Lisle 50850

Ignition Spark Tester

Product Details

A handy tool to check ignition spark without removing the spark plug. Tool is specially calibrated to measure ignition voltage. Works on both standard and electronic ignition systems. Easy to use. Simply adjust calibration screw to proper gap size. Attach spark plug wire to end of tester. Clamp tester on engine ground. Crank engine and check for spark.

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