ZKTOOL Spark Plug Tester Adjustable Ignition System Coil Diagnostic Detector Spark Measurement Ignition Checker

【Quick Diagnostic Failure】Spark plug tester easily and quickly detect engine and ignition problems, defects, and malfunctions. Troubleshooting spark plug connections, contacts, bad cables and more. This ignition checkered light makes it easy to identify the cylinder that is causing a problem 【Wide Application】Spark plug tester is applicable to cars, trucks, and marine engines. Also suitable for small engines such as motorcycles and lawn mowers. Applies to all internal and external combustion engines that use spark plugs [How to use] Simply connect the spark detector between the spark plug and plug wire to start the engine. When the spark is transmitted, the inline spark tester will light up and mirror the spark. If you check the unstarted, you will have your friends crank the engine so that they monitor the signs of sparks. Spark plug testers stumble the engine or lose power. This requires you to use automotive spark tester tools in a personal or professional machine store or garage 【Practical Design】Transparent window allows you to easily observe flash-over situations. Includes a grounding clip for a secure grip and a rubber sleeve for ease of use. Ignition coil connectors are made of high quality metal material, strong and durable. Small and easy to store and carry 【Sincere Service】ZKTOOL aims to provide the most professional and most complete auto repair tools and service in the auto repair industry and ensure our quality is reliable. If you have any questions, please contact us by email. We will give you the best solution

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