The refrigerator side has 2 lights, one at the top by the water filter, and a dual socket light behind the top drawer. The dual light socket stopped working. There appears to be no damage to the socket. new bulbs didnt work. The switch on the door works fine, the top light goes on and off. I looked under the refrigerator to see if there was a fuse somewhere, but didnt find one. The wiring all looks perfect to the socket. Any ideas ? Thanks