Google Nest Community

what model thermostat are you putting in? Just zooming in on you pic (which is a good one) i'm pretty sure it will work your blue wire is probably the 24v if you have a meter you could check but the nest thermostat should walk you right through the p...

I hear you that is exactly why i don't use mine!!!

can you take a picture of your wiring and post it?typically Rc is used when your system wants cooling turned on.