bosch coil TU5

the main task of this part of the family of  car injection and ignition system is to provide high voltage for the engine spark plug and create ignition spark in the cylinder.

coil supplied car input power from 12 volts to about 10000 volts using a special orbit and windig .

coils come in a variety of models and shapes , single coil , double coil , quad coil

the automaker will select and install one of them according to the vehicles electrical system and ignition mechanism.