Universal spark plug tester, car ignition system testing diagnostic tool with adjustable cable

General Description The universal spark plug tester is an essential diagnostic tool for evaluating your car's ignition system. It allows for quick diagnosis of ignition problems by easily connecting between the spark plug and the spark plug wire. Technical Specifications Item Type: Spark Plug Tester Material: ABS + Aluminum Alloy Usage Connect the tool between the spark plug and the spark plug wire. Observe the spark color: a normal spark is bluish-purple and straight for 2 cm, while a red or curved spark indicates a problem. Use the transparent viewing window to check the condition of the spark. Other Information Comes with a grounded clip for secure attachment. Rustproof rubber sleeve for easy use. High-pressure connector made of alloy material, strong and durable.