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Coil On Spark Plug Ignition Spark Checker

Cat. No. 23950

A quick way to troubleshoot the contemporary "coil on plug" ignition systems found on General Motors, Chrysler, Ford and imported vehicles.
Flashing bulb indicates ignition or fuel delivery problem.
Quickly plugs into boot on coil then clips to ground.
Ground wire is 20" long.
Shows a duplicate view of the ignition spark so technician can visually check condition of ignition system at each cylinder.
Frequency and intensity of flash indicates whether there is an ignition system problem or fault in the fuel delivery system.

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