ESWW Spark Plug Tester Ignition Coil Tester Pen Spark Plug Tester and Coil Testers Non-disassembly Small Engine Faults Diagnostic Tool with Wider Slotted End Portable Pen Clip for Cars (Transparent)

ESWW Spark Plug Tester Ignition Coil Tester Pen Spark Plug Tester and Coil Testers Non-disassembly Small Engine Faults Diagnostic Tool with Wider Slotted End Portable Pen Clip for Cars (Transparent)

• Testing Function: This engine spark plug tester pen can test the ignition system and circuit breaker without disassembly, including spark plug high-voltage wires and ignition coils, to verify their proper functioning. It responds quickly and provides accurate test results
• Groove Design: The tip of this ignition coil tester pen features a groove design, which significantly increases the contact area between the wire and the testing instrument, resulting in more accurate test results
• Equipped with a Light Bulb: Our engine spark plug test pen has a simple testing method. Simply place the grooved end of the test pen on the spark plug wire while the engine is running. The light bulb will flash when the spark plug wire is transmitting a spark plug signal, making it easy to observe the test results
• Portable Design: This spark plug tester and coil tester pen is the size of a regular pen, lightweight and convenient. It also comes with a pen clip, allowing you to easily clip it to your clothing pocket for easy storage without taking up much space
• Upgraded Quality: Our spark tester pen uses upgraded materials and features a waterproof and insulated casing, making it safe, durable, and providing accurate test results with a long service life