Crankshaft SensorUsed to drive a two wire ????dumb???????????ú????????????ú????ª?????ú???????????????????ú????????????ú??«?ë?????????ª?????ú?????????????????ú??¬?????ú????????????ú????ª?????ú?????????????????ú??¼?????ú??????????????Ñ???????ú??????????????????????ª?????ú???????????????????ú????????????ú????ª?????ú???????????????????ú??????????????Ñ???????ú??????????????????????ª?????ú?????????????????ú????ª?????ú????????????ú????ª?????ú?????????????????ú???????ú????????ú??????????????ú??????????ú???? ignition coil.OverviewThe four channel coil driver module is a "dumb coil" driver module that plugs into the main harness, which is needed when running the factory coils. Contains one 4-channel driver.Features: 3 wire hall-effect crankshaft sensor, generates digital For use w/ ferrous metal targets only (does not detect flying magnets) Can operate from 8-20 volts; mating connector included M12x1 threads for finer gap adjustability; Approx. 2??? length Will function as an auxiliary speed input (i.e. driveshaft) LinksInstruction Sheet