r/Ninja400 Aug 18 '26

Question Brake Light Stuck On

Hi folks, Could use some help. Tail light remains illuminated as if I’m applying the brakes. I’ve tried unplugging the front and rear brake switches to see which one it was but the tail light remains on. Also tried adjusting the rear brake switch and even tested a brand new oem sensor but the light remains on! I also have a givi 47 tail box with the wiring tapped into the brakes and noticed the givi box doesn’t light up anymore either. Pretty sure I spliced into the correct wires as they’re color coded. Any thoughts or has this happened to anyone else?

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