1. Custom Fit Vehicle Wiring
  2. Tekonsha
  3. Custom Fit
  4. Trailer Hitch Wiring
  5. 4 Flat
  6. Powered Converter
T-One Vehicle Wiring Harness with 4-Pole Flat Trailer Connector

T-One Vehicle Wiring Harness with 4-Pole Flat Trailer Connector

Item # 118741
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Retail:$71.95
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Custom Fit Vehicle Wiring

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118741 - Custom Fit Tekonsha Custom Fit Vehicle Wiring
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Quickly and easily install a 4-way trailer connector on your vehicle with this custom wiring harness. T-One connector plugs directly into existing wiring - no cutting, splicing or tapping required. Powered ModuLite reduces strain on wiring system. Call 800-298-1624 to order Tekonsha custom fit vehicle wiring part number 118741 or order online at etrailer.com. Free expert support on all Tekonsha products. Guaranteed Lowest Price and Fastest Shipping for T-One Vehicle Wiring Harness with 4-Pole Flat Trailer Connector. Custom Fit Vehicle Wiring reviews from real customers.
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  • Reviews (35122)
  • Q & A (140)
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  • Why etrailer?

Tekonsha Custom Fit Vehicle Wiring - 118741

  • Custom Fit
  • Trailer Hitch Wiring
  • 4 Flat
  • Tekonsha
  • Powered Converter

Quickly and easily install a 4-way trailer connector on your vehicle with this custom wiring harness. T-One connector plugs directly into existing wiring - no cutting, splicing or tapping required. Powered ModuLite reduces strain on wiring system.


Features:

  • Provides a 4-way flat trailer connector at the back of your vehicle to power your trailer's signal lights
    • Compatible with 5-pole, 6-pole and 7-pole adapters (sold separately)
  • Connects quickly and easily
    • Locate connection point in rear cargo area
    • Plug in T-connector
  • Includes ModuLite power converter to ensure that your vehicle's wiring matches that of your trailer
    • Powered module draws power from fuse to avoid overloading vehicle's electrical system
  • Constructed of 16-gauge bonded wire
  • Comes with dust cap for 4-way flat connector


Specs:

  • Maximum amperage:
    • Stop/turn lights: 5 amps per circuit
    • Tail lights: 7.5 amps per circuit
  • 1-Year limited warranty


Installation

This custom-fit T-One connector plugs into your vehicle's wiring harness, which is located in your rear cargo area, behind the driver's-side interior trim panel. Once you've plugged in the T-connector, open the fuse compartment beneath the driver's-side dash. Locate the fuse position indicated in the instructions, then insert the included fuse.


Once installation is complete, the 4-way flat connector will be stowed in your rear cargo area.


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


ModuLite Powered Tail Light Converter

A ModuLite power module is built into this T-One connector. Because most trailers run on a two-wire system - wherein the brake and turn signals are carried on one wire - the separate brake and turn signals from your vehicle's three-wire system need to be combined so they are compatible with the wiring system of your trailer. This power module functions as a tail light converter to combine the brake and turn signal functions of your automobile so that they run on one wire to properly activate your trailer's tail lights. Note: This will not affect how the tail lights on your vehicle operate.


With a ModuLite, your trailer's lights will be powered without overloading your vehicle's electrical system. Because the module draws power directly from your car's battery and bypasses the electrical routes that are used by a basic wiring harness, there is virtually no draw on your tail light circuits.



118741 Tekonsha T-1 T-Connector - 4 Wire - Modu-Lite Converter Included

Installation Details 118741 Installation instructions

This Product Fits The Following Vehicles



California residents: click here



Customer Reviews

T-One Vehicle Wiring Harness with 4-Pole Flat Trailer Connector - 118741

Average Customer Rating:  4.8 out of 5 stars   (35085 Customer Reviews)

Quickly and easily install a 4-way trailer connector on your vehicle with this custom wiring harness. T-One connector plugs directly into existing wiring - no cutting, splicing or tapping required. Powered ModuLite reduces strain on wiring system.

