Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector
(131 reviews)
Price: $96.16
In Stock
Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector
Item # C89KR
Retail:$122.95
Our Price: $96.16
You Save: 22%
Will this fit?
To see if this custom-fit item will work for you please tell us what vehicle you'll use it with.
In Stock
Thank you! Your comment has been submitted successfully. You should be able to view your question/comment here within a few days.
Error submitting comment. Please try again momentarily.
- All Info
- Reviews (131)
- Q & A (0)
- Photos
CURT Custom Fit Vehicle Wiring - C89KR
- Trailer Hitch Wiring
- 4 Flat
- Converter
- CURT
Quickly and easily install a 4-way trailer connector on your vehicle with this custom harness. T-connector plugs directly into existing wiring - no cutting, splicing or tapping required. Converter is made using SMT to ensure superior performance.
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 - no cutting or splicing of wires
- Locate connection points behind tail lights
- Plug in T-connector
- Includes a tail light converter to ensure that your vehicle's wiring matches that of your trailer
- Constructed using surface-mount technology (SMT) for consistent, reliable performance
- Maximizes trailer light yield and intensity while producing minimal heat
- Ensures superior operation in rough road conditions
- Comes with dust cap for 4-way flat connector
- Limited 1-year warranty
Installation
This custom-fit T-connector plugs into your vehicle's wiring harness.
Once installation is complete, the 4-way connector will be stowed in a secure location.
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.
Tail Light Converter with Surface-Mount Technology
A tail light converter is built into this T-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 the trailer. This converter combines 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.
Curt builds each tail light converter using surface-mount technology (SMT). This method of construction involves soldering electronic components directly to the surface of a printed circuit board. SMT eliminates the need for leads, which are used in older through-hole technology. The result is a circuit board that is smaller yet provides more routing area and that offers superior performance, reliability and durability.
Circuit boards constructed using SMT have been shown to perform better under rough conditions with excessive vibration than those made using the through-hole method. And where would vibration be more likely to occur than in towing applications? Curt converters also produce less heat, leading to increased durability and longer life. In addition, lower levels of resistance ensure better performance, especially for parts that operate at higher frequencies.
Each Curt circuit board is made using high-quality components that are pieced together in the most technologically savvy fashion, leading to greater predictability and reliability in functioning.
56442 CURT T-Connector - Surface Mount Technology - 4 Wire
Compare to Tekonsha TK49FR
Installation Details
This Product Fits The Following Vehicles
- 2007 - 2008 Hyundai Entourage
- 2006 - 2014 Kia Sedona
- 2021 - 2023 Kia Seltos
- 2021 - 2024 Kia Seltos
- 2016 - 2016 Kia Soul
- 2020 - 2024 Kia Soul excluding 1.6L Turbo
- 2010 - 2024 Kia Soul with LED lights
- 2010 - 2024 Kia Soul without LED lights
- 2019 - 2021 Hyundai Tucson
- 2019 - 2021 Hyundai Tucson
- 2019 - 2021 Hyundai Veloster
- 2019 - 2021 Hyundai Veloster excluding N
Customer Satisfaction Score:
95% were satisfied with this product
5% of customers were not satisfied
- Wrong item was ordered
- Product did not meet expectations
- Defective
Customer Reviews
Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector - C89KR
Average Customer Rating: 4.7 out of 5 stars (131 Customer Reviews)
Quickly and easily install a 4-way trailer connector on your vehicle with this custom harness. T-connector plugs directly into existing wiring - no cutting, splicing or tapping required. Converter is made using SMT to ensure superior performance.by: Gregory 05/08/2024
2023 Kia Soul
Installation was very straightforward, the instructions are fantastic.
I did find that mechanics wire was more useful than the included wire for the part where you have to fish wires behind the bumper. Other than that it was as expected with anything you buy from etrailer.com, GREAT!
by: Mike11/11/2022
Okay, this was not a 5 minute install, but you knew that before ordering....right?
