Product Review
Lisle spark tester will test spark plugs, wires and coils without puncturing the wire. With the engine running, place the grooved end of the tool over the plug wire, the bulb will flash to indicate spark.
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Lisle spark tester will test spark plugs, wires and coils without puncturing the wire. With the engine running, place the grooved end of the tool over the plug wire, the bulb will flash to indicate spark.
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