Tru-Spark Ignition Firing Indicator (Case of 5)

Highlights

• Sensitivity adjustment dial is a cater exclusive feature that allows isolation of a specific plug wire and eliminates false signals from wires routed in close proximity
• 360° high visibility indicator so that technician's hand will not obstruct view
• Green LED indicates that the tester and batteries are operating properly
• Red LED flashes each time voltage is released from the coil through the spark plug wire
• Rugged high impact ABS housing resists oil and endures shop conditions
• Compact design with pocket clip
• Operates from three 1.5-Volt button cell batteries (included)