I should have gotten my SUV up in the air a little better than I did, but I managed to squeeze in where I needed to. I only lifted the back using ramps.
I followed the instructions and example videos and used a trick or two to get this installed (I used a 4' long fiberglass rod to fish up the cable, anything similar would work - fishing pole parts, wood dowel, etc.).
Like I said, wasn't 5 minutes, but in the end I know it was done right and should last. I bought a $4 tester from Harbor Freight and verified the connector was setup correctly (4 connector trailer wiring tester).
I just tested it again, after several months of no use, it's still perfect.
I installed the hitch receiver myself, and this wiring harness myself, and everything is perfect.
Tip, for the hitch receiver put the provided bolts in part way on one side, then use a tie-down strap to hold up that end, while you bolt up the other side. Then you just bolt up the side the tie-down was holding for you and you're 90% done. Hey...if you're on your own you make it work!
by: Erik10/25/2023
2013 Kia Soul
The wiring harness has not worked properly from the get go. Sometimes the both the running lights are on, sometimes not, sometimes only one light. Brake lights don't always work. Sometimes they do. The left turn signal has never really worked. The right works though.
When the running lights are working they don't turn off even when the car is off (and the car's lights are off). The only way to get them off is to unplug the trailer. So if I leave the trailer hooked up overnight I need to remember to unplug the lights (and remember to plug it back in the next morning).
I wouldn't recommend this harness. It has not been reliable for me. It might seem like a good idea to not have to splice into your car's wiring but it would be simpler and easier to just splice the wires in.
Jenny N.
10/30/2023
There is a lot going on with this harness. I have a few trouble shooting tips that I would like to have you try. The first would be to check the ground and make sure that it is a good ground that it connected to bare metal on the vehicle. The second would be to take out the fuse in the inline fine connection for 30 second to 1 minute and then re-insert it. If the harness is still experiencing problems then it might need to be replaced.
Helpful Links
by: Paul 10/26/2022
Hyundai
This harness worked perfectly for the 2020 Hyundai Tuscon! The instructions provided by etrailer.com made it easy for a novice like myself to have the confidence to install and it turned out great! I'd recommend them to anyone!
Paul
10/27/2023
The wire harness hasnt failed. Its been perfect since it was installed. The install instructions provided by etrailer were perfect for the install. It made the install much easier.
Mike L.
11/13/2023
@Paul We're happy to hear they were helpful!
by: Todd04/09/2024
The wires to the driver side are not long enough. Wish it came with a switch. I had to get my own. Other than that good product.
by: Scott 05/05/2024
Kia Soul
Easy installation. Good fit 2024 Kia So ul.
by: Larry07/15/2023
2019 Hyundai Tucson
The instructions say the installation is EASY, Far from it!!
You must run a heavy power wire from the battery under the hood to the control module under the rear bumper. This is extremely tough as there is literally nothing on the underside of the car to hang a wire from. I finally had to disassemble and remove the panels that cover the fuel and electrical and run the wire under there. Hope it never shorts out on the fuel line!! Next the control box is mounted with double sticky tape and the kit supplied tape was old and dried out and turning to dust. So now I need to go to a hardware store but the whole back end of the car is gutted for this install, and can't be driven. Not Happy in Arizona.
And the instructions are vague, with pictures that mislead.
Jenny N.
7/19/2023
It can be tough to route the power wire from the battery to the harness. We have created a FAQ that can help that you can see in the link below. For the double sided tape what I will do is have our Customer Service team reach out to you. You can use double sided sticky tape to install. You just want to make sure it will not be bouncing around as this will shorten the life of the harness.
