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12V Electronic Automotive Relay Tester 4 Pin 5 Pin Universal Cars Battery Checker Auto Analysis Diagnostic Tools
The tester is designed to test the condition of automotive relays.
Test to properly control the opening and closing of the relay.
If the relay is abnormal, the red LED will be on, if it is normal, the green LED will be on.
Provide convenient and intuitive diagnosis method, saving time and economy.
Small size, compact structure, easy to carry, you can test anywhere.
The car battery must be a 12V battery, and the voltage must be between 11-15V. The coil resistance is preferably at least 20 ohms.
Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
Please allow 1-2cm measuring deviation due to manual measurement.