Question about 2006 Chevrolet Cobalt

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Blower doesnt work on all speeds - 2006 Chevrolet Cobalt

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Try tapping the bottom of the blower motor with the handle end of a screwdriver with the key in the run position and the blower speed set to high. If the blower starts working replace it. If it doesn't than you will need to check fuses, switches, and resistors.

Here's a link to a how to tip that I posted on how to check these.

Blower motor does not work

Posted on Nov 11, 2010

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Step 1: Check fuse
Step 2: Change relay (usually can swap with another relay in the fuse box and try it)
Step 3: Check connection on switch
Step 4: Replace Switch
Step 5: Check connection on blower motor
Step 6: Replace blower motor

Chevrolet has a bad reputation for the connection and/or switch malfunction for the blower motor. I changed all 6 items in my truck in a 3 month span as all 6 appeared one right after the other.
Good luck.

Posted on Nov 11, 2010

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