2PCS Spark Plug Tester, Engine Ignition Coil Tester Straight Boot Ignition Test Spark Plug Light Checker Automotive Spark Tester for Automotive Car Lawnmower Internal External Engine

Size: Each small engine spark tester features 6 1/4" shield/cable, 5" shaft/light cover. Suitable dimension to check for spark in even the hard to reach areas. Material: The spark plug tester is made of quality plated shaft , rust and corrosion resistant, internal bulb lasts for years, clear housing is replaceable. Easy to Use: Turn the engine off and remove the spark plug coil. Connect the black plastic leather connector of the spark plug tester to inline spark plug tester. Connect the metal end of this spark plug tester to the spark plug coil. Start the engine. If the light flashes, the ignition wire is intact. Features: The spark tester probe could quickly and easily diagnose ignition/engine outboard motor issues or a fault in the fuel delivery system, this engine ignition coil tester is a must have for any personal, professional machine store and automotive store. This automotive spark tester is perfect for basic troubleshooting of all internal combustion engines, cars, trucks, motorcycles, lawn mowers, chain saws, trimmers, snow blowers, generators, etc.