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fixing a wrecked Mazda 3 I checked the fan motor by straight wiring and fan runs backward. Is this normal when straight wiring it or is the fan bad ?

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  • What fan? Radiator? Interior? It's unlikely a "bad" fan would actually operate backwards. – mike65535 Jan 13 '19 at 14:13
  • DC motors on cars will run either direction depending on polarity of connections. – Moab Jan 13 '19 at 19:49

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