When the pressure in your a c rises or lowers too much this switch turns off the compressor to protect it and the rest of the system from damage.
Gm ac compressor high pressure switch.
Acdelco 15 5378 gm original equipment air conditioning orifice tube 6 63.
This switch is crucial for proper a c performance.
Item 220.
Acdelco 15 5687 gm original equipment air conditioning compressor high pressure cut off switch 20 93.
Signs of a failing a c pressure switch include your a c being unable.
Item 220 420 gm harrison compressor switch black.
One that would fit the back of the compressor and one that would fit the supply line on the system.
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Acdelco 15 5687 gm original equipment air conditioning compressor high pressure cut off switch 4 4 out of 5 stars 43.
This protects the compressor from damage.
Item 220 422 low pressure switch compressor mounted.
Acdelco gm original equipment a c clutch cycle switches are component sensors that monitor the evaporator temperature and pressure.
Global parts 1711334 a c compressor cut off switch 4 4.
The switch turns the compressor clutch field coil off and on.
On the older compressors some did have a switch in the backside sometimes 2.
The low pressure switch is designed to shut the compressor down if the pressure becomes to low or the evaporator freezes.
According to the gm schematic from the dealer for a 98 this should be the high pressure switch.
The chevrolet truck uses two air conditioning pressure switches.
The high pressure switch is designed to shut down the compressor if the line pressure gets dangerously high.
Acdelco 15 2962 gm original equipment air conditioning clutch cycling switch 4 7 out of 5 stars 123.
An automotive air conditioner s pressure switch cycles the vehicle s compressor on and off when the refrigerant pressure falls below an acceptable level.
When the pressure and temperature are too low the compressor is switched off.
This will usually happen when a condenser fan fails.
Checker has two different hi pressure switches.
Most of the time it was just a high pressure switch which is a closed switch unless the pressure in the system goes above a set point where it opens the circuit and causes the compressor s clutch to disengage.
The a c pressure switch is mounted on both the high and low sides of your a c.
This line is also switched with the ac button on the dash.
Only leaking air conditioning systems have low refrigerant levels.
A high and low pressure switch.