- 118741
by:

Great product at a great price. Only suggestion would be to have a way to connect to the trailer wiring without having it being closed on by the tailgate of my CRV. I ultimately ran the cable into my spare tire compartment and then drilled a hole out near my trailer hitch and installed a grommet. Works and looks great but I had to cut the trailer connector off the T1 harness to dress the wires through my new hole and then reconnect it. The whole e-trailer experience and products were fabulous. I have a hitch and wiring harness that are as good as the Honda hitch/harness for hundreds of dollars less.



- 118741
by:
Honda

Hitch is working great. Installation went well with no issues - had a mechanic do the install. The hitch fits well on my Honda CRV 2018. Flush with rear bumper so no problem with leg scrapes. Support arms are barely noticeable as they sit up close to the underside of the car.


Comments
After a year of use, the hitch looks great and has performed well. A little car wax helps keep it looking new. Have used it a few times over the year.
DanW - 05/20/2020


- 118741
by:
2017 Honda CR-V

Great customer service and nice people... Called me on a Saturday to follow up with my order !! Purchased the Draw-Tite 76128 for my Honda 2017 CR-V. Fit perfectly with no issues. Enjoyed the informative on-line installation video and detailed instructions that came with the unit. Had to release the exhaust hanger right behind the right rear wheel to get enough space to get a torque wrench on the 4 mounting bolts..not a big deal. All work was done WITHOUT requiring the vehicle to be on jacks or a lift !! Also installed the wiring harness 118741. The installation video was a big help and yes it is challenging to install only because of the small working space. Used 1 x 2's to help keep the work area open. To separate the connector from the taped bundle of wires, I used an exacto knife to carefully slit the tape and a long handled screw driven to peel back the rest of the tape to expose the connector. This takes a little bit patience, but it can be done. Used the I26 4-way tester to verify the wiring functioned properly before securing the interior panels, a real timer saver! Thank you etrailer for outstanding products and customer service...What a great experience overall !!!


Comments
No issues with product. Works great as expected
Mark F - 10/18/2020


- 118741
by:

Installation instruction could use a little more detail for DIY installer, but overall doable and works as advertised.



- 118741
by:

I installed the Draw-Tite 76128 Hitch, the 118741 wiring harness and the 18144 bracket to mount the wiring plug. You can route the plug through the hole that is provided for the factory hitch wiring (it will fit through, but it is tight) and use the bracket to clean up the install. It looks pretty sweet doing it this way.


Comments
I am still very satisfied with the installation as well as the products. They were put to use about a month ago towing a trailer from Central Vermont to Southeast Ohio. That was about 800 miles and absolutely no trouble.
TomB. - 06/28/2018



- 118741
by:

The harness fits perfectly and the installation instructions were really helpful. It took a little work to open up the plastic trim and insert the harness, but I really like the fact that it just plugs in, and no modifications to the factory wiring harness are required. It works great.



- 118741
by:

I don't know much about the actual trailer hitch and wiring harness but I do very much like all the communication I received from the company. I have friends who have this particular model of hitch and have been very happy with it. I suspect I will do the same.



- 118741
by:

We purchased the wire harness and hitch together as it was much less expensive and then i installed it myself. I saved at least $150-$200. It’s one year later and still works without a problem. We enjoy taking the boat to the lake with it.



- 118741
by:
2020 Honda CR-V

I was very pleased with the quick delivery. Also I would like say something about the product. For those of you that don’t know wha E-coat is, it a process of applying paint that is floating on water with an electrical charge. The advantage of this is that it paints inside and outside of the tubbing. Then it get a powder coat over the outside. This process will greatly refuse the chances of rust. The installation of the hitch including wire harness took about one and a half hours to complete.



- 118741
by:

Well everything I ordered for my first delivery had shown up and in perfect condition.hopefully I can put it in this weekend.The Drawtite max frame trailer hitch looks strong.



- 118741
by:

Second time I’ve bought a hitch and wiring harness, first time for 2013 CRV and now for my New 2019 CRV. I installed the hitch myself using car ramps it probably would have been easier with two people but it really is that easy if you are handy with your hands. You just need to take time with the wiring harness as the video suggests. Cost was less than 150.00 for both. My wife got an estimate for her SUV and the dealer wanted 650.00 for install. This was money well spent. Thank you etrailer.



