Wiring 3rd brake light

[Greatisland]

Hey guys,
I picked up an alucab for my 2024 Tacoma off-road premium.
I wired in the 3rd brake light to the left hand side tail light. It operates great when I brake, but when I signal left the rear brake light also flashes. From the looks of it I need to tap a wire before the turn signal signal goes out. Does anyone know a better location to tap into?
I looked at using the trailer wiring but ran into the same issue.
Thanks!
Pfa
@greatislandadventures on instagram if you wanna see the interior build out as it progresses and some offroading content soon!

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[geonerdist]

Camper looks great! Get one of these guys.

https://www.etrailer.com/Accessories-and-Parts/Pacer-Performance/PP20-702.html

 

[mafleone89]

Did this by chance work?

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