I recently purchased a 2015 mustang gt base. The car has switchback sequential turn signals and aftermarket grille lights. everything worked fine until about 2 days ago where I noticed at night the switchback lights and grille lights would turn off randomly at the same time. I switch the light knob from on to auto and auto to on and it’ll either flicker or stay on for a couple seconds, MAYBE a minute and turn off. Any tips on what I should do? Turn singlas work perfectly fine and have no...

Switchback turn signals and grille lights turn off