- 118741
by:
2021 Honda CR-V

Received hitch in less time than I thought it would take.. I was going to install myself but do to my age I decided to have it installed by others. Looks nice. I will be using this primarily for my utility trailer.



- 118741
by:
2019 Honda CR-V

Directions were ok but need to point out using scissors or long pointed sharp knife to cut tape from connector. You don’t want to drop any tools so you may also point out it may be a good idea to have magnet on expandable shaft available in case you drop any tools. Would be nice if you explained how to remove middle retainer on panel in front of ground bolt so you would have more room to remove ground hex head bolt. Person with large hands has a difficult time reaching in to bolt to fit socket on head.



- 118741
by:
2019 Honda CR-V

etrailer is the best, thanks for all the vids guys! Makes the install a breeze! Much appreciated! At the end of the Tekonsha wiring install vid it shows that the fuse was already installed on the vehicle. So sure enough, I turned my lights on and BAMB, my fuse was already installed as well. I used a couple 2x4's to hold the panels back...



- 118741
by:

I have purchased hitches and wiring from etrailer three times. Each time, the products arrived quickly, fit perfectly, instructions were crystal clear, and the transaction was quick and painless. This hitch for the CR-V was perfect, solid and relatively easy to install. The wiring kit was a little tougher but mostly because removing the interior trim was challenging for me. There was a difference between the etrailer wiring installation and the Honda harness: the etrailer harness lies in the back of the vehicle, on top of the spare when not in use, avoiding the need to remove the rubber plug to route the wire out of the spare tire compartment. The dealership told me that failing to seal that hole sufficiently would cause the compartment to take on water when driving in rain. Routing the wire through the bottom of the door is not a problem for occasional use, but doing this frequently might cause the wire to wear and fail after some period of time. This does make for a clean installation, as you don’t see the harness at all the 99% of the time you are not using the hitch. If I were going to use the hitch really frequently, I would opt for a wiring package that resealed that compartment and permanently attaches the connector near the hitch.



- 118741
by:

Bought a 5' × 8' trailer to hall my alfalfa and been camping 2 times. It was easy to install. It's a great hitch. Thanks


Comments
Still working great.
Mark W - 07/18/2020


- 118741
by:

etrailer is the best in all departments, Always prompt shipping and they will answer any questions you may have. Several departments always let me know what’s going on with a rare drop shipment. Thank you.


Comments
Great product, still working without issue
Keith - 01/17/2021


- 118741
by:
2020 Honda CR-V

Came early. Everything that I ordered was present. The box did come ripped but all was well with the items I purchased. I will recommend etrailer to friends and family.



- 118741
by:

Perfect fit. Well made. The install tool less than one hour and the wiring was perfect.



- 118741
by:

Very good service and I received the order in a reasonable time. The trailer hitch is a very easy to install and the trailer wiring harness also. Thank you and I will definitely be using your company again, 5 stars. Nelson B. Québec, Canada.



- 118741
by:

Received my hitch and wiring harness last week. Over the weekend I installed the harness with no trouble except the ground screw. It was tough to reach but with a trip to Lowes to purchase a wrench I finished. My mechanic installed the hitch today for 100 bucks since I didn't have a lift. Saved 100 by arranging the hitch installation myself. Probably another 100 on the harness.



- 118741
by:

Only installed for most a bike rack, very clean and nice looking, most of all wife is happy.



- 118741
by:

The hitch and all of its components were solid and well painted, and the installation instruction were clear and well written. I am very pleased with this product!



- 118741
by:
2020 Honda CR-V

My son is a mechanic so I had him help me install it. (Maybe a better way to put it is I helped him). He already knew how to rip all the trim off needed to get to the plug and he had the tools that helped. Would have been much harder to do myself.



