Curt T-Connector Vehicle Wiring Harness for Factory Tow Package - 4-Pole Flat Trailer Connector

Curt T-Connector Vehicle Wiring Harness for Factory Tow Package - 4-Pole Flat Trailer Connector

Item # 56042

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Custom Fit Vehicle Wiring

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56042 - 4 Flat Curt Custom Fit Vehicle Wiring
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  • Custom Fit
  • Trailer Hitch Wiring
  • 4 Flat
  • Curt
  • No Converter
Quickly and easily install a 4-way trailer connector on your vehicle with this custom harness. Connector plugs directly into OEM tow package port - no cutting, splicing or tapping required. Call 800-298-8924 to order Curt custom fit vehicle wiring part number 56042 or order online at etrailer.com. Free expert support on all Curt products. Guaranteed Lowest Price and Fastest Shipping for Curt T-Connector Vehicle Wiring Harness for Factory Tow Package - 4-Pole Flat Trailer Connector. Custom Fit Vehicle Wiring reviews from real customers.


  • All Info
  • Reviews (44)
  • Q & A (113)
  • Videos (6)
  • Photos
  • Why etrailer?

Curt Custom Fit Vehicle Wiring - 56042

Quickly and easily install a 4-way trailer connector on your vehicle with this custom harness. Connector plugs directly into OEM tow package port - no cutting, splicing or tapping required.


Features:

  • Provides a 4-way flat trailer connector at the back of your vehicle to power your trailer's signal lights
    • Designed for use with a factory tow package
    • Compatible with 5-pole, 6-pole and 7-pole adapters (sold separately)
  • Connects quickly and easily - no cutting or splicing of wires
    • Locate connection point in rear cargo area
    • Plug in connector
  • Comes with dust cap for 4-way flat connector
  • Limited 1-year warranty


Installation

This custom-fit T-connector plugs into your vehicle's factory tow package wiring harness, which is located behind the driver's-side interior trim panel in your rear cargo area.


Once installation is complete, the 4-way connector will be stowed in an out-of-the-way location within your cargo area.


It is recommended that you use a small amount of grease on all electrical connections - the plug on your automobile and the 4-pole connector itself - to help prevent corrosion.



56042 CURT T-Connector - OE Replacement 4-Flat



56042 Installation InstructionsInstallation Details 56042 Installation instructions

This Product Fits The Following Vehicles

2008 - 2019 Toyota Highlander with factory tow package - converter under dash



California residents: click here


Video of Curt T-Connector Vehicle Wiring Harness for Factory Tow Package - 4-Pole Flat Trailer Connector


Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.




Video Transcript for Curt Custom Fit Vehicle Wiring - Trailer Hitch Wiring - 56042 Review

Today we're going to be taking a look at part number 56042. This is the Curt T-Connector Vehicle Wiring Harness with a 4-pull flat trailer connector. This product is designed for certain years of the Toyota Highlander, and it's going to provide your 4-way flat connector at the back of your vehicle to power your trailer signal lights. This is designed for vehicles that have a factory tow package already installed. It's going to be compatible with 5-pull, 6-pull, and 7-pull adapters. Those items are sold separately.

If you need one, you can find those here on our website. Now the benefit of this system is it connects quickly and easily. You don't have to worry about cutting or splicing any of your wires. All you have to do is locate the connection point in your rear cargo area. That's going to be behind the driver's side interior trim panel. It's going to come with instructions, it's going to walk you through the whole process step by step, so it's going to allow you to locate that connector as well. Once you find that connector, simply just plug in the connectors.

They're going to match up perfectly. They're going to snap together for a nice tight, secure fit. Once you have that done, that's really all there is to the installation. We do recommend that you use some of the included zip ties to secure any of the excess or slack wiring that you may have, keep it up and out of the way, and that you use a small amount of dielectric grease on all electrical connections to prevent any type of corrosion from being able to settle in. Once you're done, the connectors are going to be stowed in an out of the way area in the rear cargo space. I did take a measurement of the wiring before I started the video and it measured right around 61 inches.

