Lisle 20610 Inline Spark Tester

Lisle 20610 Inline Spark Tester.

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 tool is double-ended to offer a straight boot and a 90 boot on one tool. With the engine running, the tool flashes a mirror image of ignition spark.

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