My friend hit a pot hole while driving and this thing fell down from under the dash and he doesn't know what it is and couldn't see where to plug it in. Not sure how hard he looked but heres a picutre of it.
It says U.S. PATS. and has a list of numbers, here they are.
4160132
4193060
4257036
4286257
4183278
4232287
4284857
4387788
http://i50.photobucket.com/albums/f302/SevereSarz/2011-08-07_22-36-01_398.jpg