Automotive Spark Tester — Practical ignition testing you can trust Key benefits Quickly identify ignition faults to prevent misfires, ignition coil damage, and potential fire hazards. Safe, reliable, and cost-effective troubleshooting tool that saves diagnostic time compared with trial-and-error repairs. Durable construction and a simple design make it suitable for both DIY automotive enthusiasts and professional technicians. What it does Diagnoses the vehicle ignition system by allowing direct testing of spark output at the ignition coil, spark plug boot, or high-voltage cable connection. Helps pinpoint bad coils, damaged high-voltage cables, or weak spark without removing components or running lengthy diagnostics. Main features High-quality aluminum construction for long-lasting durability and resistance to workshop wear. Metal head engineered for easy insertion and secure contact with spark plug boots or coil connectors. Handheld, straightforward design for fast on-vehicle testing and repeatable results. Compatibility and performance Designed for use with automotive ignition systems and ignition coils, as an ignition coil spark tester and high-voltage cable tester. Reliable performance for routine checks, pre-repair diagnosis, and maintenance inspections. Compact, practical form factor that fits standard spark plug boots and coil connections for most automotive applications. Practical applications (use scenarios) Before replacing an ignition coil: verify whether the coil is producing a consistent spark to avoid unnecessary parts replacement. Troubleshooting a rough idle or intermittent misfire: quickly test spark at each cylinder to find the faulty ignition component. Routine maintenance checks: inspect high-voltage cables and coil outputs during service intervals to catch issues early and prevent downstream damage. How it helps you work smarter Reduces guesswork during troubleshooting, helping you identify the root cause faster. Low-cost tool that prevents expensive repairs by allowing early detection of ignition problems. Durable materials and a simple design mean fewer tool failures and dependable testing over time. Note Use as a diagnostic aid according to standard safety practices for working on ignition systems. The tester is intended to help detect spark and ignition output; follow vehicle manufacturer guidance for repair and replacement decisions.