Changed over to 3 step from 2 step! Questions : What module # for launch ( tranny brake) rev limiiter and burnout? How do you folks.test it before going to track? ........ Called MSD ! #1 Tranny Brake starting line launch #2 Rev Limiter #3 Burnout (biue wire) Have to check with low RPM chip! Wish they would address this in instructions! I am one of those people who has to have a picture!