You're going to have about 60 inches of wiring to work with, which should give you plenty of wiring to reach out the back of your vehicle and make your connection as necessary. It's also going to come with a nice dust cap. That way you can protect the connection points here on the plug when it's not being used. That's going to do it for our review of part number 56042. This is the Curt T-Connector Vehicle Wiring Harness with the 4-pull flat trailer connector..


Customer Reviews

Curt T-Connector Vehicle Wiring Harness for Factory Tow Package - 4-Pole Flat Trailer Connector - 56042

Average Customer Rating:  4.8 out of 5 stars   (44 Customer Reviews)

Quickly and easily install a 4-way trailer connector on your vehicle with this custom harness. Connector plugs directly into OEM tow package port - no cutting, splicing or tapping required.

- 56042
by:
Toyota Highlander

After balking at the cost to have an auto-shop add a trailer to our Toyota Highlander, we found etrailer.com and decided to take a chance. The "how to" videos factored considerably in our decision to buy ... they made it look so easy! And surprise! It really -WAS- that easy. We used standard block-type ramps (the kind you can buy for $40 ) to get the SUV up off the ground high enough to get underneath to do the work. Everything came off as easy as it was showed in the videos. Other than the fact this bar is a heavy so we had our teen daughter help hold it steady while we bolted it into place (i.e., get help for when you go to lift it), it went super smooth. Thanks for saving us $280 over the cost the car dealer quoted us! P.S. - be sure to watch the linked videos so you get the right trailer lighting attachment and ball hitch for your new hitch. 510339


Comments

We are very happy with our trailer hitch, and all the accoutrements that we purchased with it. Your videos were enormously helpful, the hitch went on easily with a bit of help from our teenage daughter to lift it up into place, and we recommend your business to friends when they express an interest in getting a camper.

Anna - 05/20/2019

55534

- 56042
by:
1999 Jayco Designer

This wiring harness was a huge time-saver over wiring things manually like we did for our last trailer hitch a long-long-long time ago! If you're not sure what to buy, watch the videos they have to make sure you get the correct one for your needs. We saved a HUGE amount of money over what the auto dealer quoted us for the exact same thing, and as a bonus, the how-to videos made it really easy to attach it ourselves. Yes, it really -is- that easy. 510292


Comments

We are very happy with our trailer hitch, and all the accoutrements that we purchased with it. Your videos were enormously helpful, the hitch went on easily with a bit of help from our teenage daughter to lift it up into place, and we recommend your business to friends when they express an interest in getting a camper.

Anna - 05/20/2019

55533

- 56042
by:

Perfect fit. Product installed easily in less than 15 minutes. 433619



- 56042
by:
2013 Toyota Highlander

Easily installed. 508335



- 56042
by:
2017 Toyota Highlander

I bought this for a new 2017 Highlander with towing package and it won't work without the converter. 447622



- 56042
by:
2015 Toyota Highlander

Could be a little longer. Instructions say to keep inside vehicle until ready to use but I ran mine through a rubber grommet that's exposed during installation. Unfortunately it doesn't come with the little cover to protect it from the elements. 182582



- 56042
by:
2008 Toyota Highlander

parts arrived ahead of schedule and in good order. Had it installed locally by a professional and am very pleased with the results, thank you! Order included: Draw Tite hitch receiver / tongue kit with 2 drop/raise sizes & 2 ball sizes / wiring, wire tester / for 2008 Highlander. 436455



- 56042
by:
2017 Toyota Highlander

Perfect fit with the 2017 Highlander. Simple installation. 456434


Comments

I am thrilled with the hitch and wiring. They have both performed flawlessly. Thanks for the follow up.

