 and we'll check where the power comes right out of that as it's headed towards the the blower and see if we have anything there if we don't then we're going to go to the input side of that and there'll be a power wire coming into that we'll check between that power wire and ground make sure we have power there and we just keep moving backwards that's a what they call a pulse width modulated system with that auto automated temp control so you'll have a power and ground going to that blower module under the dash