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Wiring problem. You also may have a car that shares fuses with other parts, that blow the fuse when you turn the part on. IE: Dodge vans have a problem that when you turn on the rear wiper you blow the fuse that also is connected to the air bag warning light. The air bag light goes off when a new fuse is installed. Check the web for blogs on your type of vehicle and then search for that area of concern.
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RafaThe GC has a fairly common problem with the wiring connector melting.
Blend door failure is also a common problem with Jeep Grand Cherokees, from 1998-2004 in particular. While the dealership claims that the only way to solve this is to remove the dash and replace the plenum box, there are DIY kits available out there.
Your blower motor could be bad or it could be covered in so much dust that the motor is straining to turn the fan (picture a ceiling fan with the blades covered in dust on the air cut Sid which affects the ability of the fan to blow air and makes the motor work harder.)
If the fuse blows immediately upon turning your fan on, there may be a short circuit in one of the wires to the blower motor or blower motor resistor (which controls the speed of the blower motor or you could be using a fuse with too little amperage.
Consult your owners manual or the diagram in the fuse panel/box cover for the correct amperage for each fuse.
If the fuse's amps are too small it will blow fast because it can't handle the amps going through it.
If the fuse's amps are too high, the fuse won't blow when it's supposed to so it will cause damage in your electrical system.
Fuses are meant to blow when something goes wrong in your electrical system to keep the rest of the system safe until you solve the reason why the fuse blew.
Hope that helps!
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What will cause your ac and heater to stop working it do not even blow?
Blown fuse, bad heater blower motor control switch, bad blower motor, or a bad blower motor resistor pack.
Your heater blower does not work on your 2000 cougar There is power to the blower motor Any ideas?
fuse or relay most likely
Is there a fuse that controls the heat blower inside the car if not how do you fix the heat if it is not blowing?
Yes there is a fuse, it's under the hood near the battery. There should be a cover that says fuses. I had the same problem but, it wasn't the fuse. the connection to the blower motor was a little dirty. I cleaned it with a toothbrush and it works fine. Your blower motor should be under your glove box . it loooks like a round black thing that has a couple wires coming out(I know that sounds funny but, the best way to describe). Turn you blower on and jiggle the wire it should work.
What else would stop a blower motor from changing speed 1234speed dont work?
If you only have high speed I would blame the blower speed resister. If you have no speeds and the fuse is good, I would blame the blower motor or the switch.
Where is the ac blower motor on a 1994 Q45?
The a/c blower motor is located under the passenger side dash, removal of the glove box and lower panel is needed, not too complicated to get to.