Brian - 12/01/2018

46264

- 56042
by:
Toyota Highlander

Just a heads up for Toyota Highlander owners. My Highlander had the towing package from the factory but I still needed the converter and wiring harness combo etrailer package. 252073



- 56042
by:

Prompt delivery of an excellent product. How-to videos on etrailer.com were the key to diagnosing the problem and making the installation easy. Keep up the fantastic work! 670910



- 56042
by:
2018 Toyota Highlander

Worked as expected 670783



- 56042
by:
2012 Toyota Highlander

***READ THIS*** Great product, easy install *BUT* This might help someone else. I called the dealer and found that my 2012 Toyota Highlander has the " V-6 Towing Prep Package" I had assumed that was the factory towing package, I was wrong. Save yourself the trouble and physically look under the dash for the white connector as well, if nothing (no converter) is plugged into it, you will need the other wiring kit with the converter. [one of etrailer.com videos] clearly shows the connector I'm talking about on a 2012 Highlander I have now ordered the correct part. I am still very happy doing business with etrailer.com Thanks! 656131



- 56042
by:
2015 Toyota Highlander

Great product. Easy to install. 651506



- 56042
by:

Works as advertised, price was right and shipping’ was quick. 644026



- 56042
by:
2013 Toyota Highlander

The wire harness for my 2013 Highlander fit perfectly. 642349



- 56042
by:

Spoke with Katherine and she helped me out tremendously. She sent me everything I needed and saved the day. Highly recommend etrailer!! 616752



- 56042
by:

Product was good. 609712



- 56042
by:
Toyota Highlander

Easy connection quick install , thankfully my Highlander came with a towing package 554779



- 56042
by:
2008 Toyota Highlander

The product is as advertised. The only complaint and it has nothing to do with etailer.com. UPS is the original shipper the part arrived to my hometown 3 days after it was ordered but because UPS dropped it off to USPS to deliver, it took a total of 7 days to arrive. Its a little annoying.. 510480


Comments

Still working, zero complaints

Scott - 05/20/2019

55500

- 56042
by:
2013 Toyota Highlander

Great product that came with easy directions. The installation video made it very simple to attach and now I am ready for my moving trip. Thanks etrailer! 507928



- 56042
by:
Toyota Highlander

Good but did not need. Hard to identify if Highlander had trailer package or not. 465620



- 56042
by:

the wiring harness plugged right in and came with excellent instructions very satisfied 457345



- 56042
by:

Got the part, looked well built and good quality but found out I ordered a wrong one. Gwendolyn already helped me processing the return. Ordered again yesterday for the correct part with the power converter included. Thanks Gwendolyn for prompt response and providing great service! 448758



- 56042
by:

Exactly what I needed after my OEM plug had corroded. Simple plug and go. I now pull the harness into the vehicle over the winter to avoid the winter salt. 411556



- 56042
by:
2014 Toyota Highlander

Plugged it right in and turned the lights on no problem! Great product so far. Will see how it holds up going forward. 402059



- 56042
by:
2013 Toyota Highlander

Excellent quality and fit perfectly after matching to the vehicle. 399615



- 56042
by:

Very nice product. Very quick installation. Connected to existing OEM wiring perfectly. Very satisfied. 355364



- 56042
by:
2017 Toyota Highlander

Fit my 2017 Toyota Highlander limited perfectly. Ship fast, Looks great. Thanks! 332812



- 56042
by:
2014 Toyota Highlander

great product! 322947



- 56042
by:
2016 Toyota Highlander

The product arrived and had excellent package, everything was as described. 307793



- 56042
by:
2015 Toyota Highlander

Great ordering and quick delivery. Product was just as described and super easy to install. Just a little disapoited in the wireharness that was available as it does not have a bracket to clamp to the hitch and will need to be replpaced. Make sure to order the correct one. 282991



- 56042
by:
Toyota

I had a harness from Toyota that lasted a year, they wanted $49 for a replacement. This harness is one year and still performs like new 265012



- 56042
by:
2012 Toyota Highlander

Hitch arrived on time. The hitch didn't line up to the Toyota Highlander predrilled holes in frame which caused a little extra work for me but I was able to install it myself. Overall I'm very happy with this product. It's very well made and would recommend it to a friend. 232530



- 56042
by:
2012 Toyota Highlander

Once I found out the Highlander had the Tow Pkg I ordered this. Install went really fast and the product works as designed. 218125



- 56042
by:
2011 Toyota Highlander

Product just as described. Installation instructions even had pictures. Nicely done. 217322



- 56042
by:

