Can a Brake Controller Be Installed In a Semi-Truck
Updated 10/27/2025 | Published 03/14/2025
Question:
I am installing a brake controller in a semi truck. What do I do with the brake switch wire? The semi doesnt have a brake switch on the pedal..
asked by: David J
0
Expert Reply:
Hey David, thanks for stopping in! So as long as your truck uses 12V then you can use any brake controller like # 90195 and tap into your stop light circuit, which your truck should be equipped with.
If there is anything else you need help with, please feel free to drop a comment and let me know!
expert reply by:
Bryce D
0
Product Page this Question was Asked From
etrailer Rubber Hitch Cover for 2" Trailer Hitches - Qty 1
- Hitch Covers
- Misc Covers
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- Fits 2 Inch Hitch
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Lazer S.
10/27/2025
Hey David, how did things go with tapping into the stop light circuit for your semi truck’s brake controller? Your update could make it easier for the next person setting up a similar system.