Hi I have a BB4, today I striped out the center concole and found this, I have no idea what it is and havent played with ( ok maybe a little ) does any body know what it does?? [img][%20http://s1337.photobucket.com/user/big-damo/media/DSC_0195_zps035bb395.jpg.html%20][/url][/img] http://s1337.photobucket.com/user/big-d ... 8.jpg.html
Looks like a potentiometer. Certainly adjustable, so might be vtec controller or could be an aftermarket windscreen wiper speed control or something like that.
EDIT. Try switching stuff on to see what makes the led light up.