Very easy and good instructions. 214716



- 56042
by:
2013 Toyota Highlander

Product was exactly as expected. Arrived promptly and was well packaged. 202311



- 56042
by:

I bought the trailer hitch and required parts for my husband for Christmas. I had them install this week. All necessary parts were included and the dealership had no difficulty with the installation. Thank you. 192582



- 56042
by:
2012 Toyota Highlander

Product is exactly as described. A++ 185502



- 56042
by:
2008 Toyota Highlander

Received the wiring harness and did not realize that I needed to order the wiring harness for the front under dash, everything else looks great....very happy with the trailer hitch. 181649



- 56042
by:
2013 Toyota Highlander

The wiring harness fit properly with no issues. The installation instructions were also helpful. 136147



- 56042
by:
2008 Toyota Highlander

Easy install, but I didn't want to leave it in the cargo compartment. There was a rubber plug right there in the well with the pigtail - just cut a slice half-way cut through the plug, put the wire in the cut, then fed out for zip to the new hitch.. 133534



- 56042
by:
2012 Toyota Highlander

Directions were perfect. Very easy and quick install--15 minutes with very little experience. 129021



- 56042
by:

Fast shipping and very easy install. 124620


44
44

Ask the Experts about this Curt Custom Fit Vehicle Wiring


  • Recommended Trailer Wiring For 2017 Toyota Highlander To Tow Camper With 7-Way Connector
  • If you have the factory tow package and have a converter under the dash of your 2017 Highlander the wiring harness I recommend is the Curt T-Connector Vehicle Wiring Harness, part # 56042. This simply plugs into the factory tow package wiring harness located behind the driver side trim panel in the rear cargo area. If you do not have a toe package and converter, I recommend the T-One Vehicle Wiring Harness, part # 118449. The connection points for this are located under the spare tire...
    view full answer...

  • How To Tell If 2016 Toyota Highlander Has Factory Tow Package Wiring
  • I cannot say for sure how you can tell whether or not you have the converter on your Highlander but I can help you out with the trailer harness installation. The only sure way to tell which harness you need is to check out what wiring you have in the rear cargo area. If you watch the attached videos you can see where the installation differs. If you remove the back tray in the rear cargo area of your Highlander you can see if there are two connectors, one being bigger than the other....
    view full answer...

  • Recommended Trailer Hitch & Wiring for 2017 Toyota Highlander XLE Hybrid
  • For your 2017 Toyota Highlander XLE Hybrid the hitch I recommend is the USA-made etrailer 2-inch model # e98844 because it is compatible with your hybrid and because it offers easier no-drill installation than some of the other options. It is also compatible with a full size spare tire so long as that tire is not on an aluminum rim. I linked an installation video along with the written instructions so you can see the whole process. The etrailer hitch # e98844 has a substantial 900-lb...
    view full answer...

  • Does the Tekonsha T-One # 118449 Need to be Used for 2012 Toyota Highlander Without Front Converter
  • I'm glad that you like the etrailer.com Trailer Hitch Receiver # E98858 and Curt Class III Ball Mount Kit # C45036 that you purchased for your 2012 Toyota Highlander. When it comes to the Curt T-Connector # 56042 that you purchased, you can verify whether your Highlander is equipped with the tow package by contacting your local Toyota dealer with your VIN but the picture you sent in indicates that you don't have the tow package for your Highlander. If you find that your Highlander...
    view full answer...

  • How to Determine if My 2008 Toyota Highlander Has the Factory Tow Package
  • If your 2008 Toyota Highlander has a converter box under the dashboard already then you have the factory tow package. To give you an idea of what to look for I've attached a video of the trailer wiring being installed onto a Highlander without the tow package. If you watch around the 30 second mark you will see the converter box being plugged in. Also, you can verify with Toyota using your VIN to be completely sure if your Highlander has the factory tow package. If you do not have...
    view full answer...

