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Lisle 20580 InLine Spark Tester w/Coil On Plug Wire, One Size, Factory
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Lisle 20580 InLine Spark Tester w/Coil On Plug Features
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Connect the tool between the spark plug and the plug wire
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The short wire is double ended to offer a straight boot and a 90-degree boot on one tool.
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With the engine running, the tool flashes a mirror image of the ignition spark.
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Quickly diagnose problems with all ignition systems
About Lisle 20580 InLine Spark Tester W/Coil On Plug
Connect the tool between the spark plug and the plug wire. The short wire is double ended to offer a straight boot and a 90-degree boot on one tool. With the engine running, the tool flashes a mirror image of the ignition spark. The additional 7" extension plug wire is used on coil on plugs that are recessed and hard to reach.
