AMT730 Automotive Spark Indicator

With the engine running, place the grooved end of the tool over the spark plug wire, The bulb will flash to indicate spark.
Tool tests spark plugs, spark plug wire and coil without puncturing the wire.


AMT770 Automotive Spark Plug Quick Tester

Steel adapters for 14mm - 18mm are standard equipment with the Spark Plug quick Tester. Solid-state ignition system produces a stable ignition test voltage for greater accuracy and reliability. And the spark plug will produce a continual spark you can observe continual spark and compare the intension of spark and quickly judge the spark plug are good or bad and if you will continue use this spark plug.

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