  • Adding Wiring for a Brake Controller on a 2017 Toyota Highlander
  • If your 2017 Toyota Highlander already has a 4-Way wiring harness installed near the rear bumper then the kit you are looking for is the Universal Installation Kit # ETBC7. This wiring harness will convert your 4-Way to a 4-Way and 7-Way so that you can tow a trailer that uses either of those harnesses. The installation is actually pretty easy. Just plug the # ETBC7 into your existing 4-Way, install the mounting bracket to your trailer hitch (you can use a No-Drill mounting bracket #...
    view full answer...

  • 7-Way Trailer Wiring Recommendation for 2012 Toyota Highlander
  • You will need to start with a 4-way (if you do not have one). For that you would want the # 56042. Now if your trailer does not have brakes all you would need is the part # 37185 as an adapter to convert the 4-way to a 7-way. If you do have trailer brakes you would need the # ETBC7 instead of the # 37185 and a brake controller. This kit comes with everything needed to wire up the 7-way and install a brake controller. For a brake controller I would recommend the Prodigy P2 Brake...
    view full answer...

  • 7-Way Wiring Harness for a 2017 Toyota Highlander
  • If you already have the 4-Way wiring harness installed on your 2017 Toyota Highlander, than all you will need to do is install the Universal Installation Kit # ETBC7. If you do not already have a 4-Way at the rear of your Highlander, and if you have the factory tow package, you can use the Curt T-Connector # 56042. Otherwise you can install the Tekonsha T-One Wiring Harness # 118449 if you do not already have the tow package. The ETBC7 kit will add a 4-Way and a 7-Way wiring harness...
    view full answer...

  • Recommended Wiring Harness for 2017 Toyota Highlander with Factory Tow Package
  • If your 2017 Toyota Highlander does indeed have the factory tow package, I recommend the Curt T-Connector Vehicle Wiring Harness # 56042. This will easily install a 4-Way trailer connector by connecting to the existing port located behind the driver's side interior trim panel in the rear cargo area. If your Highlander has the tow package, this means it already has a built-in converter under the dash, so the converter box is not needed. If you are at all unsure, you can always visit...
    view full answer...

  • Trailer Towing Setup for a 2012 Toyota Highlander Limited to Tow 2 Jet Skis
  • For your 2012 Toyota Highlander Limited, you'll need a hitch, the wiring, a brake controller and an anti-sway system. Based on my research, it looks like Toyota recommends both a braking and a sway control device on a trailer at this weight on your vehicle. Prior to installing a hitch and towing a trailer, you'll want to verify your vehicle's gross vehicle weight rating (GVWR) and tongue weight rating (TWR) on the sticker inside the driver's side door jamb to ensure that you are aware...
    view full answer...

  • Does a 2010 Toyota Highlander With Factory Tow Package Have a Converter?
  • Since your 2010 Toyota Highlander has the factory towing package there will be a converter and you will only need to plug in the 4-flat wiring harness # 56042. To know if it has a converter - which will come with the factory tow package - you need to call your Toyota dealer and give them your VIN. They will be able to tell you everything that came with the vehicle, including whether or not you have the tow package.
    view full answer...

  • Recommendation to Install 5-Way Connector on 2018 Toyota Highlander
  • It sounds like you are needing to install a 5-Way connector on your 2018 Toyota Highlander, which will allow you to tie the reverse light to the 5th wire to activate the electric lockout on your boat trailer's actuator. The easiest way to do this will be to first install a 4-Way connector on the vehicle. If your Highlander does not have the factory tow package (that would have a converter under the dash), I recommend the Tekonsha T-One Vehicle Wiring Harness # 118449. If you do have...
    view full answer...

  • Recommended Trailer Wiring Harness For 2016 Toyota Highlander
  • The Curt Trailer Hitch, part # C13200 will work great on your 2016 Highlander. This is a Class lll hitch and it has a 2-inch receiver opening. It sounds like you plan on doing some towing so you might be interested in etrailer ball mount kit # 989900. It comes with 2 ball mounts; one with a 3/4 inch rise or 2 inch drop and one with a 2-3/4 inch rise or 4 inch drop. It also includes a 1-7/8 inch ball, 2 inch ball, hitch pin with clip, and a storage bag. If the ball mount kit does...
    view full answer...

