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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.
The 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?
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check the blower fuse if the fuse is good the blower motor is bad or else you have short
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check the hvac fuse first if that is ok check the thermistatic control switch make sure you have power going to the blower motor if there is power the blower motor is bad
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Blower motor located at the passenger side under the dash. Probably the blower motor but you need to check the blower motor resistor and the plug to the resistor. A common cause is the plug tends to melt & short out.
2003 Toyota Echo Ac stoped blowing air where is blower located?
If the AC stopped blowing air on your 2003 Toyota Echo, the blower fuse could be to blame. If the fuse is fine, it might be the blower resistor that needs to be replaced.
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The 2003 Ford Expedition front air conditioner blower fuse can be found in the fuse box. The front air conditioner blower fuse will be the number six fuse.
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Check the fuse and relay to start. If these are ok, then check the blower switch, the resister, then the blower motor itself.
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It is either the fuse or relay. also check the heater/ ac control switch.
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The ac clutch starter fuse 30a in 93 dodge Dakota keeps blowing when us blower fan then truck wont start?
Disconnect the electrical connection at the blower fan motor, put a new fuse back in and see if the truck starts and runs without blowing the fuse. If so replace the blower fan motor. If the fuse still blows, disconnect the ac clutch wire from the ac compressor and try again.
