In-Line Spark Checker Kit for Recessed Plugs

  • The one Ignition Spark Checker for troubleshooting virtually all domestic and imported cars, SUV`s and trucks. Can also be used to test conventional and coil-on plug ignition systems.
  • A must for new vehicles with recessed spark plugs.
  • Fast and easy to use - flashing bulb indicates ignition or fuel delivery problem.
  • Safety orange color for easy visibility. Provides information not available with OBD II code reading devices.
  • Flash can be seen in bright sunlight - saves time and money as technician does not have to swap ignition coils.
  • Clear plastic body can withstand rough use and resists automotive chemicals - shows a duplicate view of the ignition spark.


  • Tool Aid 23970 In-Line Spark Checker Kit for Recessed Plugs
    • Model: 99501
    • Shipping Weight: 0.7lbs
    • Manufacturers Part #: 23970
    • Manufactured by: S & G Tool Aid
    • Also Known As: SG23970, SGT23970, TA23970, SGT-23970

    We have 120 in stock

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    This product was added to our catalog on Tuesday 12 September, 2006.

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