S & G TOOL AID IN-LINE SPARK CHECKER KIT FOR RECESSED PLUGS

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• Troubleshoot virtually all domestic and imported cars, SUV's and trucks.
• Use for testing newer vehicles with recessed spark plugs and conventional and coil-on plug ignition systems.
• Flashing bulb indicates ignition or fuel delivery problems.
• Provides information not available with OBD II code reading devices - pinpoints if there is a spark plug, plug wire, mechanical, fuel injection or electrical problem.
• 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.
• Safety orange color for easy visibility.