Product Description
Tests Spark Plugs, Spark Plug 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.
Tests Spark Plugs, Spark Plug 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.