Had my 97 Mazda Protege’s A/C diagnosed today, since I get no cool air at all. Interestingly, freon is plentiful, compressor and condensor are in great shape, no leaks in any hoses.
However, mechanic says there is a problem with the A/C Amplifier/the thermo-switch is not providing a ground signal. He also said its something between the evaporator core and the blower motor.
If anyone can help, it would be great.
P.S. the blower motor resistor is fine - I can get hot air at several different levels.