connect trailer taillights, brake lights and turn signals. 4-way trailer wiring is popular on a wide variety of trailers, adding versatile towing options for your vehicle
  • USCAR-SPECIFIC. This USCAR wiring harness is designed for select vehicles with a standard USCAR socket, ensuring the easiest possible installation and the most reliable wiring connection
  • 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
Rank No. #8
Nilight - 10039W 4 Pin Flat Trailer Wiring Harness Kit 18AWG 25Feet Male 4Feet Female Wishbone-Style Wiring Harness Extension kit for Utility Boat Trailer Lights
  • Wire Length: Comes with 18AWG 25ft male and 4ft female connector wire, both with full ground wire for your use. Designed to split at the trailer tongue and run down each side of the trailer to supply power for trailer lights.
  • Built To Last: Employ quality pure copper wire with tin plating for the best current conductivity and anti-oxidation ability, and premium PVC coating for the best anti-corrosion and anti-aging ability. Withstand sea water, no brittleness, no break, durable to last.
  • Standard 4 Way Flat Connector: Male plug with 5 wires, female plug with 4 wires. Plug and play, matches with any other standard 4 pin flat plugs.
  • Color Coded Wires: Wires are color coded and bonded, white for ground, brown for running and license light, yellow for left stop turn and green for right stop. Easily to route into your trailer's wiring system and connect with lights.
  • Universal Application: Work perfectly on trailers under and over 80” wide such as marine boat trailer, cargo utility trailer to install trailer lights. 2 Years Warranty Honored by Nilight
Rank No. #9
Partsam Trailer Wire Extension Plug, 4 Pin Hitch Light Trailer Wiring Harness Extender with Rubber Cab for LED Brake Tailgate Light Bar, 32" Inch 4 Way Flat 4 Pin Universal Wiring Connector
  • 4 Pole Flat Trailer Plug Connect 6/12/24V with 32" Color-coded Lead Wire, Safely Extend Towing Lights without Consequently Having a Dimmer Light; Used for All Types of Vehicles Like Trailer, Truck, Motorcycle Trailer, ATV Trailer
  • 4 pins flat plug adapter is designed to supply power for tail lights, turn signals and brake lights and other signal lights as well as a ground connection.
  • Heavy-duty 18-gauge wires for strength and longevity; Color-coded for your convenience; Made from durable rubber-molded and color-coded bonded loop wire to easily connect with your vehicle's wiring system.
  • 4-way standard flat light connector with trailer ends; For all types of trailers including marine boat trailer, horse trailer, motorcycle trailer, ATV trailer, and other cargo utility trailer hitches (tow/haul vehicle must have 4-way plug)
  • 1 Year Warranty; if you have any problems...
Rank No. #11
Nilight 7-Way to 4-Way Flat Blade Trailer Adapter Waterproof Rugged Nylon Housing 7-pin to 4-pin Trailer Wiring Adapter
  • Rugged Nylon Housing: Excellent water resistance, high temperature resistance, wear resistance and corrosion resistance, extend the life of the product.Fit Type: Universal
  • Strong Fixation: Standard plug internal design with strong fixing, 7-pin can hold the adapter in place, no need to worry about it will fall off
  • Practical Design: Easy to carry, small size, can be stored in a glove box or tool box, no need to take up extra space
  • Easy Installation and Disassembly: Simple plug-and-play, reasonable structural design in case that you can easy to install or removal our trailer adapter with no tools
  • Wide Adaptability: It can use for commercial vehicle / semi-trailer / trailer, no need for multi plugs to tow various vehicles, it is very practical for drivers. 2 Year Warranty by Nilight.
Rank No. #12
Trailer Wire Extension Plug, 4 Pin Hitch Light Trailer Wiring Harness Extender with Rubber Cab for LED Brake Tailgate Light Bar, 32" Inch 4 Way Flat 4 Pin Universal Wiring Connector
  • Trailer 4 wire extension, color coded heavy duty 20 gauge wires, 32 inch
  • 4 Pin trailer plug 4 way flat connector with sealing cap on the end keeps the leads dry when not in use
  • Constructed with bonded wires for easier installation. 4 way flat output connects tail lights, brake lights and turn signals
  • No need to splice wires, simply extend them with this extender into existing wiring to provide connections for both vehicle and trailer
  • Fits for all types of trailers including marine boat trailer, horse trailer, ATV trailer, and other cargo utility trailer hitches which have a 4-way plug
Rank No. #13
Hopkins 43415 Plug-In Simple Vehicle Wiring Kit
  • Features OEM connectors for water tight protection and guaranteed fit
  • Built-in converters are pre-wired for taillight conversion
  • No cutting, tapping, or soldering required
  • Connector bridges vehicle to trailer wiring with plug-in simplicity
  • Facilitates easy installation
Rank No. #15
CARROFIX Multi-Towing 7 Way and 4-Pin Flat Trailer Connector Custom Fit Vehicle Wiring Harness Fits for 2003-2009 Toyota 4 Runner/Lexus GX 470 with Factory Tow Package
  • Vehicle Fitment - This vehicle-side dual-output trailer wiring harness provides both a 7-way RV-style and a 4-pole flat connector for select 2003 - 2009 Toyota 4 Runner / Lexus GX 470 with a factory tow package
  • Stable Connection - This trailer wiring connector is designed to plug into existing vehicle wiring by pluging in OEM plug to output the taillights, left turn brake, right turn brake, ground, bakc up, electric trailer brake and aux power