- 118741
by:

Quick turn around and good customer service. While I haven't used the hitch yet - etrailer has been great to work with. The product was shipped quickly and was easy to install. Looking forward to many years of use


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Show More Reviews

Ask the Experts about this Tekonsha Custom Fit Vehicle Wiring

  • Trailer Hitch Receiver for 2021 Honda CR-V That Works With Hands-Free Liftgate
    There is a trailer hitch receiver that is a fit for your 2021 Honda CR-V and will absolutely allow you to keep the use of your Hands-Free Liftgate feature. The hitch, which fits both the non-Hybrid and Hybrid models of CR-V, is from Draw-Tite: - Draw-Tite Max-Frame Trailer Hitch Receiver # DT79MR I have added a cut out from the linked installation instructions which show that there is a step taken which ensures the use of the Hands-Free function on your CR-V. You will simply re-position...
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  • Correct Wiring Harness for a 2019 Honda CR-V LX FWD
    The correct wiring harness for your 2019 Honda CR-V LX with FWD is the Tekonsha T-One # 118741 which is compatible whether it's a FWD (like what you have) or AWD. This harness plugs into factory wiring inside your rear hatch area. We have actually performed this installation on a 2019 CR-V so you can check out the attached installation video to see exactly how it's done. If you don't already have a trailer hitch then I recommend the etrailer Trailer Hitch # e98848 because it has a...
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  • Will Wiring Harness for 2018 Honda CR-V Drain Car Battery
    The T-One Vehicle Wiring Harness with 4-Pole Flat Trailer Connector # 118741 that fits your 2018 Honda CR-V will not drain your car's battery. It will only pull power when your Honda is actually on so, meaning it will not have any affect on the battery. I have added a link to a video of this connector being installed on an '18 CR-V for you to take a look at as well. For a trailer hitch on your 2018 Honda CR-V I recommend the Draw-Tite Max-Frame Trailer Hitch # 76128 because it is an...
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  • Recommendation to Add 12V Power Socket on 2018 Honda CR-V
    To add a 12V power socket for you to draw 1-2 amps you will need to add a separate wire because you can't tap into your trailer connector # 118741. You can use the Hopkins 12-Volt Power Socket with Power Wire and Fuse Assembly # HM55115 or Roadmaster # RM-9332. Your other option since you will need to run wire anyway is to use an adapter like # ETBC7L which will give you a 7-way connection but only the 4-way and 12V power functions you can tap into. It will come with wiring and circuit...
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  • Recommended Trailer Wiring Harness for 2018 Honda CR-V
    For your 2018 Honda CR-V I recommend the T-One Vehicle Wiring Harness # 118741. This custom harness will plug right into the factory port located on the driver's side interior trim panel in the rear cargo area. It has the highest amp rating available for your vehicle and Tekonsha is well known for making extremely reliable products. This will provide you with a 4-Way connector to connect with and power a trailer's basic signal lights. I have attached an installation video on the 2018...
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  • Accessing the Factory Connector to Install Trailer Wiring on a 2018 Honda CR-V
    Either one is correct. If you try the method shown in the video for # 118741 but have a hard time reaching in there to get to the connector then go with the method shown in the video for # C56370. I have linked both videos for you as well as the instructions for each harness for your 2018 Honda CR-V.
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  • Parts Needed to Install 7-Way Trailer Wiring Harness in 2017 Honda CR-V
    For your 2017 Honda CR-V there are only 4-way harnesses we offer as custom fit options. For that you would want the Tekonsha harness part # 118741 which is a custom fit option. I like to recommend the Tekonsha brand as it tends to be the most reliable. I attached an install video for you to check out as well. 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...
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  • Trouble Activating Liftgate on 2017 Honda CR-V After Installing Wiring Harness and Trailer Hitch
    I spoke with my contact at Tekonsha who said that you shouldn't be experiencing a problem with your liftgate on your 2017 Honda CR-V after installing the Tekonsha T-One # 118741. If you possibly cut or moved some wiring around other than what you needed to for the installation then that could very well be why you are having problems. I was able to see that you also purchased the Draw-Tite Max-Frame Trailer Hitch Receiver # 76128 for your CR-V as well. If the problem is that you are...
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  • Tips for Flexing Interior Panels to Install Trailer Wiring Harness on 2017 Honda CR-V
