thermostat wiring

[thinhtluu]

1st pic is of the thermostat wiring. second pic is of the furnace connection. There's also another yellow wire wrap behind the thermostat wiring in the first pic not in used. Is this wire correctly? could any one help me. Thank you in advance.yone help me out?

[HVAC]

Put the blue wire at furnace on C & use un-used yellow wire to Y on furnace. So wiring at nest will go as follows 
red to R or Rc or Rh
yellow to Y or Y1

green to G

White to W

blue to C

Good luck. 

[thinhtluu]

Just to be clear.

1. Disconnect the blue wire from “Y” and plug into “C”. What do I do with the existing white wire connected to the “Y” leave it in or take it out? If taking it out where do I plug it or leave it disconnected?

2. What do I do with the red wire plug in “C” leave it in or take it out when I plug the blue wire in?

thank you for your help

[HVAC · Accepted solution]

At your furnace Disconnect blue wire from Y & put it to C along with the existing red wire 

Leave the white wire connect to Y & put the not used yellow wire with it. 
at the nest put blue wire to C & yellow wire to Y / Y1 good luck 

[thinhtluu]

Did exactly what you say and everything works great. Thank you

[zoeuvre]

Hi folks,

@thinhtluu, awesome! Great to hear that suggested steps work on your device. If you have questions or concerns in the future, feel free to start a new thread, and we'll be happy to help.
 

I appreciate your help, @HVAC. 

Best,

Zoe