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Q: heater blower won't shut off even when the van is not running on 2001 Chevrolet Astro

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the heater blower won't shut off even when the van is not running. I have to unplug it under the hood so the battery does not run down
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Pull fuse #12 under left side of dash for HTR-A/C, if blower stops running check why fuse 12 is hot with key off (it should be hot only with key in run position). If blower is still running pull FRT HVAC 30A fuse in underhood fuse block. If blower stops then replace stuck blower resistor located under right side of dash. Hope this helps! if not give us a call.
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