14mm/16mm Spark Plug Adjustable Spark Tester

Dual Hole Testing & Protective Cover Protection

Easily test two spark plugs simultaneously with this dual-hole spark plug tester. By comparing the spark intensities of the good and bad spark plugs, you can quickly identify and replace faulty spark plugs, ensuring optimal engine performance. Additionally, the protective cover design minimizes the risk of electric shock during testing, ensuring your safety.

Adjustable 0~6000rpm Working Frequency and Enhanced Data Accuracy

This automotive tool offers a wide working frequency range from 0 to 6000rpm, allowing precise adjustments. By setting a higher frequency, you can achieve stronger spark intensity. The tester simulates real engine performance, providing accurate and authentic test data, thereby saving time and increasing efficiency in maintenance and diagnostics.

High-Quality ABS Material with Impact & Heat Resistance

Manufactured from high-quality ABS material, this ignition tester boasts excellent impact resistance and heat resistance. This ensures it will last longer, saving you the cost and hassle of frequent replacement tools.

Plug and Play and Intuitive Spark Plug Status Display

Operation is straightforward and hassle-free. Just connect the adapter to get started. The tester features a power supply/high voltage indicator light, providing an intuitive way to monitor the status of your spark plugs.

Versatile Compatibility for 12V Gasoline Vehicles

Suitable for testing spark plugs in 12V gasoline vehicles, this spark tester is compatible with both 14MM and 16MM spark plugs. It works seamlessly with all spark plug tests for crankshaft engines and motorcycles, ensuring broad applicability.

Caution

Please avoid touching the spark plug during testing to prevent electric shock. Always follow safety guidelines for optimal use and safety.