grandprixgtdriver

hello, i am not sure how extensive u knowledge could be on related with Heater/Ac Control, i have the same as shown in ur picture 3 Dial Knobs and 2 push Buttons one for rear defrost and one for the A/C my question is that, my first Dial knob works on only #5 and the third Dial knob work at only Face Vent, rear defrost only sometimes work only and onlywhen my first dial know is at OFF, i wonder if its my RESISTOR or the HEATER/AC control it self, please let me know thanx and sorry one more thing is SUPER CHARGER is rebuilt able, or do i have to replace the whole supercharger it has started to give knocking sounds and i believe its only the bearings and the pulley that goes on to the supercharger. ur help would be appreciated thanx again