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4. Open the HVAC equipment cover
10
5. Find the HVAC control board
This is the main circuit board in your HVAC that
is wired to your thermostat. If you don't have
a control board, find the thermostat wires.
11
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can't figure out Where to connect the white AUX wire from my old thermostat (Honeywell) to the Google Mesh 4th Generation Learning Thermostar