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Pressure switch would not affect blower, only the compressor.
Blower wiring connections, speed resistor if manual controls, need to be checked for bad connections. Giving the blower motor a smack when it's not starting up is a quick check of it as the motor brushes in it wear and make erratic contact and operation.
Blower wiring connections, speed resistor if manual controls, need to be checked for bad connections. Giving the blower motor a smack when it's not starting up is a quick check of it as the motor brushes in it wear and make erratic contact and operation.