Helpful Links
by: Spencer 02/07/2024
Kia Soul
This was a good kit overall. Was pretty tricky for me to find the right place to mount it for my 2020 Kia Soul but overall it worked great in the end.
by: Daniel 05/13/2024
Worked perfect for me. The wiring was a little aggravating, but it works well. I definitely recommend.
by: Ralph 08/16/2023
Kia Soul
I have a 2022 KIA Soul that I recently installed a class one hitch on. I purchased a Curt exact fit hitch for it, along with this wiring harness. It fit perfectly. Due to the electronics within the car, and the LED lights, an additional “brain box” was needed to properly lower my pop up camper lights. The only minor annoyance was having to run a direct wire w fuse holder to my battery from the rear of the vehicle. That took about another hour. Works perfect. And great service from etrailer. Thank you.
by: Jason04/19/2024
Worked perfect on vehicle listed.
by: Michael 07/21/2023
Excellent so far. Install was tricker than expected and I’m not a novice. The video is extremely helpful, but they do the “and then just…” thing at a couple of points where more detail/step by step instructions would be really helpful. Great products though, as usual. I would purchase again, just know that you’ll need to do some of your own thinking and problem solving on the install. If you’re not comfortable doing that, go to a shop.
by: Robert 03/11/2024
Everything is working great !
by: Robert03/16/2023
I still have not installed because the directions tell me to connect a ground to a screw that does not exist. I have to drill a hole in the painted surface behind the taillight to attach a ground.
Katrina B.
3/28/2023
Can you please confirm if you are referring to the tapping screw? If so, we can either send you the missing screw or you can take a trip to the hardware store. If not, please let me know what screw you are talking about.
by: Samuel 09/16/2023
2020 Hyundai Tucson
Fast shipping and easy installation. The etrailer installation videos make the installation simple. I highly recommend etrailer
by: Cam 05/08/2024
Great service. Fast delivery!
by: Gage07/31/2023
This product helps me tow at least twice a week for the majority of the day. Absolutely no complaints. Super easy to install with very straightforward instructions! In fact I love this product so much I’m thinking of installing one on my other vehicle.
by: Shawn 02/29/2024
2024 Kia Seltos
Fit perfect and was easy to install.
by: Galen01/07/2024
works well no problems at all
by: Federico 10/11/2023
2020 Hyundai Tucson
Great product
by: Stephen 09/11/2023
Works well. No problems. I'm happy with it.
by: Brent 07/05/2020
Great product! I received my order within a few days of ordering it. The install was very simple. The longest portion of the install is routing the power wire from the battery to the rear of the vehicle. I used a "fish tape" to help with the task and followed the brake lines for most of the route. The instructions were easy to read and very simple to follow. The connectors fit perfect and within an hour (plenty of water breaks because the of the Oklahoma heat), I had it installed. Works perfect! I would suggest that you have a few more zip ties on hand to helps secure the power wire.
Great job etrailer.com! Perfect company (as usual)!!! Thanks for the quick shipping!
Brent
7/6/2021
Great product. No issues at all and is still working perfect.
by: Guy11/16/2023
2021 Kia Soul
It's all already installed...
by: Daniel E11/16/2022
Have not installed products at this time, but all look very good. I’ve used Curt Towing Products in the past and the quality has always been 1 class. First time I’ve used etrailer, website is user friendly, order arrived a day early, and was packaged well. Price for items ordered was very reasonable. Called customer support when ordered arrived to verify some information, and support was excellent!!!
So far so good!!!….. I would recommend!!!
by: Michael 07/19/2020
Hyundai Tucson
Wiring harness was easy to install per the instructions and every part appears to be high quality. Wire lengths provided were much more than enough for the Tucson it was installed in, with several feet to spare for each wire.
Michael
7/20/2021
Still no issues. Wiring harness continues to function properly.
25
131
Show More Reviews
See what our Experts say about this CURT Custom Fit Vehicle Wiring
- Recommended Trailer Hitch Receiver and 4-Way Flat Wiring Harness For a 2020 Kia Soul LXWe have a wiring harness that will fit both the LED vs non-LED tail lights. It is the Curt Vehicle Wiring Harness # C89KR for your Kia. I recommend the Curt Trailer Hitch item # C67FR as the best receiver option. This is the only receiver we offer that has the larger 2" receiver. The larger receiver gives you more options for ball mounts when towing and is compatible with more hitch mounted accessories.
