C wire needed

[jgugliotti]

my exiting therostate shows white wire, red to RC (jumper to RH), Green wire to G and Green wire to Y. My Google Nest Has a Y,C,W,G,R OB.  I don't know if I need a C , so do i leave out?  Seems I can connect the Red wire to R on the google nest

[Patrick_Caezza]

@jgugliotti 

Post a picture of your current thermostat's wiring here