5 pins / 4 pins

The Universal 12V 24V Automotive Relay Tester is a versatile tool designed for passenger vehicles. It features automatic pin position detection and can perform 10 open/close operations for each relay. The tester has a green LED status indication for normal operation and a red LED for faulty relays. With a coil resistance of ≥20Ω, this unit offers relay and component testing capabilities, making it a reliable choice for automotive diagnostic services. The tester also includes a user guide and is designed for easy usage in various testing scenarios. Made in China, this product is a valuable addition to any automotive tool collection.

12V 24V Relay Maintenance Inspection JF107 is a quick go/no-go tester relays that provides with indication of the general health and functioning of the most common Automotive relays. If the relay 5 is inserted, select the socket corresponding to the 5 pins, press the button down; if the relay 4 is inserted, press the button up.