1.Car Air Pressure Switches Compatible With Pontiac 2002 2003 2004 2005 2006 20072010 Air Conditioning Refrigerant Pressure Switch Sensor 13502759 6E5Z19D594AA 22678731 2.Performance: The air conditioning pressure sensor provides reliable readings and accurately measures the pressure of the air conditioner to ensure normal operation and prevent any potential damage,which are excellent in terms of heat resistance and rust prevention 3.Function: The car air conditioner switch can prevent the refrigeration system from working under the extreme refrigerant pipeline pressure and help control the speed of the engine cooling fan,The airconditioning pressure sensor automatically adjusts the temperature of the airconditioning according to the temperature in the vehicle. This ensures that the temperature inside the car is balanced between performance and power consumption, thus effectively reducing fuel consumption and emissions 4.Installation: The air conditioning pressure sensor is easy to install and can be easily installed without complicated tools. It is simple to use