How does the a / C relay work on a car?
How does the a / C relay work on a car? The electronic control module monitors the status of sensors in your vehicle to determine if the conditions are correct for A/C operation. If these conditions are met, the module will energize the A/C relay coil when the A/C button is pushed. This allows power to flow through the relay to the compressor clutch, turning your A/C on. How do you replace an air conditioner relay? Having the old relay and the vehicle information will enable the parts store to supply you with the correct, new relay. Step 3: Install...