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Q: Why does Fuse blows when heater is turned on?
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Where is heater fuse 1989 acclaim?

There is no heater fuse, the heater works by having hot coolant run threw a heater core that's inside the dash, then when you turn the heat on, the blower motor blows threw the heater core, sending the hot air inside the vehicle.


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No fuse for those symptoms. Could be low on coolant. Bad thermostat. Plugged heater core (my guess). Temp blend door problems.


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If the heater is blowing the fuse when the blower is turned on, I would suspect the blower motor is defective or locked up. If the A/C is blowing a fuse, suspect a bad clutch, or locked up compressor.


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