Question about 2002 Chevrolet TrailBlazer
Highly unlikely it's the switch. It's your resistor on the bottom of the blower motor. Replace this and you will have all speeds again. Very common problem on our TB's.
Posted on Nov 17, 2010
The switch its self is going out need to change
Posted on Oct 03, 2009
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Posted on Jan 02, 2017
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