Do you mean the defroster fan? If so yes if it blows the main engine circuit breaker in the fuse block.
1.6
Only when the AC is on or if the engine is overheating.
small vacuum hose in engine compartment is cracked
what engine?
no cause a 1994 may have a bigger engine
Leaking injectors.
In the center of the dash at the defroster vent.
Several things can cause this from ignition to trans. Take it to a garage and have it checked out.
Yes
The washer fluid reservoir for a 1994 Geo Prizm is located in the engine compartment on the passenger side. In 1994, it was located right behind the headlamp on the passenger side.
catalytic converter
if there is a lot of snow or ice on these vents located at the bottom of the wind shield under the wipers that could be the problem if you live in a cold environment.