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Can You Mix LED and Incandescent Lights On Trailer  

Updated 04/27/2026 | Published 04/24/2026

Question:

Can you mix and match regular lights with LED on the same trailer, or do you have to go all the way LED when replacing the tail lights?

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Expert Reply:

Hey Bill! If you're switching from incandescent to LED lights like the # TN42XR it is best to convert everything to LED. However, it is possible to mix them and have it work. Sometimes it works, sometimes it doesn't, there isn't a particular rhyme or reason behind it it just depends on the trailer.

It looks like you already picked up this light and the passenger side # TN62XR. You can go ahead and install them and then test to see if everything works correctly. If you run into issues with some of the lights not functioning properly, I would go ahead and trade out your marker lights for LED.

What kind of trailer are you working on?

expert reply by:
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Robin H
TecNiq Tail Light
TecNiq Tail Light
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