Spark Plug Tester and Ignition System Diagnostic Tool Ensure accurate ignition system diagnosis with this versatile spark plug tester designed for professional mechanics and vehicle maintenance. Built for reliability and ease of use, it offers quick testing capabilities for multiple ignition components, helping you identify faults efficiently. Key Features: Multifunction testing: Suitable for spark plug testing, voltage line testing, and ignition coil testing. Broad compatibility: Works with traditional ignition coils, dual spark coils, and single spark coils. Expanded applications: Detects spark performance for generators, fans, fuel injectors, relays, solenoids, and other related devices. Durable build: Made from quality ABS material for longlasting performance. Portable design: Lightweight and easy to carry for quick checks in any location. Easy operation: ABS tip allows smooth insertion without damage and withstands repeated use. Clear visibility: Equipped with a brightness bulb to show circuit status clearly, even in lowlight environments. Specifications: Material: ABS for strength, durability, and lightweight use. Bulb: brightness indicator bulb for accurate fault detection. Application range: Vehicles, generators, machinery with ignition systems, and multiple electrical devices. Practical Use Scenarios: 1. Vehicle Maintenance: Diagnosing faulty spark plugs or ignition coils to improve engine performance and prevent breakdowns. 2. Workshop Testing: Rapidly checking the condition of multiple ignitionrelated components during routine service. 3. Field Repairs: Portable design makes it easy to troubleshoot equipment such as generators or small engines onsite. This spark plug tester provides a dependable solution for quickly identifying ignitionrelated issues, reducing diagnostic time, and ensuring accurate repairs across a wide range of applications.