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Do you mean the defroster fan? If so yes if it blows the main engine circuit breaker in the fuse block.
The 1996 Chevy Cavalier rear window defroster fuse can be found in the fuse box. The rear window defroster fuse will be in the second column, fifth from the top.
You can get the fuse for 1998 rear window defroster at the NAPA, Auto Zone.
check the fuse if the fuse is good check the relay fuse.
It is probably the sound of the defroster fan.
Check to see if you are getting power to fan motor turn on A/C or defroster If you are getting power to fan - then fan is defective If not check fuse Could be temperature sending unit in radiator
See if power is getting to fan motor--connect a test light and turn on A/C or defroster--if getting power to motor. Then motor is bad. If not getting power to fan-- Check fuse Check relay See if power is getting to fan motor--connect a test light and turn on A/C or defroster--if getting power to motor. Then motor is bad. If not getting power to fan-- Check fuse Check relay
The 2004 Oldsmobile Alero fuse box can be found in the engine compartment. The location of the rear defroster fuse will be listed on the inside cover of the fuse box.
Check to see if you are getting power to fan motor with A/C or defroster on - if power fan motor bad If no power check fuse, relay and sensor
On the 98 Beetle, the rear defroster fuse is located under the dash. It is found in the number eight slot.
under the dash
under the hood on my 2003, it's #33 for fuse and #9 for relay