Car Spark Plug Tester Pen in Silver & Purple

1 Pack Car Spark Plug Test Pen, Portable High Voltage Line Cylinder Line Tester, Universal Pen Type Vehicle Engine Indicator Ignition System Spark Plug Coil Diagnostic Tool (Silver & Purple)

Test Function: This portable car spark plug test pen is designed to quickly determine whether the spark plug, spark plug wires, and coils are working properly without needing to pierce the wires. It is suitable for testing ignition systems and circuit breakers in vehicles.

Pen Design: The pen-shaped design of this car spark plug test pen features a grooved end that allows for a larger contact area between the wire and the instrument. The high-brightness bulb makes it easy to observe the measurement results.

How to Use: To use the car spark plug test pen, start the engine and place the notched end of the pen over the spark plug wire. If the bulb flashes, it indicates that the spark plug wire is transmitting the signal properly, making it an ideal tool for mechanics and DIY maintenance.

Package Included: The car ignition test pen measures 4.84 inches/123mm in length and comes with 1 x car spark plug test pen. It is compact, portable, and can be easily clipped into your pocket for convenience.

Universal Accessory: This car ignition test pen offers a convenient, time-saving, safe, and reliable method for diagnosing faults in vehicles. The LED light indication is always clear and visible, allowing you to easily determine the vehicle's status even in dark environments.

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