- Professional Power Detection: This car fuse tester is designed for precise online testing of 6V, 12V, and 24V automotive electronic control systems. It effectively identifies short circuits and open circuits in power supply, grounding, and wiring. Quickly check vehicle lighting circuits, including headlights, taillights, and turn signals, to pinpoint issues efficiently. - User-Friendly Bidirectional Voltage Test: Featuring a simple design, the circuit tester allows easy connection to either the negative or positive pole for ground testing. The integrated digital display clearly shows test voltage results, enhancing usability and accuracy for all users. - Durable and High-Quality Materials: Constructed from robust plastic and carbon steel, this circuit tester is built to last. The reinforced plastic handle ensures a secure grip and slip-resistant operation. The extended spring wire provides stability and reliability during testing. - Flexible and Easy-to-Use Design: The fuse tester includes a stretchable long cable and probe, making it ideal for accessing hard-to-reach areas in automotive circuits. The anti-bend design of the test light tail line prevents poor connections, ensuring accurate readings. - Practical Applications: - Use it to troubleshoot lighting issues in your vehicle, ensuring all lights are functioning correctly. - Quickly diagnose electrical problems in automotive control systems, saving time and reducing frustration. - Perfect for mechanics and DIY enthusiasts who need a reliable tool for circuit testing and maintenance. This fuse tester combines functionality, compatibility, and durability, making it an essential tool for any automotive professional or enthusiast.