1Pcs Inline Spark Plug Tester Small Motor Vehicle Engine Ignition Armature Diagnostic Detector Suitable for Automobile Motorcycle Lawn Mower Internal and External Engines

High Quality MaterialThis product adopts high quality electroplating shaft rust and corrosion resistance Rubber protective sheath high temperature resistant wire well insulated tightly bonded to connector The lamp shell is made of environmentfriendly acetate fiber plastic which has no impact on the low temperature environment Quick Problem DiagnosisThe Spark tester is an excellent tool for quickly and easily diagnosing ignition and finding engine problems and defects Can also check spark plug connections contact points cables and other bad problems Easy to useThe product through the spark plug engine ignition tester indicator light display determine which cylinder is causing the problem and trace to the determined cause Remove the spark plug wire after turning off the engine Attach a black connector to the spark plug and insert the metal end of the tester into the spark plug wire After starting the engine if the ignition circuit has been completed the bulb will flash Wide ApplicationSpark 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 Its a musthave item in personal and auto stores Premium ServiceOur spark plug ignition tester can quickly and easily diagnose ignition check for engine problems and rule out defective cables and contacts etc If there is any problem with our products please contact us immediately and we will try our best to solve the problem for you