it has 4 wires green,yellow,white,red. the t stat is a honeywell RTH230B-5-2-Day-Programmable

yes, it a honeywell

i have a colman central heat&air unit and i want to install a programable thermostat but the wires are not labled the theromstat at came with the tralier is a 025-38747-000 4-Wire i need to know if any one knows what color goes with what lable. thanks for any help you can give me.