[High Quality Material]: This spark plug tester probe is made of high-quality high-hardness plastic. It uses pure copper wire inside, which can withstand high voltage current. Spark plug metal head, easy to connect, wear-resistant and durable.
[Practical Function]: Ignition misfire will cause engine failure or power loss, which will affect driving and safety. This spark plug ignition tester can quickly and easily diagnose ignition and engine problems or defects in your car, as well as check for poor spark plug connections, contact points, cables and other issues.
[Advantages]: Spark plug engine ignition test kit comes with a high-intensity neon interior, which allows you to know whether the ignition line is complete by flashing. The spark plug engine ignition tester is displayed via a light indicator to determine which cylinder is causing the problem and track the exact cause.
[Easy to Use]: This tester is very easy to use. You just connect it between the spark plug and the plug wire and if sparks are emitted, the tester indicator light will light up so you can quickly find defect points and bad cables.
[Applicable]: This inline spark plug tester is suitable for various internal and external engines, and is widely used in cars, trucks, motorcycles, lawn mowers, snow blowers, trimmers, etc. It is a must-have diagnostic tool for automotive engines and a must-have tool for individuals and car stores.