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Hello friends, in this video we will see how to test and troubleshoot various relays in a car. First, the relay's operation is explained, then 4-pin relays are tested with a multimeter and battery power. Then, 5-pin relays are fully tested and troubleshooted. In each section, in addition to explaining the test on the relay, the method of finding and locating the relays in the electrical diagram is also part of this video. 4-pin relays (starter relay, gas pump relay, horn relay) and 5-pin relays (engine control relay, wiper relay) To watch our educational videos on Instagram, please follow our page on Instagram: / acharrr10 The following videos may also be useful to you: Hyundai and Kia map reading tutorial • Complete Hyundai and Kia map reading tutorial ... Testing and troubleshooting the ABS brake unit and motor Explanation of ABS internal board defects Explanation of common ABS faults • Testing and troubleshooting the brake unit and motor ... Complete troubleshooting of coils and coil wiring in Hyundai and Kia cars • Complete troubleshooting of coils and coil wiring in... Complete troubleshooting of Hyundai and Kia throttle valves with multimeter and diagnostic device • Complete troubleshooting of Hyundai and Kia throttle valves ... Complete troubleshooting of crankshaft sensor Wiring and sensor test with multimeter and oscilloscope • Complete troubleshooting of crankshaft sensor Wire test... #Hyundai #Kia #Electrical_education #Relay_troubleshooting #Relay #Starter-relay #Gasoline-pump-relay #Wiper-relay