- Versatile diagnostic tool for engines: This spark tester automotive tool is designed for use across a variety of engines, including lawn mowers and other small engines. It enables mechanics and enthusiasts to perform quick and accurate diagnostics, aiding engine repairs. - Precise armature testing: The tool helps diagnose armature issues in your engine, enabling you to determine whether the ignition system or electrical components are functioning correctly. It is a great way to pinpoint problems in both car and small engine systems. - Easy to use: With a simple and intuitive design, this spark tester is easy to operate. It helps you test spark plugs and ignition systems, ensuring that your engine is firing correctly and helping to prevent repairs or replacements. - Sturdy and reliable: Built with strong, high-quality materials, this spark tester is designed to withstand the demands of automotive and engine diagnostics. Whether you’re a professional mechanic or a DIYer, it’s a sturdy tool that will provide reliable results over time. - Use scenarios - Diagnosing a no spark condition on a lawn mower by testing the ignition system and armature to determine if the fault is in the coil or wiring. - Troubleshooting a misfire in a car by testing spark plug firing and ignition components to locate the faulty part. - Field diagnostics on small engines such as generators or yard equipment to quickly verify ignition and electrical function before repairs.