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banner06
May 10, 2007, 05:09 PM
I have an old Trane and have rd,white,blue,and green wiring. Every time I switch the heat comes on and no ac.
hvacservicetech_07
May 10, 2007, 09:06 PM
Then heat comes on when you switch the thermostat to cool?
banner06
May 11, 2007, 02:16 PM
Yes, I have the wires in the correct setting and now I have nothing