heater/ac fan run all the time. removed inside fues didn't turm off. under hood large fuse did. fan runs fine all speeds. plug on fan and resistor look fine. cant remove resistor need to know what screw bit it takes looks like theres two screws hold it in. is the problem or does anty one know what I need to do. anty help with this? unlees I unplug the fan the battery run down if not driven car has 92000 miles on it. hope someone can help hate to pay shop rates to fix it.