yes, however, if the ac does not work then you will be unable to blow cold air on a hot steamy windshield to defog it.
If the switch is properly bypassed, then yes.
The fastest way to defrost a windshield is to turn the defrost vent on without heat or simply open the windows. Another option is to warm the inside of the car by turning the heater on.
Yes
can a concrete hardner be used after dying concrete without affecting the color
kidney
poplations in the food web that could be changed without affecting other populations explain
In a parallel circuit an electrical load may be disconnected without affecting other loads.
if you use hot water to defrost something that is frozen,it will simply crack and break due to the extreme change in tempreture,cold water is better as it allows the frozen item time to unfreeze or defrost without changing the temperature to drastically.
Inhibin
No.
You can't.
The default for heaters is to go to defrost if there is a problem in the system. You will have to get under the dash to find the problem. Probably best to take it in as they can get tricky without diagrams depending on the system