![The rh and rc wire were jumped on the original thermostat. Installed the new one and it's not working. Should I jump it? : r/AskElectricians The rh and rc wire were jumped on the original thermostat. Installed the new one and it's not working. Should I jump it? : r/AskElectricians](https://i.redd.it/the-rh-and-rc-wire-were-jumped-on-the-original-thermostat-v0-jf66h49qfgbb1.jpg?width=3000&format=pjpg&auto=webp&s=c84bc320a1452ec0139b5d470abf1f0c4fccc455)
The rh and rc wire were jumped on the original thermostat. Installed the new one and it's not working. Should I jump it? : r/AskElectricians
![Replacing my Honeywell thermostat for Amazon thermostat. R and RC jumper. I'm clear about W,Y,G and C.. but Im not sure about R and RC.. Do I have to shoose both?.. or Replacing my Honeywell thermostat for Amazon thermostat. R and RC jumper. I'm clear about W,Y,G and C.. but Im not sure about R and RC.. Do I have to shoose both?.. or](https://i.redd.it/0u7uznamj2f81.png)
Replacing my Honeywell thermostat for Amazon thermostat. R and RC jumper. I'm clear about W,Y,G and C.. but Im not sure about R and RC.. Do I have to shoose both?.. or
![Advice on how to wire a 4 wire RGWY wifi thermostat to an old hvac with no c wire? - Home Improvement Stack Exchange Advice on how to wire a 4 wire RGWY wifi thermostat to an old hvac with no c wire? - Home Improvement Stack Exchange](https://i.stack.imgur.com/j5dG1.jpg)
Advice on how to wire a 4 wire RGWY wifi thermostat to an old hvac with no c wire? - Home Improvement Stack Exchange
![What to do about this RH to RC wire? I didn't see anything in the manual for this situation. Ecobee 3 lite : r/ecobee What to do about this RH to RC wire? I didn't see anything in the manual for this situation. Ecobee 3 lite : r/ecobee](https://i.redd.it/3958484nkne51.jpg)
What to do about this RH to RC wire? I didn't see anything in the manual for this situation. Ecobee 3 lite : r/ecobee
![I have two separate R wires on my thermostat. What do I need to know about my ecobee thermostat installation? I have two separate R wires on my thermostat. What do I need to know about my ecobee thermostat installation?](https://storage.googleapis.com/article_attachments/Dual%20transformer_Backplate_Standard%20thermostat%20wires.jpg)