AERMOTOR Car Relay Tester 12-24V Product Introduction: AERMOTOR Relay Tester can quickly detect whether your relay is working properly. It is easy to use and suitable for automotive relays on the market. It supports 12V and 24V relay testing During testing, the equipment needs to be connected to a 12V-24V car battery. When testing, turn the switch to 4PIN or 5PIN according to the relay's pin position. Press the test button and the tester will light up the green LED and flash, indicating that the relay is working. If the test button is pressed and the red LED is on, it indicates that the relay is not w orking. Operating instructions: During the test, clamp the red clip onto the positive pole of the battery, while the black clip onto the negative pole of the battery When testing a 12V relay, it needs to be connected to a 12V battery, and when testing a 24V relay, it needs to be connected to a 24V battery. After connecting to the power supply, the device turns on a red light, which allows for the insertion of a relay Test the 4-pin relay to set the switch to 4PIN, and test the 5-pin relay to set the switch to 5PIN After connecting the relay and adjusting the foot switch, you can press the button During the 6 test, if the foot position is incorrect or the relay is damaged, the red LED will light up during the test. When the foot position is set correctly, the tester will light up the green LED and flas