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In-Line Ignition Spark Checker

Tool Aid 23900 - SGT23900
Tool Aid 23900

List Price: $9.49
: $7.58

Product Code: SGT-23900-02

Tool Aid 23900 Hands Free In-Line Ignition Spark Tester - SGT23900


Flash can be seen in bright sunlight. Clear plastic body can withstand rough use and resists automotive chemicals. Protected by mechanical strain relief.

  • Connects in-line between the spark plug and the ignition wire
  • Use to quickly troubleshoot ignition system with "hands-free" operation
  • Shows a duplicate view of the ignition spark
  • 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

Replacement Bulb Part No. 23904.

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