How do I troubleshoot a blower motor that isn't running? Is it the switch, a fuse, or the motor?
Jan 21, 2011 at 1:49 PM
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Verify all information, follow manufacturer service procedures, use proper tools and safety equipment,
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JACOBANDNICKOLAS
CAR REPAIR CONTRIBUTOR
110,190 POSTS
I always start at the motor. If there is power to it, the motor is most likely the problem. If there is no power, I work my way back through the resister, relay, switch, fuse... to see where the power is lost.