UHANBUT Ignition Coil Testers, Spark Plug Circuit Tester, Adjustable Spark Coil-on Plug Tester Tool, Universal Auto Diagnostic Test Tool for Automotive, Small Engine, Motorcycle, Lawnmower (2PCS)

UHANBUT Ignition Coil Testers, Spark Plug Circuit Tester, Adjustable Spark Coil-on Plug Tester Tool, Universal Auto Diagnostic Test Tool for Automotive, Small Engine, Motorcycle, Lawnmower (2PCS)

• 【Pitch Adjustment Function】: The spark plug tester quickly detects weak sparks. By observing spark color and jump distance, it accurately assesses ignition coil quality, allowing for efficient troubleshooting of ignition errors, burnt coils, and other issues without starting the engine. Generally, a longer spark gap indicates stronger coil performance.
• 【High Visibility Design】: The spark plug diagnostic tool's observation area uses high-contrast white text to mark key gap value scales such as 10k, 20k, 30k, and 40k ohms, enabling quick and accurate data reading even in dim lighting conditions for reliable testing.
• 【Quality Materials】: This adjustable spark plug tester is precision-engineered with connectors fabricated from corrosion-resistant alloy to ensure optimal electrical conductivity and unwavering reliability. This guarantees seamless current transfer between the inline spark plug tester and ignition coils, delivering precise and dependable test results every time.
• 【Easy to Use】: Using the ignition coil tester tool requires no complex tools. Simply secure the clips to the engine, connect the metal end to the spark plug wire, and observe the spark status through the small window. Noteworthy, ensure the protective rubber-coated alligator clip is properly grounded or connected to a wire, and keep the tester away from vehicle grounding points or sparks to prevent short circuits.
• 【Wide Application】: The adjustable spark coil-on tester's main body measures 115mm/4.53" in length and 22mm/0.87" in diameter, paired with a 520mm/20.47" long cable. The adjustable spark coil-on tester features a detachable standard spark plug wire design, suitable for various automotive ignition system detections, and compatible with small engines, motorcycles, and other equipment, fully meeting diverse testing needs.