ok what do we hook up to for a diagnostics check with our cars, i was at the dyno last night and the guy couldnt find it under the hood so he looked under the front dash and found the obd-II but nothing came through for him he tried telling me in 94 the hook up was under the hood and in 95 they switched to the obd-II conection so he said my car was a 95 but the vin says its a 94, there was also an old hypertech chip in it and the sticker on it was for a 95 gt aode.... im just really confused?