  • What is the Purpose of the ModuLite Unit for the T-One Wiring Kit on a 2019 Toyota Highlander
  • The powered ModuLite unit that comes with the Tekonsha T-One # 118449 that you referenced ensures that the wiring output of your 2019 Toyota Highlander matches that of your trailer (as it has a separate wiring system and a trailer uses a combined wiring system) plus it helps protect the OEM wiring on your Highlander. If the wiring on your trailer were to go bad then it could cause your vehicle wiring to malfunction and you would have to take the Highlander to a shop to trace down the issue...
    view full answer...

  • How to Determine if a 2018 Toyota Highlander has a Factory Tow Package
  • You can have a Toyota dealer run the VIN number to determine how your 2018 Toyota Highlander is equipped. As far as trailer wiring you can check under the dash for any sort of wiring converter. It may or may not be labeled. Or you can find where a wiring harness plugs into the vehicle at the back and then use a circuit tester such as # 40376 to test that connector. Have someone sit in the vehicle and operate the lighting functions while you test the connector. If there is power on that...
    view full answer...

  • Recommendations to Add 7-Way and Trailer Brake Controller to 2018 Toyota Highlander
  • If there is not already a 4-Way connector installed at the rear of your 2018 Toyota Highlander, you will need to start with the Curt T-Connector Vehicle Wiring Harness # 56042. This custom harness will plug right into the factory port located behind the driver's-side interior trim panel in the rear cargo area of your Highlander. This is a simple "plug-and-play" installation. I have attached an installation video that you can use for reference. Then, with the 4-Way installed (or...
    view full answer...

  • Will a Trailer Hitch Interfere with Removal of Spare Tire on a 2016 Toyota Highlander
  • For Curt trailer hitch # C13200 they state that on the 2016 Toyota Highlander "Vehicles with a full size spare stored under the vehicle will not be able to store spare underneath after hitch installation." But if you have the mini spare (smaller than the tire size on the vehicle) then there won't be a problem. You may find that you will need to angle the spare tire when lowering or replacing it. The same goes for Draw-Tite hitch # 75896. They also have a note stating "When stowing the...
    view full answer...

  • Adding a 5-Way Flat Trailer Connector to a 2017 Toyota Highlander Limited with Tow Package
  • First I have to tell you that the 2017 Toyota Highlander warranty cannot be voided if you install or have someone install an aftermarket part. Now if that part was to cause a problem on the vehicle then the repairs would not be covered. With that said I would agree that if the vehicle is pre-wired for a trailer connector you would need an option that doesn't come with a converter. In order to get a 5-Way you would first need to install a 4-Way using # 56042. Then you would need the...
    view full answer...

  • Trailer Wiring Harness Recommendation for 2017 Toyota Highlander
  • It's very possible that your 2017 Toyota Highlander did not come with the needed converter to activate the trailer wiring like the part # 56042 that you referenced. So instead you'd need the trailer wiring harness part # C56217 and you'd be set.
    view full answer...

  • Fit of Thule Helium Aero with Curt Trailer Hitch Receiver on 2017 Toyota Highlander
  • The integrated hitch pin in the Thule Helium Aero # TH9043 is designed to install into the standard hitch pin hole of a trailer hitch receiver. If someone told you it needs to be inserted into the other hole of a hitch (Like a Draw-Tite hitch will have) then they're installing their bike rack incorrectly. The second hole is designed exclusively for a J-Pin Stabilization Pin # 63201. The Helium Aero will fit just fine with the Curt Trailer Hitch Receiver # C13200. However, you are...
    view full answer...

  • Is the Tekonsha Prodigy RF # 90250 Compatible with a 2017 Toyota Highlander XLE
  • As long as your 2017 Toyota Highlander has a fully functioning 7-Way that can provide power to the Tekonsha Prodigy RF # 90250 then you can use it. This is a universal controller that installs on the trailer. I have attached a photo that shows the different mounting locations on the trailer that you can use. If you do not have a fully functioning 7-Way on your Highlander then you will first need to install the Curt # 56042 if you have the factory tow package or the Tekonsha T-One # 118449...
    view full answer...

