The gardeners pulled the wiring to the thremostat from the A/C unit at my grandfathers home, and I am trying to find a wiring scematic for the thermostat wiring. It's an old Nordyne stand alone A/C unit, with a basic 4-wire thermostat. Model# ASCC036BBCB, Serial # IK0986-00812.

R=RED
W=WHITE
G=GREEN
Y=YELLOW

This is the standard color code used for many years. Hope this helps