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Spark Plug Firing Indicator - OTC Tools and Equipment

Part #: 7466

Spark Plug Firing Indicator

  • Checks for ignition spark without puncturing wire & possibly causing damage.
  • Pinpoints a misfiring cylinder in seconds without pulling wires or hooking up to a scope.
  • An indicator light shows if plug is firing.
  • Tool uses an inductive pickup... protects you from getting a shock when you probe the plug wires.
  • Weight: 2 oz.
  • Same as Ford No. D89P-6666-A.


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    This product was added to our catalog on Friday 14 January, 2000.