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Spark Plug & Ignition Tools
CALTERM Tru-Spark 66331 Ignition Firing Indicator with Pocket Clip, LED Display, Black
C116-02023
- Sensitivity adjustment dial is a Calterm exclusive feature that allows isolation of a specific plug wire and eliminates false signals from wires routed in close proximity
- Sensitivity adjustment dial is a Calterm exclusive feature that allows isolation of a specific plug wire and eliminates false signals from wires routed in close proximity
- 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
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