little door with little switch? 1990 deville

below the ashtray about 4-5 inches there is a door about 2x2 inches i open it and there is a switch in there. it looks like a factory job. what do you think it is?.............thanks...............jimmy.....:ba nghead:

Jimmy I don't know if it is a swtich? if it is what I think you are talking about it is the aldl connector for the computer. black door that pops open?