1PCS Inline Spark Plug Tester, Straight Boot Ignition Test for Engine, Armature Diagnostic Detector for Automotive Car Engine Ignition Tester, for Automotive Car, Chainsaw, Motorcycle, Lawnmower - NTNEV, NTNEV-HHS1

• Practical Diagnostic Tool: Ignition misfires can cause your engine to stumble or lose power, our spark plug ignition tester can quickly diagnose ignition and engine problems and defects. Excellent Material Selection: The spark plug ignition tester is made of high quality rubber sheath, high temperature resistant, iron metal probe, rust and corrosion resistant, this tool is 11.3 inches / 28.8 cm long, suitable for checking the size of sparks in hard to reach areas. Wide Scope of Application: You will get a small spark plug ignition tester is an excellent tool for checking the spark from a coil on a lawnmower or other small engine. Essential Troubleshooting for All Internal & External Combustion Engines, cars, trucks, motorcycles, lawnmowers, chainsaws, trimmers, snow-blowers, generators, etc. A must-have for any individual, professional mechanic garage, and auto shop. Test Methods: First turn off the engine, connect the tester between the spark plug and the plug wire, start the engine, if the ignition wire is intact, the indicator light of the tester will flash. Service: If you have any questions about the product, please contact us in time, and we will provide you with satisfactory solutions.