  • Durable Construction - This trailer light connector comes a dust cap for 4 way flat to keep the plug socket clean when not in use. Weathertight spring-loaded cover on 7 way blade keeps out water and debris. The pigtail wiring guage is from 14-18ga, and is well-protected with the included split loom
  • Simple Installation - Equiped with OEM plugs for quickly and easily assembly, put your carrofix T-connector wiring kit to plug directly into OEM factory tow package wiring harness, no cutting, splicing or tapping required, up to 34 inches pigtails for flexible connection
  • Effective Solution - Provide all the needed electrical and mounting hardware connector kit to provide both a 4 wire flat and 7 way blade towing plug for your trailer, and support MONEY BACK GUARANTEE, if you are not 100% satisfied for any reason, we will refund you all
Rank No. #16
Hopkins 48925 Tail Light Converter with 4 Wire Flat Extension
  • Features a double-molded weatherproof design, corrosion resistant terminals, and 72 inches in length
  • Electronic taillight converter adapts tow vehicles taillight system to the trailer
  • Powers up to 2.1 amps per output
  • Converter mounts in trunk out of harm's way
  • Confirm Your Vehicle’s Fit: This is a vehicle-specific kit - use the confirm fit feature at the top of the page to ensure compatibility
SaleRank No. #17
CURT 58380 Vehicle-Side and Trailer-Side 4-Pin Flat Wiring Harness with 12-Inch Wires
  • 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
  • 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
  • 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
  • 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
  • READY TO INSTALL. Equipped with color-coded wires, these 4-prong trailer wiring connectors come ready to install. The 12-inch wire loop provides extra length for an easy installation
Rank No. #18
25ft Trailer Light Wiring Harness Kit 4 Pin Flat 4 Wire with 18 Gauge White Ground Wire Boat Trailer Wire Extension Connector Kit HE029
  • 😊Package contains: 1pc boat trailer light wiring harness and 8pcs special fixing clips to help the installation
  • 😊Product specification: This trailer wiring harness kit is total long 25 feet, 18AWG and equipped with 4-way flat plug connectors, the white ground wire is about 2ft which is with corrosion resistant terminal, the wiring is completely sealed, which can resist corrosion for long-term use
  • 😊Easy to use: This Trailer light wire is long enough to extend and meanwhile the flexible design makes the running light circuit separate at the trailer connector, so no need to jump a wire from one taillight to another, which is simple and convenient
  • 😊Wide application: This trailer wiring harness can be used to supply power for tail lights, turn signals and brake lights, and grounding connection, such as marine boat trailer, horse trailer, motorcycle trailer, ATV trailer and other trailer hitches (object must have 4-way plug)
  • 😊Buy with confidence: If you have any questions about the product, we provide 24-hours customer service
SaleRank No. #19
CURT 58304 4-Pin Flat Wiring Harness, 12-Inch Vehicle-Side and Trailer-Side Wires
  • 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
  • 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
  • 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
  • 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
  • READY TO INSTALL. Equipped with blunt-cut, color-coded wires and snap locks, these 4-prong trailer wiring connectors come ready to install. The 12-inch wire lead on the vehicle side and 12-inch wire lead on the trailer side provide extra length
SaleRank No. #20
CURT 58040 Vehicle-Side 4-Pin Flat Trailer Wiring Harness with 60-Inch Wires
  • EASY GRIP. Plugging in your trailer wiring and trailer lights is easy with the ergonomic design of this vehicle socket. It features tabs on the top and bottom for a better grip when plugging in or unplugging
  • RELIABLE CONNECTION. This 4-pin trailer wiring socket comes ready to splice into your existing vehicle wiring. It has 16-gauge wires and can be used to connect the taillights, brake lights and turn signals
  • VERSATILE DESIGN. This vehicle-trailer connector makes a great replacement 4-flat trailer wiring connector for your vehicle. The 4-pin wiring design matches industry-standard 4-way flat plugs and can be used for towing a wide variety of trailers
  • DURABLE CONSTRUCTION. For long-lasting use and a reliable connection, the housing of this vehicle-side 4-pin trailer wiring plug is made from durable black molded rubber that will never rust or corrode
  • READY TO INSTALL. Equipped with blunt-cut, color-coded wires, this 4-prong trailer wiring plug comes ready to install on your vehicle. The 60-inch wire lead provides plenty of extra length for a flexible installation

Last update on 2023-09-10 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

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Romance University provides an 4Runner Trailer Wiring buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information. How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available 4Runner Trailer Wiring currently available on the market.

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