S & G Tool Aid 23920 IN-LINE SPARK CHECKER KIT FOR RECESSED PLUGS
Product Details:
IN-LINE SPARK CHECKER KIT FOR RECESSED PLUGS* A must for testing newer vehicles with recessed spark plugs
* Troubleshoots virtually all domestic and import cars, SUV's & trucks
* Provides information not available with OBD II code reading devices
* Shows a duplicate view of the ignition spark
