Blue "C" wire is connected to "Y" on old thermostat. New thermostat has separate "C" hookup. Where does the blue wire go - "Y" or "C"? : r/Nest
Thermostat Wire Color Codes You Need to Know | AireServ
Wyze Thermostat Wiring Issue - Home - Wyze Forum
Shared W and Y wires : r/ecobee
The RiteTemp Support Site - Y, Rc, or Rh, G, W, C* Wiring Steps
Nest thermostat (y and w jumper) : r/Nest
Thermostat Wiring Explained! - YouTube
Old furnace with no "C" terminal for wifi thermostat - Home Improvement Stack Exchange
Why are the Yellow and White wires in Y terminal? : r/Nest
wiring question: jumper cable between Y and W : r/ecobee
Help - No Y Wire at furnace control board? : r/ecobee
Thermostat Wiring. 2 wires connecting to Y terminal - Home Improvement Stack Exchange
Help - Nest Thermostat install - W/B, Y/O, G, RC, ... - Google Nest Community
Thermostat Wire Color Codes You Need to Know | AireServ
Blue wire in Y: Thermostat wired right? - Home Improvement Stack Exchange
Thermostat - 2 wires on Y, furnace terminal has C, thermostat does not, etc - Home - Wyze Forum
electrical - Why is Thermostat Y wire connected to C terminal on furnace? - Home Improvement Stack Exchange
What All Those Letters Mean on Your Thermostat's Wiring | iFixit News
New thermostat wiring question, Jumper between Y and W - DoItYourself.com Community Forums
smart home - Y wire on thermostat connected to C on furnace - Home Improvement Stack Exchange
Re: C wire is orange. Y wire is black? - Google Nest Community
Help me with install, No C Wire on thermostat, no Y wire on control board : r/ecobee
wiring - Can the wire from the y terminal on thermostat be connected to the c terminal on heater board as pictures show? - Home Improvement Stack Exchange
The RiteTemp Support Site - Y, O, B, G, R, C* Wiring Steps
Help with Thermostat wiring - Home - Wyze Forum
How to install a thermostat if you don't have Y or C wires - Quora
