In Jan. or Feb. 07 we bought Hampton Bay dusk to dawn outdoor lights. They worked great for a few months, the bulbs burned out, put new bulbs in and now they stay on all the time. Go figure. Went to H.D. and explained the problem. They told me to contact Hampton Bay for parts. If they don't help me, H.D. told me to come back and will make it right. I'll get right on it tomorrow.