- Versatile Testing Capabilities: This automotive circuit tester kit includes a 6-24V DC circuit tester, power probe, fuse tester, relay tester, and test light. It effectively diagnoses and troubleshoots a wide variety of electrical issues in cars, trucks, and trailers. - Comprehensive Electrical Diagnostics: Equipped with essential tools for precise diagnostics, this kit features quick power and ground testing with the power probe, fuse integrity checks with the fuse tester, and relay functionality assessments with the 12V car relay tester. These tools ensure swift and efficient problem resolution. - Durable and Reliable Tools: Made from high-quality materials, the test light and other testers are designed to withstand rigorous automotive diagnostics. The 4.5-meter (approximately 15 feet) cable allows for extended reach, making it easier to access difficult areas during testing. - User-Friendly Design: The kit includes intuitive displays that simplify result interpretation. The test light and power probe clearly show voltage and continuity, making the troubleshooting process straightforward for both automotive professionals and DIY enthusiasts. - Ideal for Various Applications: This all-in-one kit is perfect for diagnosing electrical faults in automotive systems. Use it to quickly check the integrity of fuses, test relays for proper functionality, or identify power issues in your vehicle’s electrical system. - Compatible with Multiple Vehicles: The kit supports a wide range of vehicles, ensuring it meets the needs of both everyday drivers and automotive technicians.