Can't figure this 3 wire system out or find anything in postal about it Thermostat wiring nest colors wire 3rd honeywell set model labels connect here yellow where goodman system 3rd gen nest thermostat. opened my sister and this yellow wire isn’t
Thermostat Wiring Colors Code | HVAC Control Wire Details
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Can't figure this 3 wire system out or find anything in postal about it
3rd gen nest thermostat. Opened my sister and this yellow wire isn’t
Thermostat Wiring Colors Code | HVAC Control Wire Details