Question about 2000 Chevrolet Blazer

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Chevrolet blazer 2000 4.3 automatic trans

My heater fan doesn't work at position "1", only from position "2" to "4", and other trouble dosn't work the heater, only works A/C.

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Check the relay. Should be pins on it for high and low speeds.

Posted on Aug 15, 2008

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Please rate this solution.

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