CAR Spark Tester Tool - Quick, clear ignition diagnostics: identifies ignition problems fast with an intelligent LED indicator and a clear inspection guide that shows different spark states by color. - Easy to use, no special tools or expertise needed: fast engine connection and test start, eliminating the need for advanced equipment or training and saving time and effort. - Broad compatibility for engines: suitable for cars, trucks, motorcycles, and other internal and external combustion engines; works with various spark plug configurations. - Practical tool for repairs and maintenance: a reliable diagnostic aid to support routine service and ignition-system troubleshooting. - Use scenarios: - Routine maintenance: check spark condition to determine if spark plugs or ignition coils need service. - After replacement: verify spark and proper operation following spark plug or ignition component replacement. - Troubleshooting no-start: quickly identify ignition-related no-start issues on a car, truck, or motorcycle.