De Universal Automotive Relay Tester is designed to help you efficiently diagnose and test automotive relays, which are crucial for the operation of various vehicle systems, including lights, wipers, starters, air conditioning, and more. This reliable tool ensures that your relays are functioning properly, preventing system failures that can lead to vehicle inoperability.
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Comprehensive Relay Testing: The tester connects directly to the car battery (11V–15V) to check the relay coil and assess the functionality of relay contacts, ensuring they operate correctly.
LED Indicators: The tester features clear LED indicators—red for abnormal operation and green for normal operation—allowing for quick visual confirmation of relay status.
User-Friendly Operation: Designed for ease of use, the tester allows you to select between 4-pin and 5-pin relays, making it versatile for various automotive applications.
Durable and Portable: Built with high-quality materials, this tester is both durable and easy to carry, making it a convenient addition to any mechanic’s toolkit.
Detailed Testing Process: The tester performs a series of checks, including contact closure time and relay inertia, to ensure comprehensive evaluation of relay performance.
How to Use the Tool:
- Connect the power leads to the car battery: black alligator clip to the negative terminal and red alligator clip to the positive terminal.
- The tester powers up, illuminating the red LED.
- Select the appropriate relay type (4-pin or 5-pin) on the tester.
- Plug the relay into one of the three receptacles.
- Press the “TEST” button to begin the evaluation.
- The tester will check the pin configuration and light the red LED if the relay is abnormal.
- It will open and close the relay 10 times, measuring the time for contact closure and opening.
- The green LED will light if the relay passes the test; otherwise, the red LED will indicate a failure.
- Disconnect the power leads and remove the relay after testing.
Ensure the reliability of your vehicle’s electrical systems with the Universal 12V/24V Automotive Relay Tester. This essential tool simplifies relay diagnostics, helping you maintain optimal vehicle performance and safety.
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