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heat blower will not turn off using the selector or with the key off or removed. This happened 2 weeks ago and it killed my battery. Recharged it and problem went away. Today it happened again. while trying to find a solution I removed the 30amp front HVAC fuse from under the hood in the electrical center. This finally shut it off. when i reinstall the fuse it starts blowing again even with the key in my pocket. what could it be???? Blower motor Relay?????


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contributions: 1928
Images: 37
Location: Oregon
it could be the blower resistor. they resistor used to be a series of cois use to reduce the fan speed. Now it's a small module. The module can short to power and keep the blower connected to the "power all the time" battery connection.


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I did some troubleshooting and thats what i found. If i diconect the 30amp fuse under the hood the blower will now shut off it just will not work on five or high. I guess setings 1 thru 4 are fuse in the dash board 25 amp fuse and the 5 or high setting is the 30 amp under hood. this will work for me until I have the $$ and the time to replace the resistor module. Thanx


   
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