S550 hyper flash sound after euro taillight installation

[Habibi5.oh]

Hey guys, so I recently installed euro taillights on my 2023 Mustang GT and when I give a turn signal I’m getting hyper flash sound inside the vehicle. My front turn signals and taillights are functioning normally, neither is hyper flashing. Anyone know a fix for this?

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[Samiamthemustangman]

I changed mine with a different factory one because sometimes the brake light d8dnt work. Mines fast also. I tried resetting it.

 

[Rod G]

my 2016 does the same thing I'm used to it now as long as the signals work I'm good with it

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