working on removing the evaporator core and the big ugly black box that covers it.. my question is has anyone ever done this? if so, what all did you remove, im trying to keep a blower motor for heat so what all is needed to do for this, my ac didnt work anyway and i dont ever use it, so what all do i need to do to maintain my heat but remove a/c. everything is out by the way, just looking for ideas on how to keep blower motor and whatnot for my heat..