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Curt Manufacturing 56147 Vehicle-Side Custom 4-Pin Trailer Wiring Harness,Fits Select Toyota Prius

4.6 4.6 out of 5 stars 359 ratings

To see product details, add this item to your cart. You can always remove it later.
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Purchase options and add-ons

Brand CURT Manufacturing
Material Plastic
Item Dimensions LxWxH 9 x 6 x 3 inches

About this item

  • 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 Prius
  • 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
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Important information

Legal Disclaimer

The information provided is for general informational purposes only.


From the manufacturer

CURT Custom Trailer Wiring

Wherever your work or play takes you

CURT offers custom trailer hitches, electrical products and a complete line of towing accessories to get you there with confidence and enjoy every mile of the journey.

4 Pin Trailer Wiring Harness Connector

CURT Custom Vehicle-Trailer Wiring Harness

Custom fit. Plug-and-play. Reliable power.

A CURT custom trailer wiring harness is the easiest way to equip your vehicle with the proper electrical connection for towing a trailer. Our custom wiring offers simple, plug-and-play convenience with no cutting or splicing required, and provides a reliable connection for powering your trailer lights.

Best of all, each CURT custom trailer wiring harness is made vehicle-specific for a unique make and model. This makes installation hassle-free and ensures optimal performance with your vehicle.

Key features of CURT trailer wiring

  • Simple, plug-and-play installation
  • Constructed with SMT circuitry
  • Provides a standard trailer wiring output, usually 4-way or 5-way flat
  • Dust cover included to keep connector clean when not in use

Installation of CURT custom vehicle trailer wiring

CURT Trailer Wiring Connector Custom Vehicle Wiring

CURT Vehicle Trailer Wiring Installation

CURT Custom Trailer Wiring Installation Auto

CURT Vehicle Trailer Wiring Connector Plug In

Two types of trailer wiring

CURT offers two types of custom trailer wiring: custom wiring harnesses and custom wiring connectors. Both are made for specific vehicles, and both require zero cutting or splicing.

Custom trailer wiring harnesses

A custom trailer wiring harness (also known as a ‘T-connector’) is designed to ‘T’ into your vehicle’s taillight assembly. This simply requires access to the taillight wiring.

Custom trailer wiring connectors

A custom wiring connector uses a single plug to plug into a designated OEM socket on the vehicle. Not all vehicles are equipped with this socket, but it does make installing very easy.

Both vehicle-specific

Each custom trailer wiring harness and connector is made for a specific make and model, featuring the necessary components to provide a standard trailer wiring output.

CURT Towing Electrical Trailer Wiring Gooseneck Farm Truck

Selecting custom wiring

Whatever your lifestyle, choosing the right CURT custom trailer wiring harness for your vehicle is easy. Simply use your vehicle's year, make, model and style.

Benefits of CURT surface mount technology (SMT)

CURT Trailer Wiring Circuitry

CURT Trailer Wiring Lights

CURT Trailer Wiring Harness 7-Way RV Blade

Minimum heat generation

The high-quality components used in our custom trailer wiring create very little resistance to reduce heat, limit voltage drop and extend the life of the circuits.

Optimum light intensity

SMT is manufactured with automated processes for maximum consistency and the highly efficient circuitry promotes optimum intensity and life for the trailer light.

Durable performance

Surface mount technology is able to better withstand shaking and vibrations, conditions that are common while towing, compared to traditional through-hole-mount tech.

Product Description

If your vehicle is not equipped with wiring for towing a trailer, CURT custom wiring is the ideal solution. A custom wiring harness -- also called a T-connector -- is a simple, plug-and-play electrical device that plugs into your automotive electric system and provides a standard, universal trailer wiring connection. This is done using two or more vehicle-specific, OEM-compatible connectors to plug into the taillight assembly, eliminating the need for cutting, splicing and soldering during installation. Custom wiring harnesses are made vehicle-specific, and while they are not available for all vehicles, they do offer one of the fastest, easiest and most secure ways to wire a vehicle for towing. This particular plug-in harness provides a 4-way flat connector socket and is designed to be a custom wiring harness to fit certain years of the Toyota Prius (to verify your vehicle compatibility, see application info). It comes with all necessary wiring components to establish a reliable trailer wiring connection, as well as a dust cover to keep the connector clean when not in use. You have a picture in mind of your next destination -- maybe it's the boat landing at your favorite fishing spot, maybe it's a campsite that overlooks one of nature's masterpieces, or maybe it's the next big jobsite. However, turning that picture into a reality takes more than just daydreaming. It takes a solid connection and the right amount of power. CURT custom wiring is made with some of the most sophisticated technology in the industry and is designed to install with ease, giving you a long-lasting electrical connection for your towing hitch setup.

Product information

Technical Details

Additional Information

Warranty & Support

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Curt Manufacturing 56147 Vehicle-Side Custom 4-Pin Trailer Wiring Harness,Fits Select Toyota Prius


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    Price-36% $56.19
    List:$87.95
    $23.99$51.99-5% $31.19
    Typical:$32.99
    -19% $58.66
    List:$72.28
    -8% $59.65
    Typical:$64.65
    Delivery
    Get it as soon as Wednesday, Apr 3
    Get it as soon as Wednesday, Apr 3
    Get it as soon as Wednesday, Apr 3
    Get it as soon as Wednesday, Apr 3
    Get it as soon as Wednesday, Apr 3
    Get it as soon as Wednesday, Apr 3
    Customer Ratings
    Easy to install
    4.8
    4.5
    4.8
    4.9
    4.2
    Value for money
    4.7
    4.4
    4.8
    4.6
    3.9
    Sold By
    Amazon.com
    MECMO
    Oyviny
    MECMO
    Amazon.com
    Amazon.com
    material
    Plastic
    Copper
    Acrylonitrile Butadiene Styrene, Rubber, Plastic
    Rubber
    Polyvinyl Chloride (PVC)
    Rubber

    Looking for specific info?

