Check the fuse-should be in fuse panel under hood. If it's good, there a strong possibility of a bad blower motor regulator-This is attached the blower motor/fan itself. Even if fuse is blown, replace it and see if it blows again immediately when trying to operate fan. If you find you need to replace regulator it is good practice to also replace the fan itself as well.
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Sounds like the resistor block that gives you the various fan speeds has had it. This is a replacement only part and in most cars can be found close to the blower fan up into the air box.Consult your dealer for exact location and cost.It's not a hard job to do,just a biy hard on the back.Good Luck
hello,good day,for your brake light,check your fuse,then your brake light switch ,for your ac problem,maybe your evaporator sensor ,amount of freon in the system,or your system is overheated,try to check your auxiliary fan or condenser fan for working,ty
If the fuse is blown for the blower then there is a short, that is not an answer, go to the blower and check to see that the blower motor connector has 12 volts to it when the blower is set to high speed on control, if it does then u need a new blower motor, if it doesn't then the control switch is defective or the blower motor speed control resistor is defective.