The electrical switch is designed to give feedback to the engine management system. The ECM controls the A/C system on modern vehicles. In earlier vehicles, they are used to directly turn the compressor off to avoid compressor failure.

Global Parts HVAC Relay

Always make sure electrical components are free of debris and moisture before installing.

Always make sure electrical components are free of debri and moisture before installing.

Also known as an A/C wiring harness, wiring assembly, connector, or pigtail. Always make sure electrical components are free of debri and moisture before installing.

hvac relay

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