Lisle 20580 Inline Spark Tester w/Coil On Plug Wire

Lisle 20580 Inline Spark Tester w/ Coil on Plug Wire

• 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.

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.