Sell Yaiueir Spark Plugs Adjustable Ignition System Coil Tester Detector best price

◆◆◆◆◆◆Welcome to yaaiueir shop◆◆◆◆◆◆ We 'll bring you the best service and the best product Remember to pay attention to my shop, your support is my biggest motivation! Characteristics: Made of high - quality materials, it has the greatest durability. Designed to test spark plug performance and troubleshoot internal combustion engine. You can quickly and easily diagnose whether your car power system works properly. Spark testers can connect between spark plugs and spark plugs in a matter of seconds to solve the problem of spark plugs connecting dirty, broken, cable or faulty connections. Provide a safe and reliable fault diagnosis method, convenient, cost - effective and time - saving. Norms: Condition: 100% new Method of use: - remove spark plugs from the engine. - connect the black connector to the spark plug. - insert the metal end of the tester into the spark plug wire. - try to start the engine. - if the ignition circuit is complete, the bulb will blink. Packing list: 1 x car spark tester