My thremostat has a red blue puple which to is for clod air

Depends on how it was wired to your AC. You need to match wire to wire. Look on the inside of the air handler for a wiring diagram. A brand and model of the AC and thermostat would help.

Depends on how it was wired to your AC. You need to match wire to wire. Look on the inside of the air handler for a wiring diagram. A brand and model of the AC and thermostat would help.
Whrilpool thremostat #1185753

This is for an appliance window AC unit. Are you sure of the number? Is this a window unit?