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
Updating to ecobee, no Y wire in HVAC : r/ecobee
electrical - Why is Thermostat Y wire connected to C terminal on furnace? - Home Improvement Stack Exchange
How do you install a thermostat if you don't have Y or C wires? - Home Improvement Stack Exchange
Why are the Yellow and White wires in Y terminal? : r/Nest
Thermostat C-Wire: How it Works on Your Thermostat | Honeywell Home
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
Installing the Thermostat Wire Adapter – Customer Support
How do you install a thermostat if you don't have Y or C wires? - Home Improvement Stack Exchange
How to install a thermostat if you don't have Y or C wires - Quora
Is my thermostat compatible with nest? There are two Y wires. One seems to be capped with another wire not connected to anything. : r/Nest
wiring question: jumper cable between Y and W : r/ecobee
Blue wire in Y: Thermostat wired right? - Home Improvement Stack Exchange
Wyze thermostat. No Y on control board - Home - Wyze Forum
What All Those Letters Mean on Your Thermostat's Wiring | iFixit News
electrical - Why is Thermostat Y wire connected to C terminal on furnace? - Home Improvement Stack Exchange
Y wire help please : r/thermostats
The RiteTemp Support Site - Y, Rc, or Rh, G, W, C* Wiring Steps
What Is The "Y" Wire On A Thermostat | Storables
smart home - Y wire on thermostat connected to C on furnace - Home Improvement Stack Exchange
Help me with install, No C Wire on thermostat, no Y wire on control board : r/ecobee
Help - Nest Thermostat install - W/B, Y/O, G, RC, ... - Google Nest Community
Thermostat wiring for Y wire - Home - Wyze Forum
