- Wide Applications : The 6-24V Automotive Screwdriver Test Light is essential for circuit testing in automotive and other applications. Perfect for battery tests, headlight checks, brake light diagnostics, identifying faulty connections, and injector signal testing. - Premium Quality : Constructed with durable metal for the probe and featuring a large alligator clip for easy one-handed operation. Its design allows access to tight spaces, making it versatile for various testing needs. The ABS body enhances durability and resistance to impact, ensuring longevity. The robust 47-inch PU wire offers heat insulation, wear resistance, and tensile strength. - Tester Light Bulb : Equipped with a high-visibility LED test bulb with a long service life, this tester clearly indicates circuit status. The 3W bulb adjusts brightness according to the measured voltage and is easily replaceable. Practical Applications : - Diagnose electrical issues in vehicles, ensuring safety and functionality before hitting the road. - Test and troubleshoot lighting systems effectively, minimizing downtime and improving maintenance efficiency. - Verify injector signals in automotive engines for reliable performance and compliance with standards. This automotive circuit tester is an indispensable tool for both professionals and DIY enthusiasts, streamlining the process of diagnosing and testing various electrical systems with ease and accuracy.