4 Pin Trailer Wiring Diagram Top 10 Reviewed & Rated

4 Pin Trailer Wiring Diagram

Bestseller No. 1
CURT 56245 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Select Chevrolet Traverse, GMC Acadia, Buick Enclave
  • 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 Traverse, GMC Acadia and Buick Enclave (factory tow package required)
  • 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 into your trailer or unplugging
  • 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
Bestseller No. 2
CURT 56348 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Select Hyundai Tucson , Black
  • 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 Hyundai Tucson
  • 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
Bestseller No. 3
CURT 56365 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Select Honda Pilot, Ridgeline
  • 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 Honda Pilot and Ridgeline (factory tow package 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
Bestseller No. 4
CURT 56343 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Select Ford Flex
  • 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 Ford Flex
  • 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
Bestseller No. 5
CURT 57672 Dual-Output 4-Way Flat Vehicle-Side to 7-Way RV Blade Trailer Wiring Adapter
  • VERSATILE DESIGN. This dual-output trailer wiring adapter makes it easy to tow different trailers with your vehicle, equipping it with a standard 7-way RV blade socket while retaining use of the existing 4-way flat wiring
  • WEATHER-RESISTANT. This trailer wiring harness adapter comes with dust covers for the 4-pin and 7-pin wiring sockets to protect the terminals from water, dirt and corrosion. The wiring harness is also well-protected with the included slit loom sleeve
  • STANDARD CONNECTION. This trailer hitch wiring adapter plugs into any standard 4-way flat and can be used to connect the taillights, brake lights, turn signals, reverse lights, trailer brakes and auxiliary power (some splicing required)
  • EASY TO INSTALL. This dual-output 4-pin to 7-pin trailer adapter wiring comes ready to plug into your vehicle or trailer wiring with minimal splicing required. It also includes a mounting bracket for convenient attachment to your hitch or bumper
  • DURABLE CONSTRUCTION. For long-lasting use and a reliable connection, the housing of this trailer harness adapter is made from durable black plastic that will never rust or corrode
Bestseller No. 6
ABN Trailer Wire Extension, 8ft, 4-Way 4-Pin Plug Flat 20 Gauge – Hitch Light Trailer Wiring Harness Extender
  • EFFORTLESS TRAILER WIRING: Use the ABN Trailer Wire Extension, 8’ Foot, 4-Way 4-Pin Plug Flat 20 Gauge – Hitch Light Trailer Wiring Harness Extender to extend current truck to trailer wires
  • VARIOUS APPLICATIONS: 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)
  • BUILT TO LAST: Heavy-duty 20-gauge wires for strength and longevity; Color-coded for your convenience
  • NO SPLICING: No need to splice your new wires, simply extend them with this extender
  • PACKAGE CONTENTS: Package includes (1) 8-foot (2.4m) extension for your convenience
SaleBestseller No. 7
ABN 7 Pin Trailer Wiring Harness Plug Inline Trailer Cord - Roj Plug Trailer Cord with 7 Gang Junction Box and 4ft Cord
  • [Effortless Trailer Wiring Kit]: Remove the guesswork when wiring your trailer to your vehicle with the ABN ROJ Adapter Trailer Plug 7 Way Trailer Wire Pigtail Inline Trailer Cord; Run your electric light signals to your camper and trailer for safe traveling
  • [Use All Year Round]: Trailer wire harness casing offers weather resistance from 40-degrees Fahrenheit (105°C) dry and 15-degrees Fahrenheit (60°C) wet; 7 pin trailer plug light wire kit is perfect for RVs, trailers, campers, caravans, trucks, food vans, and other towed vehicles
  • [Replace Your Old Trailer Junction Box]: Each 7 pin trailer connector features identifiable markings and different colored to allow for simple and secure installation of RV and towing hook up
  • [Color-Coded for Quick Installation] 7 gang trailer box features color-coded studs to connect your ground wire (white), 12V charge line/aux cord (black), reverse lights (yellow), left stop and turn lights (red), right stop and turn lights (brown), tail lights (green), and electric brake lights (blue)
  • [Built to Last]: 30 Mil AWG Copper wiring with 2/10-1/12-4/14-gauge wires have a flexible plastic casing that resists weather and moisture; 4-foot (1.2m) extension includes length of the wire and junction box
Bestseller No. 8
SnowyFox 7 Way Trailer Plug Cord Junction Box - Heavy duty 7 Pin Trailer Wiring Harness Inline Cord Cable Weatherproof Corrosion Resistant, 8 feet
  • 7-way copper blade molded into a heavy duty plug, provides a fast and simplified way for wires connection. Also keeps all your trailer wiring in orders. Be attention: Pls read the plug diagram carefully First and refer to the diagram to install this 7 way plug
  • It is easily identified that sturdy junction box with color marked 7-poles, gives you more convenience for wiring left/right turn light, brake signal lamp, reverse light, tail light, etc
  • Adopted flameproof ABS junction box and good conductivity copper with solid cord, stronger and rugged. It is perfect for RVs, trailers, campers, caravans, food vans and other towed vehicles
  • 8FT long cord with soft and durable PVC housing, offers you plenty of flexibility to wire it from the front to the rear of your car
  • 4 open and 4 close rubber fitted grommets for option based on your wiring needs, making the whole junction box waterproof, dustproof and corrosion resistant
Bestseller No. 9
MICTUNING Heavy Duty 7 Way Plug Inline Trailer Cord with 7 Gang Junction Box - 8 Feet, Weatherproof
3,093 Reviews
MICTUNING Heavy Duty 7 Way Plug Inline Trailer Cord with 7 Gang Junction Box - 8 Feet, Weatherproof
  • 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.
  • 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.
  • 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.
  • 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.
Bestseller No. 10
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
1,378 Reviews
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
  • 【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.
  • 【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 aluminum trailer based on the ground wire.
  • 【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.
  • 【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.
  • 【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.

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Last update on 2021-05-11 / Affiliate links / Images from Amazon Product Advertising API

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