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Dave's Deal Depot

Relay Tester

Relay Tester

Regular price $29.99 USD
Regular price $59.99 USD Sale price $29.99 USD
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 Relay giving you problems? Test it with our plug and play Relay Tester


The tester will automatically detect the pin position. If the tester LED lights up green, the relay is normal; if the red LED light is on, the relay is faulty and needs replacement.


First, clip the alligator clip of the tester to the car battery, the black clip on the negative pole, and the red clip on the positive pole.

When the red LED light is on, it means the relay tester can start the test. Check the relay before testing. Select the appropriate socket according to the pins, insert the relay into sockets, press the "Test" button, and the tester will automatically detect the pin position of the unknown relay.

Suitable for most general-purpose automotive relays on the market. When testing, it needs to be connected to the car's 11V-15V battery. The car battery must be a 12V battery, and the battery voltage must be between 11V-15V; 2. The applicable coil resistance is preferably above 20 ohms.

Our automotive Relay tester is small and easy to carry around for on-the-go jobs or for easy storage. Its compact design allows easy use no matter where you are.
With our patented design this relay tester will give you the results you need quickly and easily.


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, this is normal, and the green LED will be on.
Provide convenient and intuitive diagnosis, saving time and economy.
Small size, compact structure, easy to carry, you can test anywhere.

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