- Versatile Testing Capabilities: This automotive circuit tester kit includes a 6-24V DC circuit tester, power probe, fuse tester, relay tester, and automotive test light, making it ideal for diagnosing and troubleshooting electrical issues in cars, trucks, and trailers. - Comprehensive Electrical Diagnostics: The kit is equipped with essential tools, allowing for quick power and ground testing with the power probe, fuse integrity checks with the fuse tester, and functionality assessments for 12V relays. This ensures efficient problem resolution. - Durable and Reliable Tools: Constructed from high-quality materials, the test light and other testers are built to withstand rigorous automotive diagnostics. The 4.5-meter (approx. 15 feet) cable provides extended reach, making it easier to access hard-to-reach areas in various vehicles. - User-Friendly Design: The kit features intuitive displays for easy interpretation of results. The test light and power probe provide clear visualization of voltage and continuity, streamlining the troubleshooting process for both professionals and DIY enthusiasts. - Ideal for Professionals and DIYers: This all-in-one automotive current probe kit is essential for efficient electrical fault diagnosis and repair in automotive systems. Use it to diagnose a vehicle's electrical problems, check fuse integrity during routine maintenance, or assess relay functionality when troubleshooting starting issues.