Use to quickly trouble shoot ignition system. Device is "hands-free." Connects in-Iine between spark plug and spark plug wire. Shows a duplicate view of the ignition spark. 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. Flash can be seen in bright sunlight. Clear plastic body can withstand rough use and resists automotive chemicals. Protected by mechanical strain relief.

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. Great for working in confined areas, such as "cab forward" designed vehicles, to overcome obstructions like shock towers, air conditioning tubing and exhaust headers. Use to quickly troubleshoot ignition system with "hands-free" operation. Shows a duplicate view of the ignition spark.

• Connects quickly.
• 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.
• Flash can be seen in bright sunlight.
• Clear plastic body can withstand rough use and resists automotive chemicals.
• Protected by mechanical strain relief.