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low on freon
Compressor has seized.
Either the compressor is not on, or is not working. The pressures are supposed to equalize when it kicks off- either when you turn it off or when it cycles and cuts itself off for a minute. If the compressor is on and engaged and you are still reading equal pressures, it has gone out.
Compressor will normally run when in defrost mode.
It is probely the Hi pressure switch.
That is a diode. It reduces voltage surges when the compressor kicks off and on.
Low freon you need to recharge
either a fuse blown low freon pressure or pressure switch bad to test take two wire plug off of evaporator and jump wires see if compressor kicks in
Getting Kicks is the idiom in that sentence. It means " just for fun "
"Kicks" is an old slang term for fun. "Getting your kicks" means going out and doing fun things. There was an old song called "Get Your Kicks on Route 66" which said that particular highway had more fun things to do along it.
Your air conditioning system is most likely has an insufficient amount of refrigerant.The way your air condition system works is by compressing a gas refrigerant into a liquid. That liquid goes into the evaporator coil where it boils off and releases heat. Then the refrigerant passes through an expansion valve ( a tiny hole that only a small amount can pass through at a time) into the low pressure side of the system. Since there is a drop in pressure, the refrigerant begins to absorb heat.Your compressor cycles because it has a low pressure switch on the low pressure side of the system. Your compressor turns on and begins to pump the refrigerant into the high pressure side. Since you have a low amount of refrigerant, the compressor can pump it into the high side much faster than it can pass back to the low side. The compressor pumps the level in the low side down past the cutoff point and the low pressure switch cuts it off. The gas leaks back into the low pressure side through the expansion valve like it should, bringing the pressure back above the cutoff level and the compressor kicks back on.
Run your engine with the A/C on and watch the end of the compressor where the belt is. If it kicks on you will see the it start turning. if it doesn't turn and never starts turning you may need your A/C charged with freon. If the belt smokes you compressor may be locked up.