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Q: my fan motor comes on intermittently
on 2010 Chevrolet Impala

every once in awhile the fan motor starts to blow and when it happens i have to unplug the 30 amp fuse under the hood to make it stop.
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If your vehicle has Automatic Climate control, then you probably have a failed Blower Control Module. They contain a transistor that can short out and keep the fan powered up, even with the key off.
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