Honeywell thermostat replacement.

How to change a Honeywell thermostat and install wiring on a new Trane - Honeywell home thermostat. It's easy to replace a thermostat yourself. The blue wire typically goes into the "C" terminal. If no "C", the wire could be attached to a "B" terminal. But read the installation instruction first. If you decide to follow this video, please do it at your own risk.