【อุปกรณ์แต่งรถ】Car Spark Plug Ignition Tester Diagnostic Tool For Internal Combustion Engine ne（Car repair）

Made of premium material for maximum durability. Provides a secure, reliable way to diagnose faults, convenient, cost
-effective, and time
-saving. Designed for test spark plug performance and troubleshoot internal combustion engines. You can quickly and easily diagnose whether your car power system is working properly. The spark tester is connected between the spark plug and the spark plug wire in seconds to solve problems dirty spark plug connections, bad points and bad cables or connections.