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    Lefty21's Avatar
    Lefty21 Posts: 5, Reputation: 1
    New Member
     
    #1

    Apr 28, 2012, 02:25 PM
    Thermostat
    Red,white and blue go to furnace and blue, white go to a/c. Is there away to test which wires control heat
    T-Top's Avatar
    T-Top Posts: 1,871, Reputation: 100
    Ultra Member
     
    #2

    Apr 28, 2012, 09:05 PM
    Yes there is away to test it but we will need to know what color wires go to each post on the thermostat.

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