    Judging by the short sleeves and the time of year the video for the # 118741 was made (appears to be spring time based on the install pic we took of the hitch that I attached), I would say most likely somewhere in the 70 degree range. It may not be super convenient, but if you are in a cold climate you could wait to do the install till you have a warm day, or wait till after you drove the vehicle for a while with the heat on to warm up the interior panels so they'll flex a bit more.
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  • Where to Connect 4-Flat Wiring Harness on 2018 Honda CR-V
    If you have installed a hitch such as the Draw-Tite # 76128 on your 2018 Honda CR-V and still need to connect a 4-way harness, there is a simple plug-in option. The T-One Vehicle Wiring Harness # 118741 is a confirmed fit and will plug into the connection point in your rear cargo area. I have added a photo from the installation instructions showing the connection point and linked both the instructions and an install video for you to take a look at. Since you are going to be towing, I...
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  • Are Additional Coolers Needed to Tow With 2019 Honda CR-V
    Those are good questions and your 2019 Honda CR-V does have coolers already and additional coolers are not needed with the CVT transmission in this vehicle. I took a look at the owner's manual as well and it does address the issue by saying that towing a trailer will require you to change your transmission fluid every 25,000 miles, which is more often than if you were not towing. Since you do plan on towing, make sure you get the best equipment for your journey, and for your 2019 Honda...
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  • Attaching the 4-Way Trailer Connector to the Trailer Hitch Receiver on a 2017 Honda CR-V
    As you can see in the attached photo, the 4-flat trailer connector on the T-One Vehicle Wiring Harness with 4-Pole Flat Trailer Connector part # 118741 can be ran under the bumper and too the mounting bracket on the Draw-Tite Max-Frame Trailer Hitch Receiver part # 76128 which you can also see in the attached photo. However we have not had a chance to test this method on our own therefore could not provide instructions how to do so. Generally speaking there will be several rubber grommets...
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  • Recommended Trailer Wiring for 2019 Honda CR-V
    For your 2019 Honda CR-V the Tekonsha T-One Vehicle Wiring Harness # 118741 will work perfectly. This is a custom "plug-and-play" harness that features a high amp capacity for the lights and comes with Tekonsha's great reputation for manufacturing durable and reliable electrical products. To install the harness you simply need to plug it into a factory port located behind the driver's side trim panel (see attached image) and insert the included fuse beneath the driver's-side dash. This...
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  • Curt Wiring Harness Compatibility with FWD and AWD 2018 Honda CR-V Models
    The Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector # C56370 is a confirmed fit for both the FWD and the AWD 2017-2018 model years of the Honda CR-V.
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  • Help Finding Connector for Installing Trailer Wiring in 2019 Honda CR-V
    It's possible you may have found the wrong harness to plug in the Tekonsha trailer wiring harness part # 118741 into. We had the chance to install this kit in a 2019 CR-V which I attached a link to the install video for that might be helpful for you to check out. Sometimes the correct harness can be harder to find as it can be buried behind other harnesses. If you check out install video around the 5 minute mark you'll see exactly where to find the connector behind the rear interior panels.
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  • Trailer Hitch and Wiring Recommendation for 2017 Honda CR-V
    For your 2017 Honda CR-V the hitch I would recommend is the Draw Tite # 76128 which is a confirmed Class III fit for your vehicle. Unlike the Curt hitch for your vehicle it does not require a stabilizer strap when carrying a non-supported load like a bike rack so it's the better choice. For trailer wiring you'd then want the part # 118741 which is a confirmed fit as well. Since you wanted to do some towing you might be interested in etrailer ball mount kit # 989900. It comes with...
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  • How to Remove Panels on 2017 Honda CR-V to Install Trailer Wiring Harness
    To install the trailer wiring harness # 118741 on a 2017 Honda CR-V there is a decent amount of paneling that needs to be removed or at least released. You'll need to take out the spare tire cover and then the scuff panel. Then there is a tab behind the rear seat release handle. Once you have the tab out you'll release the clips along the edge of the driver's side wall panel. I've linked a video that shows the install for you.
