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My other ride is a C-130J
Join Date: Jul 2004
Location: Southern California
Posts: 3,310
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If my memory serves me there is at least a third wire referred to as the “C” wire.
If there are only two wires attached to the old thermostat you will need to connect at least one additional wire to the thermostat and furnace.
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1975 911 Targa S 3.0 2000 911 Carrera Cab 2005 Cayenne Titanium Metallic
2022 Mercedes-Benz E450 Coupé 2020 Mercedes-Benz E350 2006 ACG Hummer
Previously Owned Art from Stuttgart
2000 Boxster -1983 911 SC Cab -1984 944 N/A
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