Parts Needed To Add 7-Way To 2023 Kia Sorento With 4-Flat Already Installed
Updated 09/26/2025 | Published 04/30/2025
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Question:
Hello, Im looking to install a brake controller and 7-way round trailer wiring on a 2023 Kia Sorento with tow package. I have previously installed a 4-way flat using the Curt 56466 kit. Im finding it confusing what product would be best to use to get the brake controller and 7-way in this scenario. Thanks for the help.
asked by: Scott M
Expert Reply:
Hello Scott, thanks for reaching out. Since you already have the 4-flat installed, you can use the Universal Installation Kit # ETBC7. This kit contains everything you need to upgrade the 4-flat to a 7-way, including all of the necessary wires for a brake controller. For the brake controller, the Redarc # RED52VR is what I recommend.
Take a look at the install video I linked for you below.
Please let me know if there is anything else I can do to help.
Product Page this Question was Asked From
Tekonsha OEM Replacement Vehicle Wiring Harness w Brake Controller Adapter - 7 Way Trailer Connector
- Custom Fit Vehicle Wiring
- Trailer Hitch Wiring
- Vehicle End Connector
- Converter
- No Tow Package
- 7 Blade
- Plug and Lead
- Plug-In
- Visible
- Tekonsha
more information >
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Jesse M.
9/26/2025
Hey Scott, did the Universal Installation Kit and the Redarc brake controller work out for your Kia Sorento? I'm asking because your experience could help others who are looking to upgrade their towing setup.