    Customer reviews

    4.6 out of 5 stars
    4.6 out of 5
    359 global ratings

    Customers say

    Customers like the ease of installation, performance, fit, quality and value of the cable assembly. For example, they mention it works flawlessly, it's well built and it helps save fuel and money. Some appreciate the cutting.

    AI-generated from the text of customer reviews

    97 customers mention97 positive0 negative

    Customers find the installation of the cable assembly to be easy and quick. They mention that the T-connector is easy to install into the existing plugs, and the kit is user friendly. Customers also appreciate the great instructions with pictures specific to their car.

    "I fitted one to a Toyota prius 2013 UK and it was very easy by following the video instruction on YouTube...." Read more

    "...Great instructions with pictures specific to my car made it easy to install this wiring harness in my 2010 Prius Five...." Read more

    "It's very easy to install. It's built perfectly to the prius (not the V)...." Read more

    "Curt 56147 Prius trailer lights harness. Install was easy enough and it works as it should...." Read more

    58 customers mention53 positive5 negative

    Customers are satisfied with the performance of the cable assembly. They mention that it works flawlessly, it's easy to install, and it works right away. Some say that they haven't had any problems with use. Overall, most are happy with their purchase and recommend it to others.

    "...Save the hassle and get this kit. Works perfectly and perfect for DIY. Was quoted £350 to have done by car Electrician...." Read more

    "It overall worked great, but a few minor issues:First, the double sided tape had zero stickiness...." Read more

    "It works and does what is required, exactly as is. Thank you." Read more

    "Very easy kit to install on your Prius, works well. I have a 2010 Prius III with 185k on it...." Read more

    20 customers mention14 positive6 negative

    Customers like the fit of the cable assembly. For example, they say it's a perfect fit.

    "...Everything fit like it should...." Read more

    "It fits real nice and easy and quick but the wiring from one tail light to the other are about a foot to short it is not possible to hide them under..." Read more

    "Despite Amazon's warning that this product does not fit my Prius 2015, the Curt website said it did and the E-trailer site said the same...." Read more

    "...Fit my 2011 prius perfectly and the pigtail reached my trailer just fine. Lights worked and were bright. No funny turn signals or dashlights...." Read more

    19 customers mention16 positive3 negative

    Customers like the quality of the cable assembly. They say it's well built, professional, and perfectly engineered for their 2005 Prius. Some mention that it works well and is easy to install.

    "...No cutting of wires or using Scotch Lock Wire Connectors. The item is well built and a clever bit of kit and credit to the inventor...." Read more

    "Good product" Read more

    "I really like the quality of this item. This is a diy job that can be done in an hour or so...." Read more

    "...Thick enough wire to bring comfort. No unsolicited requests for reviews." Read more

    13 customers mention13 positive0 negative

    Customers appreciate the value of the cable assembly. They say it's well worth the price, saves them a lot of money, and is a good purchase. Some mention that the plug and play aspect of the product is lovable.

    "...This certainly will not answer every hauling need but it will help save fuel and money with quite a few...." Read more

    "...but it was well worth doing it myself,, and saved me a lot of money.You might need some trim panel remover tools, to make the job easier...." Read more

    "Great buy and saves time" Read more

    "...Good purchase and I love the plug and play aspect of it." Read more

    9 customers mention9 positive0 negative

    Customers find the cutting of the cable assembly to be easy. They mention that it installs very easily, with no cutting or splicing of wires.

    "...No cutting of wires or using Scotch Lock Wire Connectors. The item is well built and a clever bit of kit and credit to the inventor...." Read more

    "...It took me 20 minutes and works perfectly. No cutting or splicing at all-you just plug a few clips into pre-existing clips and hook up the positive..." Read more

    "...This is the right way to add trailer lights. No cutting or splicing wires necessary...." Read more

    "Super easy to install and no cutting wires or splicing. The ground was hard to put on because the prius has no good place for it...." Read more

    5 customers mention5 positive0 negative

    Customers find the cable assembly kit complete and easy to install. They say the instructions are good, and everything needed was there. Customers also say the kit is well built and a clever bit of kit.

    "...The item is well built and a clever bit of kit and credit to the inventor. It is like plug and play and a little bit more...." Read more

    "...Also had to drill one small hole for the ground cable. Kit is complete and easy to install for a DIY person taking about 45 minutes to complete." Read more

    "It was very easy to install. Worked great, and came with everything I needed in the package." Read more

    "Instructions were good, everything needed was there, installation went smoothly and quickly. Good value for a good product. Thanks CURT!" Read more

    4 customers mention4 positive0 negative

    Customers are satisfied with the length of the wire. They mention that it works as advertised, and has enough wire to reach all the places needed to plug it in.

    "...The length of cable is also really nice." Read more

    "...There was plenty of wire to reach all the places needed to plug it in...." Read more

    "The cable is extremely long, which is great to avoid having to use an extension cable, and installation instructions were great...." Read more

    "Easy, clean install. All the wires were of sufficient length and it worked as advertised...." Read more

    Wires to short
    4 Stars
    Wires to short
    It fits real nice and easy and quick but the wiring from one tail light to the other are about a foot to short it is not possible to hide them under the carpet,had to add my own wire,
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    Top reviews from the United States

    Reviewed in the United States on September 13, 2023
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    Top reviews from other countries

    Andrew Sinclair
    5.0 out of 5 stars Worked great on 2008 Prius
    Reviewed in Canada on October 22, 2018
    One person found this helpful
    Report
    Serge L
    5.0 out of 5 stars Connecteur Prius bon produit
    Reviewed in Canada on June 13, 2017