Is it this one.........
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Coleman Mach to Honeywell Digital T-stat....ones that use AA Batteries
Coleman Wiring
Red = +12vdc
Blue = -12vdc
Green = Fan High
Gray = Fan Low
White = Furnace
Yellow= Compressor
Coleman to Honeywell
Red = +12vdc -----'RC/RH'
Blue = -12vdc NOT USED/Tape off
*Green = Fan High ----'G'
*Gray = Fan Low ------'G'
White = Furnace .....'W'
Yellow= Compressor ,,,,'Y'
*Green and Gray are used for the A/C Unit fan speed
If you do not install/modify your thermostat with a mini switch to have/use both Hi-Lo fan speeds just connect GREEN (Fan High) to 'G' terminal
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Coleman Mach to Hunter Digital T-stat......ones that use AA Batteries
HERE is Link to InstructionsMany folks have replaced their analog t-stats to digital t-stats.
I did 8 yrs ago in our 5vr
Great mod! And easy to do.