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OTI500 Spark Indicator

Spark Plug Indicator OTI500 tests for the presence of power on spark plugs, coils and distributors.
Testing Spark Plug, coils and distribution on breaker point and electronic ignition system Without Puncturing the Wire
Pen type pocket clip for handy use.
CE certificated and RoHS compliant

Operation

With the engine running, simply place the grooved end over the spark plug wire and the high intensity bulb will flash indicating spark.