4 Pin Trailer Wiring Diagram Top 10 Reviewed & Rated

4 Pin Trailer Wiring Diagram

SaleBestseller No. 1
CURT 56245 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Fits 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 56365 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Fits 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
SaleBestseller No. 3
CURT 55336 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Fits Select Honda Accord, CR-V, Odyssey, Pilot, Acura Integra, CL, RL, TL, MDX
824 Reviews
CURT 55336 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Fits Select Honda Accord, CR-V, Odyssey, Pilot, Acura Integra, CL, RL, TL, MDX
  • 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 Accord, CR V, Element, Odyssey, Pilot and Prelude, Acura Integra, CL, RL, TL and MDX and Isuzu Oasis (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
BougeRV 7 Way Trailer Plug Weatherproof Trailer Wiring Harness 7 Pin Trailer Connector Enclosed Trailer Accessories with Junction Box for RV Trailers, Campers, Caravans, Food Trucks (8 Feet Long)
  • BougeRV trailer plug is made from flameproof ABS junction box, good conductivity copper and solid cord.​​​​​​​ 4 open & 4 close rubber grommets makes the whole junction box weatherproof and corrosion resistant. Junction Box is much easier than managing loose wires.
  • There are several recognized wiring color code conventions on the 7-way trailer connector. Connected by function, not only by color. PLEASE FOLLOW BougeRV TRAILER WIRING DIAGRAM in DESCRIPTION or MANUAL.
  • Easy to replace damaged 7-way trailer connector plug, 8 feet length prevents it from being strained during an emergency turn. 7-Way Connects Brake, Running, Reverse, Turn Signals, and Auxiliary Power.
  • BougeRV trailer wire provides a fast, simple way to connect the wires from the trailer cord to the trailer wiring. perfect for RVs, trailers, campers, caravans, food vans and other towed vehicles.
  • What you'll get: 2 YEAR WARRANTY & Lifetime customer service. If you have any concerns or questions, please get in contact with BougeRV customer service.
Bestseller No. 5
CARROFIX 7 Way Blade Trailer Plug Socket - Vehicle-Side 7 Pin Trailer Wiring Harness Connector - Waterproof
  • BRAND NEW - Vehicle-Side RV blade 7 pole round connector socket, Solid black plastic housings, durable and waterproof, Impact and corrosion resistant, Quick and easy to install
  • WATERPROOF DESIGN - This 7-way blade socket is different from others on the market, constructed with detachable hardware design for easily splicing and well protect the terminals from the bad weather and hazardous road conditions
  • UNIVERSAL CONNECTION - This standard 7-way wiring connector is designed to mount on the vehicle-side to provide a connection for a trailer plug, it is usually used to connect the taillights, brake lights, reverse lights, turn signals, trailer brakes and auxiliary power (Please note this socket doesn't fit OEM wiring harness)
  • LONG LASTING USE - A particular gasket attached to the spring-loaded cover can effectively strengthen the waterproof protection, keeping the COPPER points safe from dirt, rain, corrosion or other elements, greatly extending the service life
  • BUY WITH CONFIDENCE - We highly value customer experience and satisfaction. You are welcome to actively share your opinions for this NEWLY RELEASED socket. We support MONEY BACK GUARANTEE and One Year Warranty, if you're not 100% satisfied for any reason, get your money back
Bestseller No. 6
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. 7
Kohree 4 Way Flat to 7 Way Round Blade Trailer Adapter Plug End 4 pin to 7 pin Electrical Connector with Mounting Bracket for RV, Truck, Car
  • 【Tight-Fitted Towing Adapter】 This adapter converts the 4-way flat socket to the 7-way round type socket, connecting tail light, reverse light, turn signals, brakes, and auxiliary power, transfer the power from the vehicle to trailer.
  • 【Hassle-Free Setup】Standard round 7-way flat blade connector easily and tightly snaps into trailer's existing socket and holds without any wiggle or loose, simple plug-and-play. Protective weatherproof cap, it's READY for any road condition.
  • 【Ultra Durability】Kohree trailer connector is made from heavy plastic for lightweight and durability. Brass terminals and tin contact offer better electrical conductivity. A well-sealed spring-loaded dust cover protects the connector from dust.
  • 【WIdely Application】Kohree Heavy Duty 4 way to 7 way adapter, offers a trusted power supply for towing, well lights up running lights, tail lamps, RV camper lights or other 4-pin led accessories.
  • 【Universe Plug】This 4 way trailer adapter plug works fine with any factory OEM 7-way plug, suitable for Boat, RV, ATV, Chevrolet, Ford, Dodge, RAM, Toyota, or GMC.
Bestseller No. 8
CURT 57672 Dual-Output 4-Way Flat Vehicle-Side to 7-Way RV Blade Trailer Wiring Adapter , Black
  • 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. 9
CURT 56189 Vehicle-Side Custom 4-Pin Trailer Wiring Harness, Fits Select Mitsubishi Outlander
  • 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 Mitsubishi Outlander
  • 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. 10
4-way Flat Trailer Connector with Snap Self-Closing Lid Cover Heavy-Duty 12V 4-pin Trailer Tow Wire Harness Socket Kit with 7.8" Wires Road Tough WeatherLock
  • READY-TO-INSTALL kit includes 4-pin socket, 200 mm/7.8-inch pigtail, mounting bracket and hardware
  • WeatherLock's 100% WATERTIGHT construction keeps water and dirt out per IPX7 and IPX9K
  • DURABLE FiberCore composite construction is mechanically strong and UV-resistant
  • HIGH-QUALITY plated contacts ensure many years of use
  • 100% meets SAE J1239 testing and performance requirements

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Last update on 2021-08-06 / Affiliate links / Images from Amazon Product Advertising API

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