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Trailer Wiring for 2025 Hyundai Tucson With etrailer Hitch  

Updated 09/05/2025 | Published 08/30/2025

Question:

which wiring harness is confirmed to work with e38KR?

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Expert Reply:

Hey Paul! Any 4-way/7-way will work with the etrailer # e38KR since the wiring isn't hitch dependent. At this time, there are no custom fit wiring harnesses available for the 2025 Tucson so the only option for a 4-way is the # C59236. If you want to add a 7-way you will also need the # ETBC7. If you need a ball mount to complete your setup check out the etrailer Adjustable 2-Ball Mount # e66PR.

Is the wiring for a trailer or do you have an accessory with lights?

expert reply by:
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Robin H
etrailer Hitch on 2024 Tucson
etrailer Hitch on 2024 Tucson
(click to enlarge)
Paul D. profile picture

Paul D.

9/4/2025

It's for a tow behind utility trailer.

Robin H. profile picture
Etrailer Expert

Robin H.

9/5/2025

@PaulD then I'm sure the 4-way # C59236 is all you really need for wiring. If it is something you own and tow frequently you can also measure the hitch and coupler height to find the rise/drop and get a more basic ball mount like # e67DR to match the height of the trailer.

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