Thermostats Wiring Diagram. These consist of red, white, green, and blue wire. Coleman mach thermostat wiring diagram. White Rodgers thermostat Wiring Diagram 1f80 361 Free Wiring Diagram from ricardolevinsmorales.com See the diagram below for the role of each wire in your. While the red and white wires control power. Basic thermostat wiring diagram explained.