Car Spark Ignition Tester Pen, 6-24V Spark Plug Tester with Wider Slotted End, High-Voltage Coil Testers with Non-disassembly Portable Pen Clip, for Most Cars (Transparent #1)

1. The tip of this ignition coil tester features a grooved design that increases the contact area between the wire and the testing instrument, thereby ensuring more accurate results.2. The internal components are reinforced to withstand high-voltage pulses and maintain stable performance. It is equipped with a high-intensity bulb for easy observation of test results, making it convenient to use.3. This spark plug tester is the same size as a standard pen and comes with a portable clip, allowing it to be stored in a toolbox or pocket for immediate use.4. This engine spark plug tester allows for non-disassembly testing of the ignition system and circuit breakers to verify proper operation. It responds quickly and provides accurate test results.5. While the engine is running, place the grooved end of the tester on the spark plug wire. Determine whether the ignition system is functioning properly by observing whether the bulb lights up or goes out.

• Design: The tip of this ignition coil tester features a groove that increases the contact area between the wire and the testing instrument, ensuring more accurate results. Additionally, it is equipped with a high-intensity bulb for easy observation of test results, making it convenient to use.
• Features: This engine spark plug tester allows for non-disassembly testing of the ignition system and circuit breakers (including spark plug high-voltage wires and ignition coils) to verify proper operation. It responds quickly and provides accurate test results.
• Testing Method: This ignition tester is easy to use. While the engine is running, simply connect the tester between the high-voltage wire and the spark plug, then determine whether the ignition system is functioning properly based on whether the bulb lights up or goes out. If the bulb flashes, it indicates that the spark plug wire is transmitting a spark plug signal.
• Portable Design: This spark plug tester is the same size as a standard pen and comes with a portable clip, allowing it to be stored in a toolbox or pocket. The internal components are reinforced to withstand high-voltage pulses, ensuring stable performance and long-term durability. It can be used anytime, anywhere, even during outdoor work.
• Package Contents: Includes 1 spark plug tester, suitable for testing most ignition coils. The waterproof housing ensures a long service life, and its impact-resistant and wear-resistant properties make it a time-saving, effortless, safe, and reliable method for fault diagnosis.