I believe my thermostat was mis wired last winter, last summer everything worked properly. The thermostat was replaced this winter and the furnace (gas) worked fine. Now when I turn on the A/C nothing comes on. There are 5 wires hooked to the electronic t-stat, I noticed there is a wire on both the R & RH connections, which have a resister between them. The fuse blows on the board on the air handler. ANY IDEAS?

What color wires are on the 2 r terminals?