Connects in-line between spark plug and spark plug wire
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
The in-line ignition spark checker has a clear body that allows the flash to be seen in outside/sunlight conditions. The body is made of heavy duty plastic and is chemical resistant and is ideal for any technician's tool box.
