Cooling Fans Fuses & Relays are in the Lower Underhood Fuse Block, see page 5-99 of your "Owner's Manual", under Section 5: Service and Appearance Care - Electrical System - Fuses and Circuit Breakers.....
Automotive Fuses.....
Cooling Fans Fuses and Relays are in the Underhood Fuse Block #2. See page 6-67 of your "Owner's Manual for details...
impala cranking but not starting; replaced fuses, relays, fuel pump and igntion coils.
check fuses , daytime and lights on use diff fuses.
Check fuses in power distribtution block under hood
Owners manual has location of all fuses. Interior fuses are usually on the drivers side of the dash between the dash and door.
under the hood on left side under cover marked fuses
In all probability it is the cooling fan switch. Before you replace it you need to check the fuses. The cooling fan switch is on the intake manifold.
open your driver door and looking in it will be on your left. it says fuses on the panel... open that and on the inside of the panel it tells you what fuse is what.
Fuses or the power window relays.
check your fuses i believe they are on both sides of the dash and under the hood. if it is an aftermarket radio check to see if you are getting accessory power
If you have no blower speeds check the fuses, check the switch and finally check the blower motor.