With the engine running, the tool flashes a mirror image of ignition spark. Gives a Visual Check of the Ignition System.Quickly diagnose problems with all ignition systems. Connect the tool between the spark plug and the plug wire.
The Lisle 20610 Inline Spark Tester is a essential tool for small engine repair. With its 90 degree or straight design, this spark tester allows for easy inspection of spark plugs in a variety of engines.
Inline Spark Tester #20610. Lisle Corporation. Quickly diagnose problems with all ignition systems. Connect the tool between the spark plug and the plug wire. With the engine running, the tool flashes a mirror image of ignition spark.