view full answer... - Recommended Trailer Wiring Harness and Towing Equipment for 2022 Kia Soul LXThe Curt # C89KR does carry over for all models of the 2022 model Kia Soul. If you don't already have a hitch, I'd recommend the Curt # C67FR Class I hitch, which fits all Soul models except for those equipped with the 1.6L turbo engine. For a ball mount, use # C45521 along with the # PC2 hitch pin. For a trailer ball, use # 19256 for a 1-7/8 or # 19258 for a 2 inch ball.
view full answer... - Trailer Wiring Harness That Fits 2021 Kia SeltosThe trailer wiring harness that fits your 2021 Kia Seltos is the Curt T-Connector Vehicle Wiring Harness # C89KR. Along with the wiring harness, the trailer hitch that fits your '21 Seltos is the Curt Trailer Hitch Receiver # C65FR. It sounds like you are planning to do some towing so you will also need the Curt Class II Drawbar # C45521 with Trailer Hitch Receiver Lock # C23517 or Pin and Clip # F-4 to secure it to your hitch. For a hitch ball you will need either 1-7/8" Hitch Ball #...
view full answer... - Wiring Harness for a 2022 Kia SeltosI have a great wiring harness for your 2022 Kia Seltos and it is made by the best wiring company in the business Curt. It is the Curt Wiring Harness with 4-Pole Flat Trailer Connector item # C89KR. 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 and passenger's-side tail lights. The powered ModuLite reduces strain on your Kia's wiring system by providing power directly from your battery. For a...
view full answer... - Recommended Trailer Hitch Receiver For A 2022 Kia Soul LXFor your 2022 Kia Soul LX we have the Curt Trailer Hitch Receiver - Custom Fit - Class I - 1-1/4" # C67FR. This hitch has a simple no-drill, bolt-on installation and is perfect for light-duty towing or hauling your bikes. Its gloss black powder coat finish over protective base coat offers superior rust resistance and is known to last longer than the powder coating of its competitors. If you plan on towing a small trailer then you'll also need a trailer wiring harness. For this I recommend...
view full answer... - Recommend 2 Inch Hitch/Trailer Wiring For A 2023 Kia SeltosI recommend the Draw-Tite Sportframe Trailer Hitch Receiver # DT65GR for your 2023 Kia Seltos.The Draw-Tite hitch has a bolt-on installation and will give you the 2 inch by 2 inch receiver head opening. The trailer hitch has a maximum gross trailer weight up to 2,000 pounds and has a maximum tongue weight up to 300 pounds. For the trailer wiring harness I recommend the Curt T-Connector Wiring Harness # C89KR You will also need the Curt Towing Starter Kit # C45554. If you have any further...
view full answer... - Trailer Wiring Harness Recommendation for 2021 Hyundai Tucson with LED TaillightsThe Curt trailer wiring harness part # C89KR is a fit for your 2021 Hyundai Tucson with LED taillights but I would actually recommend the Tekonsha part # 118812 as it has a more reliable converter box.
view full answer... - Parts Needed For Towing a Utility Trailer With a 2024 Kia Seltos For a Zero Turn MowerI would be happy to help you Floyd. First I recommend the Draw-Tite Receiver # DT65GR for your 2024 Kia Seltos. This is our only 2" receiver which allows you to use a larger selection of ball mounts. The Curt Towing Starter Kit # C45534 is a great place to start if you do not already have any ball mounts. Next you are going to need the Wiring Harness # C89KR so that you can connect the 4-way flat connector from the utility trailer to your Kia. This will operate the lights on the trailer....
view full answer... - Correct Curt Trailer Wiring Harness for a 2023 Kia SeltosI was able to confirm that the Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector part # C89KR is correct for a 2023 Kia Seltos (All Models).
view full answer... - Replacement Ring Terminal for Curt Trailer Wiring Harness 2019 Hyundai TucsonFor a replacement ring terminal that came with the Curt trailer wiring kit part # C89KR that you referenced you'd want the # DW05741-1. For a replacement battery line you'd want the part # 55151.
view full answer... - Trailer Wiring Kit Compatible With 2021 Kia Soul Without LED TaillightsThe Curt Vehicle Wiring Harness with 4-Pole Flat Trailer Connector # C89KR is a confirmed fit for both 2020 and 2021 Kia Soul with or without LED taillights.
view full answer...
