Recommended 7-Way Connector for a 2024 Kia EV9

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Question:

What wire harness will give me a 7 pin connector so I can tow a trailer with brakes for my EV9 24 GT?

asked by: Ryan D

0

Expert Reply:

Hey Ryan. To add a 7-way connector to your 2024 Kia EV9 you're going to need two separate harnesses because they don't make just one that will work. The first one is a 4-way connector. If you already have one just skip over this next part.

For a 4-way connector, I recommend the Curt T-Connector Vehicle Wiring Harness item # C66QV. This custom-fit T-connector plugs into your Kia's wiring harness behind the driver's-side and passenger's-side tail lights.

The second harness you will need is the Universal Installation Kit for Trailer Brake Controller item # ETBC7. The kit includes a pre-wired 7- and 4-way trailer connector that mounts easily at the rear of your Kia with an included bracket. This kit is designed for use on a vehicle with an existing 4-way flat trailer connector and plugs directly into it.

You will then connect the blue wire to the blue wire on the brake controller, connect the black wire to the positive post on your Kia's battery, the white wire to a suitable ground, and the yellow wire to the accessory circuit. This will provide you with the ability to control your trailer's brakes and also provide you with a 12v power wire for you trailer's battery.

Do you have a brake controller? If not, I recommend the Redarc Tow-Pro Liberty Brake Controller w/ Universal Wiring Harness item # RED52VR. This is a proportional brake controller that automatically adjusts your trailer's braking based on the deceleration of your Kia. The Tow-Pro has a unique installation method where the main unit is concealed behind your dash and the only part visible is the control knob.

What kind of trailer are you pulling?

You can add this information and any other questions you have where it says Reply to Jerred H and I'll be happy to answer them.

expert reply by: Jerred H

0

Jerred H.

9/29/2025

Hey Ryan, did the Curt T-Connector and the Universal Installation Kit work out for your Kia EV9? I'm curious to know if you found a good solution for towing your trailer with brakes, as it could help others in a similar situation.

David

12/4/2025

Is the brake controller required or optional to obtain the full functionality of the 7 pin connector? And your proposed solution results in a fully functional 4 pin and 7 pin connector, right?

Jerred H.

12/4/2025

@David A brake controller is required for full functionality on the item # ETBC7. However, if your trailer doesn't have brakes you don't need a brake controller. Everything else will work though. Installing the Curt item # C66QV and the Universal Installation Kit item # ETBC7 will add a fully functional 4-way and 7-way connector to a 2024 - 2027 Kia EV9.

Answer 1

I have included an image below which shows the portion of the underbody panel which needs to be trimmed out for the Curt Trailer Hitch Receiver #C36RV to fit your 2024 Kia EV9 Light Long Range. This is found in the installation instructions linked…

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Answer 2

Hey Eddy, this is a great question but for the 2023 Chevrolet Traverse with the factory tow package, there is factory brake-controller wiring behind the driver's-side kick panel, but there is not a plug-and-play connector/adapter available for…

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Answer 3

Hi Gary, You do not have to replace the lower trim panel with a brand new panel on your 2024 Kia EV9 when installing the Curt Trailer Hitch Receiver #C36RV. You do need to temporarily remove the panel and trim it so the receiver of the #C36RV has a…

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Answer 4

Hey Roberto, yes the Curt Hitch part #C36RV is a confirmed fit for your 2024 Kia EV9 long range. Were you planning on doing some towing?

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Answer 5

I do have some options for you but there isn't a plug under the dash for a trailer brake controller on a 2023 Chevrolet Traverse. Therefore, if you want to use a traditional dash mounted trailer brake controller you must hardwire which requires…

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Answer 6

Hey Dan, for a brake controller for your 2026 Toyota RAV4 Hybrid Woodland I would recommend the Redarc Tow Pro Liberty part #RED52VR as it puts only a small knob on the dash of your vehicle and is a great performing proportional brake controller…

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Answer 7

I recommend using the Draw-Tite Max-Frame Trailer Hitch Receiver #76184 on your 2023 Chevrolet Traverse. This receiver is designed to install behind your rear fascia and is accessible by the removable panel on the rear fascia. It has a welded tab…

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Answer 8

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Answer 9

Hey Don, thanks for reaching out! I checked out the owner's manual for your 2025 Traverse and according to page 258 it says "if equipped" and there are blunt cut wires that need to be spliced into. This means you'll need to hardwire…

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Answer 10

Thanks for the photo and good information! The Curt Spectrum Trailer Brake Controller #C51170 doesn't come with a universal pigtail but that can be acquired with part #C51515. Then all you need to do is match the following wires from the pigtail…

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Answer 11

Hi Joann, We actually sell all the parts you're looking for to tow with your 2024 Chevy Blazer EV, and I'll go ahead and list out the exact parts you need for this: - Curt Trailer Hitch Receiver #C63ZV - Curt T-Connector Vehicle Wiring…

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Answer 12

I recommend using the Draw-Tite Max-Frame Trailer Hitch Receiver #76184 for your 2023 Chevrolet Traverse. This will place your receiver behind the factory receiver panel giving you a clean factory appearance when you are not towing. For the wiring I…

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Recommended 7-Way Connector for a 2024 Kia EV9

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