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  • Wiring Diagram and Installation Details for Tekonsha T-One Vehicle Wiring Harness on 2017 Honda CR-V
    I have attached an image of the correct wiring installation details on the Tekonsha T-One Vehicle Wiring Harness # 118741 for a 2017 Honda CR-V. This will be installed to provide a 4-way flat trailer connector at the back of the CR-V to power the trailer's signal lights. Since the installation of this harness just involves a connector being plugged in, a wiring diagram is not available or required for proper installation.
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  • Does Trailer Wiring for 2017 Honda CRV EX Require Running Wire Up to Vehicle Battery
    The trailer wiring harness for your 2017 Honda CR-V part # 118741 will not require you to run wires up to the vehicle battery. The power source the harness needs is present at the rear of the vehicle already as it's basically pre-wired from the factory for adding trailer wiring.
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  • Parts Needed to Install Brake Controller in 2018 Honda CR-V
    Your 2018 Honda CR-V actually does not come with brake controller pre-wiring and you'd have to hardwire the brake controller. You will need to start with a 4-way (if you do not have one). For that you would want the # 118741. From there you would need to convert the 4-way to a 7-way so that you can install the brake controller. For that you will want the Brake Controller Install Kit and 7-Way Adapter part # ETBC7. I attached installation instructions and an install video for this...
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  • Parts Needed to Install 7-Way Trailer Wiring Connector on 2017 Honda CR-V
    You will need to start with a 4-way (if you do not have one). For that you would want the # 118741. 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...
  • Is 6-Pin Connector There to Install Wiring Harness 118741 on 2018 Honda CR-V EX-L
    The 6-pin connector is definitely in your 2018 Honda CR-V, though sometimes, finding them can be a real pain. The best advice I can give you is just to continue looking, though it's difficult to orient exactly where you should keep looking based on your photos (I believe they are oriented to the side). I believe if you keep looking up above, and follow the wire loom you will find it. The connector may in fact be completely covered in tape and not obvious to the naked eye, but it will definitely...
    view full answer...
    Image 1 for Image 2 for
  • 2017 Honda CR-V LX Trailer Wiring Recommendation
    That we are aware of all models of the 2017 Honda CR-V have the factory wiring install harness in the rear cargo area. There SHOULD be a harness at the rear of your vehicle but you'd just have to do a bit more digging to find it. It's pretty common for the harnesses to settle into harder to reach areas from being on the road for a while. That said you could hardwire in a harness like the part # 119250KIT if there truly isn't a connector on your vehicle. It would be just a matter of...
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  • Recommended Trailer Hitch Receiver For 2020 Honda CR-V Hybrid
    Yes the Curt Trailer Hitch Receiver - Custom Fit - Class III - 2" # C13397 is confirmed to fit your 2020 Honda CR-V Hybrid. There are plenty of customer reviews for this product, none of which claim that there are any fitment issues with the hybrid model. This hitch receiver offers a simple bolt-on installation process, requiring no welding. I have attached a detailed installation video for you. If you will be towing a trailer at some point then you will need a trailer wiring kit. I...
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  • Where is Trailer Wiring Connector on 2017 Honda CR-V for Installing Trailer Wiring
    I attached an install video for the T-One trailer wiring harness part # 118741 that you referenced on a 2017 Honda CR-V just like yours for you to check out. At the 2:30 mark of the video you'll see our installer digging pretty deep into the driver side panel of the vehicle to find the connector you are looking for.
    view full answer...
    Image 1 for
  • 4-Way Trailer Wiring Harness Recommendation for 2018 Honda CR-V
    The Tekonsha harness part # 118741 that you referenced is a fit for the AWD and FWD versions of the 2018 Honda CR-V. I attached a link to an install video for this kit on a 2018 CR-V for you to check out as well.
    view full answer...
  • Trailer Wiring Harness for 2019 Honda CR-V
    The correct and best trailer wiring we offer for your 2019 Honda CR-V is the Tekonsha kit part # 118741 which installs easily by plugging into a port at the rear of your vehicle and also has the most reliable converter box as well. If you were looking for a hitch too the etrailer # e98848 is a really great choice as well!
    view full answer...

Do you have a question about this Custom Fit Vehicle Wiring?




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Info for this part was:

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Expert Research:
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