All Categories
Get it between 2025-07-24 to 2025-07-31. Additional 3 business days for provincial shipping.
How to Use: Turn off the engine, disassemble the spark plug coil, and clip spark tester crocodile clip to spark plug, connect metal end to coil, start the engine, you can judge the coil according to the spark color and the distance to jump to the fire
Easy to Read: If the spark in the spark plug tester window is blue-violet and the spark is stable and regular, you can continue to use, if the spark is yellowish or reddish and the jumping spark is interrupted indirectly, then you need to replace the plug
Warm Reminder: When use our spark plugs tester, please make that the alligator clips with protective rubber sleeves are grounded or connecting to the cord. And not to place the tester near the vehicle ground or sparks that may cause ashort circuit
Adjustable Design: Our ignition coil tester tool is engraved with high visibility white number, the jump gap can be adjusted from 0 mm-40 mm/0"-1.54" through rotating the red knob on the top to suit different vehicles, avoids ignition coil burnout
Product Dimensions: The metal head of the coil tester is 1.57" in length, the widest part is 0.47" in diameter, the grounding wire is 18.11" length, 0.14" in diameter, please check your car’s ignition coil size carefully in advance to avoid can't use it