Features and Benefits: - A quick way to troubleshoot the contemporary "coil on plug" ignition systems found on General Motors, Chrysler, Ford and import vehicles
- Flashing bulb indicates ignition or fuel deliver problem
- Quickly plugs into boot on coil then clips to the ground
- Ground wire is 20" long
- Shows a duplicate view of the ignition spark so 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 fault in the fuel delivery system. Clear plastic body can withstand rough use and resists automotive chemicals. Flash can be seen in bright sunlight. Protected by mechanical strain relief.
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