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maybe because the heat is to high for the fuse to bear. You probably have it on all the time
If it blows as soon as you turn it on, it is a dead short, pinched wire, bad blower motor. If it takes a while for it to blow, it is probably the blower motor going bad causing a strain and drawing more current than intended.
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Why is your heater fuse keep blowing out in your car?
Heater blower motor is defective and locked up, or possible short in the wiring.
Why does a car air conditioning keep blowing fuses?
for fuse to keep blowing, there is a short in the eletrical system somewhere. check the a/c switch and the a/c clutch
Fuse keep's blowing don't know what the fuse is for but when it blows the car wont start?
Sounds like it could be the ECM fuse. You need to have someone check it for a short.
Why would the fuse to the radio and digital dash keep burning out daily on a 1993 Lincoln Town Car?
i replaced the head unit and the fuse stoped blowing.
Why is your car heater blowing out cold air when it is on?
Low coolant and a clogged heater core are possibilities.
Heater blowing cold but car not overheating?
faulty control valve on heater or air in the lines
My car is blowing out cold air not hot when the heater is on.?
You need to change your thermostat in the car.
Would the fuse in the heater relay cause the heater to leak into the car?
No...
Why is your car blowing steam out of your vents?
The heater core is leaking coolant.
Why the fuses keep blowing on a 1988 Pontiac LeMans The fuse keeps blowing after a minute or so after turning on the car?
sounds like an electrical short. go to an auto electric shop for a proper diagnosis.
The heathing in your car is blowing cold all the time?
it is your heater core most likey
Can you replace a 20 amp fuse in your car with a 25 amp due to the fuse keep blowing?
Yes you can but you are setting yourself up for a big problem. There is a reason the 20 amp fuse is blowing. By installing a bigger fuse it allows the current that is causing the 20 amp fuse to blow to stay in for a longer period of time. This can cause excessive heating and melting of the wires on the circuit that is blowing on a 20 amp fuse. Trace the wire and find the fault. Always use the manufacturer's recommended fuse sizing for your own protection.
