![Honeywell Home C-Wire Adapter for Honeywell home Wi-Fi Thermostats and RedLINK® 8000 Series thermostats THP9045A1098 - Amazon.com Honeywell Home C-Wire Adapter for Honeywell home Wi-Fi Thermostats and RedLINK® 8000 Series thermostats THP9045A1098 - Amazon.com](https://m.media-amazon.com/images/I/71AjSMTbLJL.jpg)
Honeywell Home C-Wire Adapter for Honeywell home Wi-Fi Thermostats and RedLINK® 8000 Series thermostats THP9045A1098 - Amazon.com
![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)
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
![Substitute Extra Wire for C-Wire -- Install the Honeywell Wi-Fi smart thermostat with this video. - YouTube Substitute Extra Wire for C-Wire -- Install the Honeywell Wi-Fi smart thermostat with this video. - YouTube](https://i.ytimg.com/vi/O1ah91Gmnyk/maxresdefault.jpg)
Substitute Extra Wire for C-Wire -- Install the Honeywell Wi-Fi smart thermostat with this video. - YouTube
![Substitute G-Wire for C-Wire -- Install the Honeywell Wi-Fi smart thermostat with this video. - YouTube Substitute G-Wire for C-Wire -- Install the Honeywell Wi-Fi smart thermostat with this video. - YouTube](https://i.ytimg.com/vi/TT4vbK1K1wo/mqdefault.jpg)