Spark Ignition Tester Pen, High Voltage Ignition Coil Tester Tool, Spark Plug Electronic Faults Diagnostic Tool, Universal Non-disassembly Testing Device for Cars (Red & Silver)

1. It allows quick, non-destructive testing of spark plug wires and coils.2. Its grooved tip design ensures better contact for more accurate results.3. It is portable and pen-sized for easy storage and on-the-go use.4. Operation is simple: place it on the wire and observe the indicator light.5. The durable, waterproof pen is a reliable tool for ignition system diagnosis.

• Non-destructive Quick Test: This spark plug tester pen enables non-disassembly testing of ignition systems, including spark plug wires and ignition coils, to quickly verify their functionality. It responds promptly and delivers accurate diagnostic results.
• Upgraded Grooved Tip: The car tester pen features an upgraded design with a grooved tip that increases contact area with wires for more precise readings. It includes a high-brightness indicator bulb for easy and clear observation of test results.
• Pen-size Portability: Same size as a regular pen and comes with a pocket clip for easy storage in a toolkit or clothing pocket. Allows for convenient use anytime, anywhere, even during outdoor repairs.
• Wide Compatibility: You will receive 1 x spark ignition tester pen, suitable for testing most ignition coils. The waterproof housing ensures durability, making it a time-saving, safe, and reliable tool for fault diagnosis.
• Simple & Intuitive Operation: with the engine running, place the grooved end of the pen on the spark plug wire. If the indicator bulb flashes, it confirms that the wire is properly transmitting the ignition signal.