hey whats up, im not on this site alot so please forgive me if this question has been answered already. today i was changing the bulbs on my HVAC controls and ashtray light; after i replaced the blown bulbs and turned on my lights, they dont turn on. when i dont turn on my parking/headlights, the instrument panel stays lighted; however, when i turn on the parking/headlights that turns off, my hvac lights dont turn on, and my right taillight is out. i press the brakes and all the brake lamps are fine. the fuses are not blown, so now i dont know what to replace or where to look to fix my problem. what should i do? any help is appreiciated. thanks in advance!!!