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Tru-Spark Ignition Firing Indicator

The Tru-Spark ignition firing indicator quickly and accurately tests DIS and other ignition systems for the presence of secondary voltage. Tests without piercing or removing spark plug wires and is designed for professional service technicians.

  • Sensitivity adjustment dial.
  • High visibility 360˚ indicator.
  • High impact ABS housing.
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991200 Gardner Bender ECM 66331, Tru-Spark Ignition Firing Indicator 33.66 1 EA
Prop65 Warning