The most common cause for a fuse to blow is a short in the circuit before the load(s). Because the circuit is a complex one, the problem can only be diagnosed in person.
The vehicle should be serviced by someone with experience in automotive electronics or by a professional mechanic.
An air conditioner blows out heat
no but it may depend on the conditioner
Portable air conditioner will not blow cold air. What to do?
An air conditioner evaporator is the part of the a/c system that the heat in your car transfers to causing cool air to blow from your vents. The blower is in front of it and it sucks air from the inside of your car and across the evaporator then blows out your vents.
Not likely
Yes, you can blow up the back of bank trucks and steal the money from them.
They are the exhaust pipes for trucks. All hauling trucks have them. Pickups don't always have and if they do, it's so they can blow coal (smoke) and they are for show.
It's out of freon or refrigerant.
about 5 minutes
Max
diagram for 1999 chev subarban air conditioner
Hmmm, because it should?