It sound's like a bad fan switch look behind the switch unplug it and see if if it's melted.I have seen a few that were melted.
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Saturday, October 14th, 2017 AT 11:38 AM
(Merged)
LEGITIMATE007
MECHANIC
5,121 POSTS
Well there is not really a simple solution to the problem however, its not major either. Sounds like you need a blower motor resistor. This is what controls the speeds.