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    jr8712002's Avatar
    jr8712002 Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Jun 4, 2007, 04:26 PM
    All wired out!
    I have a Goodman Furnace and central air but can not figure out wiring to the thermostat.


    furnace = red green white blue

    ac= black white

    thermostat= r rc g w y


    Which wires go were?
    Stratmando's Avatar
    Stratmando Posts: 11,188, Reputation: 508
    Uber Member
    		  
    #2

    Jun 4, 2007, 05:35 PM
    If it was me, I would try:

    Furnace Red Green White Blue
    To to to to
    Thermostat R G W Y

    There is a good AC guy hope will save me before you blow it up(Just kidding,worse you could probably do is try to heat and cool at the same time.
    Red is common
    Green is fan
    White is heat
    I believe yellow or blue used for cool.
    To get cold, Red touches Green for fan to run and yellow? For compressor contactor.
    PopBear's Avatar
    PopBear Posts: 5, Reputation: 1
    New Member
    		  
    #3

    Jun 8, 2007, 10:23 PM
    If it is GMP or GMT series the blue wire is your common
    Attach
    R to R
    G to G
    Y to Y
    W to W
    Condenser Wire one side to Y
    THE OTHER TO BLUE
    NorthernHeat's Avatar
    NorthernHeat Posts: 1,455, Reputation: 132
    Ultra Member
    		  
    #4

    Jun 10, 2007, 09:18 AM
    https://www.askmehelpdesk.com/heatin...tml#post268211
    Stratmando's Avatar
    Stratmando Posts: 11,188, Reputation: 508
    Uber Member
    		  
    #5

    Jun 10, 2007, 09:40 AM
    Excellent info from NorthernHeat, Pop bear may be right.
    To be sure, Pull cover off, and verify connections, wire colors. Schematic may be inside panel.
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