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Q: blower motor fan on 1993 Oldsmobile Cutlass Ciera

My blower fan motor stopped working when I changed temperature level from cold to hot. I checke dteh fuse and it is not blown. What is the most probable cause and easiest way to troubleshoot the problem. Relay, resistor, blower motor?
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Do you have an automatic control feature, or is just manual heating and air conditioning?

If it's manual, then you may have a faulty resistor or blower motor. If it's automatic, it could be some other automatic control component.
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