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

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

• Test Function: This car spark plug test pen can directly determine whether the spark plug is working properly. It can quickly test the working condition of spark plugs, spark plug wires and coils without piercing the wires, and can be used in ignition systems and circuit breakers.
• Pen Design: The shape of this car spark plug test pen adopts a pen design. The grooved end makes the contact area between the wire and the instrument larger, and the high-brightness bulb makes the measurement results easier to observe.
• How to Use: First, start the engine. Then place the notched end of the test pen over the spark plug wire. Note that if the bulb flashes, it means the spark plug wire is transmitting the spark plug signal, which is ideal for mechanics and personal maintenance.
• Package Included: The length of this car ignition test pen is 4.84 inches/123mm. After purchase, you will receive 1 x car spark plug test pen, which is enough for daily use. It's mini, easy to carry and can be clipped into your pocket.
• Universal Accessory: This car ignition test pen can provide you with a convenient, time-saving, safe and reliable fault diagnosis method. The LED light indication is always transparent and visible, so you can clearly determine the status of the vehicle in dim environments.