![New thermostat wiring help bought new Honeywell t10 and want to wire it properly the old thermostat had jump from w2 to y2 and jumper from r and rc and a blue New thermostat wiring help bought new Honeywell t10 and want to wire it properly the old thermostat had jump from w2 to y2 and jumper from r and rc and a blue](https://i.redd.it/0p3x4p6dapa81.jpg)
New thermostat wiring help bought new Honeywell t10 and want to wire it properly the old thermostat had jump from w2 to y2 and jumper from r and rc and a blue
![furnace - Connected C-Wire (previously unused) to thermostat, but still no power? - Home Improvement Stack Exchange furnace - Connected C-Wire (previously unused) to thermostat, but still no power? - Home Improvement Stack Exchange](https://i.stack.imgur.com/zx9IU.jpg)
furnace - Connected C-Wire (previously unused) to thermostat, but still no power? - Home Improvement Stack Exchange
![Understanding and Wiring Heat Pump Thermostats with AUX & Em. Heat! Terminals, Colors, Functions! - YouTube Understanding and Wiring Heat Pump Thermostats with AUX & Em. Heat! Terminals, Colors, Functions! - YouTube](https://i.ytimg.com/vi/qiAOvJhq8_s/maxresdefault.jpg)
Understanding and Wiring Heat Pump Thermostats with AUX & Em. Heat! Terminals, Colors, Functions! - YouTube
![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 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](https://i.imgur.com/qa9UXyW.jpg)
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
![My current thermostat does not a C wire connected to it but the incoming bunch has an extra blue wire that is not connected in both ends. Is it ok if I My current thermostat does not a C wire connected to it but the incoming bunch has an extra blue wire that is not connected in both ends. Is it ok if I](https://i.redd.it/16kai2jed9471.jpg)