- MULTI-PURPOSE FUNCTIONALITY: Our automotive circuit tester is designed for versatility, enabling efficient load testing, short circuit detection, fuse fault diagnosis, voltage testing, and pulse signal testing. The included current polarity indicator ensures comprehensive analysis of all electrical issues. - ENHANCED CIRCUIT DIAGNOSIS: This tester features a 12V 5W test lamp and an LED indicator, allowing for quick switching between test modes. Easily identify battery failures or fuse issues and assess voltage levels based on lamp brightness. - EFFECTIVE FAULT DETECTION: The top test lamp helps you swiftly identify power failures and locate hidden bad contacts within cables. Its dual functionality allows for both lamp load and voltage tests, providing accurate diagnostics for your automotive electrical systems. - ADVANCED POLARITY DETECTION: With dual probes, our circuit tester simplifies the process of checking load equipment and displaying current polarity—red indicating positive and green indicating negative. - PRACTICAL APPLICATIONS: - Use it for diagnosing issues in automotive electrical systems, ensuring your vehicle runs smoothly. - Employ it for troubleshooting home electrical circuits, making it a valuable tool for DIY enthusiasts. - Ideal for professional mechanics to quickly pinpoint problems and enhance repair efficiency. This automotive circuit tester combines functionality, reliability, and ease of use, making it an essential tool for anyone dealing with electrical diagnostics.