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I have no floor heat on my 2000 Chevy Blazer but have heat to the panel and defrost. What could be my problem.
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HVAC Blend Door Actuator - Replaces 89018365, 604-106, 52402588 - Compatible with Chevrolet, Chevy, GMC 1994-2012 - Silverado 1500 and 2500, Tahoe, Sierra - HVAC Blend Control Actuator
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