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In-Line Ignition Spark Checker

Cat. No. 23900

Use to quickly troubleshoot ignition system.
Device is "hands free" and connects in-line between spark plug and spark plug wire.
Shows a duplicate view of the ignition spark and checks the condition of ignition system at each cylinder.
Frequency and intensity of flash indicates whether there is an ignition system problem or a fault in the fuel delivery system.

Instructions:

23900 Instructions.pdf