A/c control switch will not light up and the a/c compressor will not clutch in. on 2002 Toyota Echo

car has new compressor, drier, expansion valve and cabin fan. Renew cabin fan because it nwould not run new fan will not run to.

Asked by for the 2002 Toyota Echo
Check relays and fuses. Possible blower motor resistor as well. Think the blower (fan) has to work before ac will. Or have it checked!
Have power to blower switch, no power to blower or a/c switch.