CT03 Power Circuit Tester, 6-24V DC Test Light Short Circuit, Automotive Component Electrical Polarity Identify Continuity Tester, Overload Protection

• 🔧【 Professional-Grade Automotive Circuit Maintenance Tool】Designed specifically for automotive electrical system inspection, this all-in-one tester combines battery voltage measurement, polarity verification, conductivity testing, and fault diagnosis for headlights and motors. It precisely locates issues like short circuits and poor ground connections, making it an efficient companion for professional mechanics and DIY enthusiasts alike.
• ⚡【High-Sensitivity Rapid Detection】Equipped with advanced high-sensitivity probes, it responds to circuit signals in milliseconds, ensuring accurate readings of voltage and connectivity status. Compared with traditional testing methods, it cuts troubleshooting time by 50%, quickly pinpointing faulty wires and specific problem areas to significantly boost repair efficiency.
• 🚗 【Full-Vehicle Coverage & Digital Display】Featuring an extra-long extended detection cable that reaches from the front to the rear of the vehicle, it enables comprehensive circuit system testing without blind spots. The integrated Digital screen displays real-time DC voltage values ranging from 3.5V to 36V (not suitable for AC power or voltages exceeding 36V). With clear and intuitive data presentation, it’s compatible with both 12V and 24V vehicle battery systems.
• ✅ 【Ultra-Simple Operation & Plug-and-Play】 ① Connect the red clip to the positive terminal of the battery and the black clip to the negative terminal; the blue digital screen will display the current battery voltage in real-time. ② Activate the testing function by turning on the front headlights. ③ In case of reverse connection, the screen won’t display voltage but the indicator light stays on, offering intelligent error prevention for effortless use, even for beginners.
• 📦【Attentive Service】The package includes the Tester, Accessories, Instruction Manual. We provide 24/7 online technical support, ensuring worry-free assistance from purchase consultation to post-purchase usage, making professional-grade circuit testing accessible to all.

This versatile power circuit tester is an essential tool for automotive electrical diagnostics and maintenance. Operating within a 6-24V DC range, it efficiently identifies electrical polarity and tests for short circuits in various automotive components. The built-in overload protection feature helps safeguard both the tool and the circuits being tested. Perfect for mechanics and DIY enthusiasts, this continuity tester helps quickly pinpoint electrical issues in vehicles. The test light provides clear visual indication, making it easier to diagnose circuit problems and verify proper electrical connections. Its practical design allows for easy handling and storage in your toolbox. Whether you're troubleshooting vehicle electrical systems or testing circuit functionality, this tester delivers reliable results for professional and personal automotive maintenance needs.