Blower motor or blower motor transistor?
12-09-2008, 11:06 AM
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Blower motor or blower motor transistor?
My hvac stopped blowing air today. AC, vent, heater nothing blows. Is there any way for me to check if it's the blower motor or the blower motor resistor?
Thanks In Advance,
RS
Thanks In Advance,
RS
Last edited by rsf150; 12-09-2008 at 06:47 PM. Reason: wrong spelling
12-09-2008, 05:50 PM
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12-09-2008, 06:28 PM
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If the blower motor resistor fails, then the system will default to defrost, but will still blow at the various fan speeds. If you are not getting any output from the fan then it sounds like a power supply issue.
12-09-2008, 08:46 PM
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OK, while looking for the resistor I disconnected and reconnected the harness that goes to the blower motor (I still don't know why I did that). Anyway, I just used my truck and everything worked!
I hope it was just a faulty connection.
RS
I hope it was just a faulty connection.RS
03-25-2011, 05:52 PM
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No.... If your blower motor resistor fails it defaults to "HI" not defrost. The blower motor resistor has nothing to do with the direction of airflow to the vents, only the fan speed.