well, the bulbs were working before, and none of them looked burned out when I checked em, but it's just that they all stopped working at once.

For a while they'd work every once in a while and now not at all. I just replaced the bulb in the rear window and it's not working either. I'm gonna do that brake light switch test and then if that doesn't work I'll replace all the bulbs, then... I dunno. dealership haha