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72 heater fan speed

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01-27-2015, 09:55 PM	#1
Chucks72Longbed Registered User Join Date: Dec 2014 Location: Sedro Woolley Washington Posts: 86	72 heater fan speed Hello, anyone have any insight as to why my heater fan doesn't run in high speed? I just replaced a bad fan switch and now it runs in low and medium but not high. It's a 72 C20, 402 big block, TH400 with factory AC. Thanks

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