In-Line Spark Checker w/90 Degree Boot

  • Features a 90 boot and longer wire to easily install and remove the In-Line Spark Checker between the spark plug and the ignition wire.
  • Use to quickly troubleshoot ignition system with "hands-free" operation.
  • Technician can visually check condition of ignition system at each cylinder.
  • Frequency and intensity of flash indicates whether there is an ignition system problem or a fault in the fuel delivery system.


  • Tool Aid 23920 In-Line Spark Checker w/90 Degree Boot
    • Model: 58425
    • Shipping Weight: 0.05lbs
    • Manufacturers Part #: 23920
    • Manufactured by: S & G Tool Aid
    • Also Known As: SGT23920, TA23920, SGT-23920, SG23920

    We have 38 in stock

    Inventory available from other suppliers, prices may be different

    $10.59

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