Number 4 high heat on my 2009 cobalt isn't working. where should I look?
The blower motor resistor.
I did change the resistor. It did not work. After a little more research I found out that the blower motor resistor does not control position 4. It only controls positions 0-3. Thank you for the help though.
Then you have to check out the switch, see if power that goes in is going out.
Ok will do. Thank you.
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