ICM I have no clue what it stands for i have a 1992 vette lt1

would that be located near the front and side of engine 1992 lt1, since Saturday have not had a bit of trouble maybe i had a bad connection and touched it while i was under the hood checking for loose wires and vacuum hoses give me an old 60's or 70's car any day, thanks for your input just once i would like to get off cheap and easy ha ha ha, Larry