If there is any problem with our products, please contact us immediately and we will try our best to solve the problem for you. 【Quick Problem Diagnosis】The Spark tester is an excellent tool for quickly and easily diagnosing ignition and finding engine problems and defects. Inline Ignition Tester For Small Engines And Vehicles 1Pcs Inline Spark Plug Tester, Small Motor Vehicle Engine Ignition, Armature Diagnostic Detector, Suitable For Automobile, Motorcycle, Lawn Mower Internal And External Engines Car Motorcycle Lawn Mower Tester Hint:If you do not get correct results in bright lighting conditions, try again in a less bright environment. 1Pcs Inline Spark Plug Tester, Small Motor Vehicle Engine Ignition, Armature Diagnostic Detector, Suitable for Automobile, Motorcycle, Lawn Mower Internal and External Engines 【Easy to use】The product through the spark plug engine ignition tester indicator light display, determine which cylinder is causing the problem, and trace to the determined cause. The lamp shell is made of environment-friendly acetate fiber plastic, which has no impact on the low temperature environment. It's a must-have item in personal and auto stores. Can also check spark plug connections, contact points, cables and other bad problems. 【High Quality Material】This product adopts high quality electroplating shaft, rust and corrosion resistance. povtii Inline Spark Plug Tester, Plug-in Auto Straight Boot Product Specifications: Material: Stainless steel + plastic[Color] : BlackUse The Tutorial:1., Turn off the engine and remove the spark plug wire., 2., Connect the black connector to the spark plug., 3., Insert the test metal end into the spark plug wire and try to start the engine., 4., If the bulb will flicker, the ignition circuit is complete. After starting the engine, if the ignition circuit has been completed, the bulb will flash. [Wide Application]Spark plug tester is suitable for all internal and external combustion engines, like cars, trucks, motorcycles, lawn mowers, snow blowers, trimmers, generators and so on can be used. It's a must-have item in personal and auto stores After starting the engine, if the ignition circuit has been completed, the bulb will flash.