- Where Does the Converter Box for Curt Trailer Wiring Harness On a 2020 Kia Seltos InstallThe Curt T-Connector Vehicle Wiring Harness part # C89KR which is a fit for a 2020 Kia Seltos contains a converter box which will mount behind the taillights on the outside of the vehicle. The pigtail with green wire will then be run behind the bumper cover in front of the body panel to the other side.
view full answer... - Recommended Towing Package For A 2022 Kia SeltosWhen it comes to installing a trailer hitch on your 2022 Kia Seltos I recommend The Curt Trailer Hitch Receiver - Custom Fit - Class I - 1-1/4 inch # C65FR this trailer hitch has a bolt-on installation - with no welding required. It has a gloss black powder coat finish that is over a protective base coat that offers superior rust resistance. The Curt hitch is made in The USA, and has a sleeker look. The trailer hitch has a maximum gross trailer weight up to 2,000 pounds, and has a maximum...
view full answer... - Does the Curt Hitch C67FR Fit a 2024 Kia Soul?Yes, it does unless yours is the 1.6L turbo model! The Curt Hitch item # C67FR has been confirmed to fit the 2024 Kia Soul. This hitch is custom fit and bolts to your Kia with included hardware. The Curt item # C67FR is a class I hitch with a 1-1/4" receiver. It has a 2,000 lbs towing capacity and a 200 lbs maximum tongue weight. I have attached a couple of pictures along with an installation video so you can see what this hitch looks like when installed. If you are planning on towing...
view full answer...
- Recommended Hitch for a 2024 Kia Soul To add a hitch to your 2024 Kia Soul, I recommend the Draw-Tite item # DT25GR. This hitch is custom fit and bolts to your Kia with included hardware. It does not fit the 1.6L turbo model. This is a class III hitch with a 2" receiver. It has a 2,000 lbs towing capacity and a 300 lbs maximum tongue weight. I really like the Draw-Tite hitch item # DT25GR because the crosstube mounts behind your rear bumper leaving only the 2" receiver exposed. This not only looks better but it helps with...
view full answer...
- 2021 Kia Seltos Trailer Hitch OptionsMany carriers for mobility scooters/wheelchairs will be rated up to at least 400 if not 500 lbs. in order to meet their intended purpose. Because this carrier and its load are directly on the hitch itself, manufacturers will state the need for a 2" receiver and class III hitch. Some Class II hitches will have the 2" receiver and there are adaptors to change from the 1-1/4" to 2", such as the # HTAD but in doing so this cuts down the tongue weight capacity. The weight load is what is...
view full answer... - 4-Way Trailer Wiring For 2024 Kia SoulThe correct 4-way trailer wiring for your 2024 Kia Soul is the following from Curt: - Curt T-Connector Vehicle Wiring Harness # C89KR
view full answer... - Curt vs. etrailer Trailer Hitch Receiver For 2021 Hyundai TucsonJust a single difference exists between the Curt and etrailer trailer hitches for your 2024 Acura RDX, which is the finish. The etrailer hitch has a matte black finish, while the Curt hitch has a glossy black finish, so you can choose which you prefer. The hitches that fit your '24 Acura RDX are the following part numbers: - Curt Trailer Hitch Receiver # C13240 - etrailer Trailer Hitch Receiver # e54AR The matte black finish does hide those inevitable small scuffs a bit better than the...
view full answer... - Recommended Hitch and Wiring Harness for a 2022 Kia SeltosFirst you will need a Curt Trailer Hitch Receiver item # C65FR to attach to your 2022 Kia Seltos. This class I receiver has a 1-1/4" receiver tube and is capable of supporting up to 200lbs of tongue weight and 2,000lbs trailer capacity. Be sure not to exceed the towing capability of your Seltos given by Kia. A Curt Wiring Harness item # C89KR will allow you to plug into your factory tail light wiring so that you do not need to splice into your tail light harness. You will need to run...
view full answer...
