A few weeks ago I was swapping out my halogen bulbs for my fog lamps for yellow bulbs. When I turned on my car, the fog lights wouldn't turn on. I switched back to the halogen bulbs and my lights still wouldn't turn on. They were running before I switched out the bulbs. Also, the switch I press to turn on and off my fogs illuminates as if they were turned on. Did I short something out? Could it be the bulbs?