I am replacing my old thermostat believe its (Rodgers?) replacing with a new honeywell where do all the wires good too. Believe I know where most go but the old thermo has a wire that is connected to a for the new one thermo doesn't have a 4. I need some help thanks

Here (http://www.hvacmechanic.com/tstatwiring.htm) is a really good table of thermostat connections.

Hope this helps,
WallyH