- What Wiring Harness Works with My LED Taillights on My 2021 Hyundai Tucson?If you want to hook up a trailer with LED taillights to your 2022 Hyundai Tucson, I confirmed with Curt that the Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector # C89KR will be compatible with LED-style lights. If you need help with installing the harness, I went ahead and linked a video that walks you through the process. If you need a hitch as well, I recommend the Curt Hitch - 2" # C13240. Not only does the 2-inch receiver allow compatibility with many accessories,...
view full answer... - Does Curt Trailer Hitch Receiver C67FR Fit A 2021 Kia Soul?The Curt Trailer Hitch Receiver # C67FR you were looking at is confirmed to fit your 2021 Kia Soul as long as it does not have the 1.6L Turbo engine. If you have the 1.6L Turbo engine there is currently not a trailer hitch receiver option available. The # C67FR has a 200lb tongue weight rating and a 2000lb trailer weight rating, so as long as the trailer carrying your handicap scooter does not exceed these ratings it will work just fine. To tow your trailer you will need a vehicle wiring...
view full answer... - Can Hitch for 2020 Kia Soul Transport 300 lb Mobility ScooterThe problem with hitch adapters is they cut the capacity of the hitch they are installed in by 50 percent and for a lighter duty vehicle like what you have you just don't have the tongue capacity for that. Especially since you want to carry 300 lbs in the carrier. You'd have to use the Curt hitch # C67FR that fits your 2020 Kia Soul to tow a smaller trailer. For wiring you'd then need the part # C89KR.
view full answer... - What Tools Will I Need To Be Able To Install A Curt Trailer Hitch Receiver On My 2022 Kia Soul? To install the Curt Trailer Hitch Receiver # C67FR on your 2022 Kia Soul you will need the following tools. Ratcheting Wrench # PT84RR 17mm Socket Pry Bar # PT55VR Torque Wrench capable of at least 48ft-lbs # PT87ZR Screwdriver # PT55ZR Safety Glasses # PT89FR Nylon Brush # 814092 Curt does recommend using a Stabilizing Strap # 18050 with any hitch mounted accessory such as a bike rack or cargo carrier. If you are needing a ball mount the Curt Drawbar # C45521 is the one Curt recommends...
view full answer... - Recommended Trailer Hitch and 4-Way Wiring Harness For a 2022 Kia SeltosYes, the Curt Trailer Hitch Receiver # C65FR will fit your 2022 Kia Seltos. This is a class I receiver that is rated for 200lbs of tongue weight and 2,000lbs trailer towing capacity. Be sure to not exceed any limits given from Kia for your Seltos. The receiver has a 1-1/4" opening and Curt suggests their Drawbar # C45521 which has a 2-5/8" rise and length of 7-1/4" for hauling a trailer. You should measure the difference from your trailer that you will be towing to the top of the receiver...
view full answer...
Do you have a question about this Custom Fit Vehicle Wiring?
Info for this part was:
Expert Research:
Mike L
Expert Research:
Jameson C
Edited by:
Lindsey S
Installed by:
Kathleen M
Video Edited:
Chris R
Updated by:
Wilson B
Updated by:
Noah M
Video by:
Jonathan Y
Test Fit:
Conner L
Written by:
Kristina F
At etrailer.com we provide the best information available about the products we sell. We take the quality of our information seriously so that you can get the right part the first time. Let us know if anything is missing or if you have any questions.
Product Experts Available Now!
Call 1-800-940-8924
Mike
11/12/2023
One year out now and the hitch and the wiring harness are rock solid. I will be buying a couple of mountain bikes pretty soon, sure glad Ive got this hitch. I also used it to haul a rented aerator back and forth from a local rental place. All the trailer lights worked perfectly!