S and G Tool Aid SG23920 In-Line Spark Checker With 90 Deg Boot

In-Line Spark Checker With Degree.

• Features a 90 boot and longer wire to easily install and remove the In-Line Spark Checker between the spark plug and the ignition wire.
• Use to quickly troubleshoot ignition system with "hands-free" operation.
• 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 a fault in the fuel delivery system.
• Item Weight - 0.05 lbs.