Question about 2002 Chevrolet TrailBlazer

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Fan was working,,,,suddenly quit,,,has done this before , and come back on,,,will not come back on this time,,,,

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Blower motor resister ( one of more speed(s) do not work) or blower relay( all speeds do not work. Rockauto.com for parts.

my guess would be the blower relay since it does not come on.

lastly it could be the blower motor itself. check for power to the blower motor plug with a simple 12V circuit tester; probe type.

Posted on Sep 01, 2010

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Posted on Jan 02, 2017

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