Yes u can but it has to be a certain wired controller
Yes. Unless they figure out a way to block rapid fire mods any rapid fire mid will work on mw3.
Well i just bout my not to long ago...how long did it take you....but anyway on the 3 prongs you might of had bridged them, or you used to much glue......i read that people use nail polish to take it right off....but i dont know the nail polish might short circuit your chip but i hope i helped..how long did it take you