  • How to Determine if a 2013 Toyota Highlander Limited Can Tow a Trailer with a 5,250 lb GVWR
  • If you have a 5,000 lb trailer towing weight capacity for your 2013 Toyota Highlander Limited and you will not be filling your tanks before traveling then you should be okay. The difference between your dry trailer weight and the GVWR (Gross Vehicle Weight Rating) is 2,685 lbs. Since the GVWR is the max weight that your 2007 Fleetwood Pegasus Ultralite can weigh that means you have to take a lot of cargo with you. Be sure to check your owner's manual to ensure that you do have a trailer...
    view full answer...

  • Carrying an 18-1/2 Foot Canoe and Tandem Bike on a 2018 Toyota Highlander with Factory Roof Rack
  • There are canoe carriers that work with the bar spread of 27-1/2 inches on your 2018 Toyota Highlander. The Swagman Exo Aero # S65145 requires a minimum of 24 inches of bar spread. But I understand what you are saying. The canoe is so long you will need extra support. If your Highlander has a 2 inch trailer hitch or if you added one such as # e98844 you could then use a load extender such as the Yakima LongArm # Y01149 or MaxxTow extender # MT70231. These will essentially add a third...
    view full answer...

  • Trailer Wiring Solution for 2015 Toyota Highlander without Factory Wiring
  • Sounds like your vehicle is still missing the middle section of wiring for trailer wiring. The only option we have would be for you to order the part # 118449 which includes the converter section you are in need of plus the 4-way harness you already have.
    view full answer...

  • Compatibility of Tekonsha Prodigy RF Brake Controller on 2017 Toyota Highlander with LED Lights
  • As you referenced in your question, there can sometimes be issues on vehicles with LED taillights and the Tekonsha Prodigy RF Brake Controller # 90250 because the LED lights may not supply enough voltage for pairing with the controller. This is typically only a factor with vehicles made by a European manufacturer. I went ahead and spoke with my contact at Tekonsha regarding your 2017 Toyota Highlander. He confirmed that the Prodigy RF will work just fine with this vehicle and its LED...
    view full answer...

  • Identifying the Type of Spare Tire on 2017 Toyota Highlander for a Hitch Install and Trailer Wiring
  • Since your 2017 Toyota Highlander has the factory tow package you can use Curt trailer wiring harness # 56042. If your spare tire is the same size as the other tires on the vehicle then you have a full-size spare. If it is the smaller donut then it is the mini spare. The tire size should be on the sidewall of the tire so you would have to go under the vehicle to see the size on it. That is the easiest and fastest way. The available hitches for the vehicle, # C13200 and # 75896, work...
    view full answer...

  • Wireless Controller Needed for Towing with a 2018 Toyota Highlander
  • We do have a wireless brake controller that can be used with virtually any vehicle; the Tekonsha Prodigy RF # 90250. This is a proportional brake controller that uses inertia sensors to determine how much power to apply to the brakes so that your trailer brakes at the same time and with the same intensity as your 2018 Toyota Highlander. The only thing required to use this brake controller is a 7-Way that has the basic trailer functions and 12V power active. If you don't have a 7-Way...
    view full answer...

  • Pick Out Trailer Wiring Harness for 2017 Toyota Highlander with Tow Package
  • Since you have the tow package on your 2017 Toyota Highlander the converter is present under your dash so for trailer wiring you'd want the part # 56042 and you'd be set. I attached an install video for this for you to check out as well. Had you not had the tow package the correct harness is the part # C56217.
    view full answer...





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Info for this part was:

Photos by:
Theodore B
Expert Research:
Michael L
Expert Research:
Michael H
Expert Research:
Jameson C
Test Fit:
Nicholas E
Video Edited:
Jacob T
Updated by:
Adele M
Video by:
Andrew L
Expert Research:
Adam R
Video Edited:
Dustin K
Installed by:
Cole B
Expert Research:
Jeffrey L
Test Fit:
Randy B
Video Edited:
Chris R
Updated by:
Sarah W
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Zach D
Test Fit:
Shane H
Test Fit:
Robert C
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David F
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Kristina F
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Michael B
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