Question about Chevrolet Suburban 1500

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02 suburban heat/ac fan

Lost speeds 1,2 and 5 speeds 3 and 4 work ok

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Well the fan still works so it should be ok, sounds like you might have just a switch that shorted out. even though they go bad you might have some functionality i would replace that first

Posted on Jun 29, 2008

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Burnt relay or coil, listen for-and follow the clicking when you change fan speeds it'll lead you to your relays. Also look for burnt connectors.

Posted on Jun 29, 2008

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