Thread: Furnace runs high, AC does not
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Old 10-08-2008, 09:32 PM
SublimeMasterJW SublimeMasterJW is offline
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You should have a fan relay on the unit mounted on top of the fan center. The low speed is red and high is black . Common is usually purple or white. I would venture to say the wires are reversed on that fan relay.A dang Ruud ain't that complicated.
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