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my blower only works on high-- it started by occasionally working normal on 2006 Chevrolet Colorado

after a while it would stop until I returned it to speed 4. Is this the resistor failing, if so where is it located?

Asked by for the 2006 Chevrolet Colorado
poss resistor but ck with dealer 1st to make sure there are no recalls or cust assistance programs.
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poss resistor but ck with dealer 1st to make sure there are no recalls or cust assistance programs.
Location-next to blower motor.
it sounds like your resistor check to see if there is any corrosion on your connection