Lisle 50850 Ignition Spark Tester with Jump Feature

In Stock

SKU LS50850
  • A handy tool to check ignition spark without removing the spark plug.
  • The 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 to ground. Crank engine and check for spark.