Adding a Trailer Brake Controller With OEM Switch to my Tacoma: Looking for Options or Solutions

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Jul 3, 2025
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Tacoma
Lunar 2021 TRD Pro
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Looking at installing a trailer brake controller for my truck as it seems like I might be doing lots of towing pretty soon. Currently looking at getting an OEM one.

Wondering if anyone has added in an OEM one or gotten a wire harness that goes from an aftermarket unit to the oem switch?

My plan is to keep my dash looking pretty original and that is why I wanted to use that OEM switch if at all possible.

Only difficult part right now would be finding the wiring cause I’ve searched everywhere but couldn’t find anything and don’t think I'm about to run all new wires , If in the end i can't seem to get one, then I might just settle for a wireless one that plugs right into the seven pin and uses an app.
 

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