SpicyMchaggis said:just make sure you hook it back up right..you'll fry most everything..please i cannot stress this enough.
If you hook it up wrong and it kills the fuses, you may have more issues to worry about than just "messing up" the PCM depending on how much voltage actually transferred. =)mazdaspeedpower said:If you hook it back up wrong you might mess up the ecu, but that might not even do it