Car Spark Tester Automotive Ignition Coil Detector Spark Plug Wire Diagnostic System

• Simply connect the tester between the spark plug and the plug wire, screw assembly adjusts spark gap quickly and easily. The clip securely fastens to ground, designed to prevent high energy sparks arching directly to any ground

• The normal spark is purple blue and the ignition is regular, abnormal spark color slants yellow, slants red, or indirect interruption

• Can quickly and easily diagnose whether the car ignition system is working properly. Avoid fire, the ignition coil burned out and so on

• Offering a safe and reliable way to diagnose fault, convenient, economical and time-saving

• Made by premium quality material, durable for a long time use

Specification:

• Material: Plastic & Metal

• Color: Black