Toyota Repair: A/C Not cycling, compressor clutch, drier

Question
I have replaced the compressor with clutch, drier, expansion vave, all the fuses,and relays on my 95 toyota carolla.I can't get to compressor clutch to cycle on and off.Does the A/C amplifer have anything to do with the clutch cycling? Also where does the compressor receive its voltage from? Thank you for any help. Johnny

Answer
The a/c clutch get voltage from the 15A A/C fuse through the clutch relay, the amplifier grounds the other side of the relay to close the relay contact to turn the compressor on,so yes, the problem could be the amplifier if the fuse and the relay are good. Are you able to get the compressor going by supplying voltage to it directly?