GM Cadillac Deville_Fleetwood_ELD_Seville 1990-1998

Crankshaft Position Sensor


The magnetic pick-up assembly, located inside the distributor, contains a permanent magnet, a pole piece with internal teeth, and a pick-up coil. A toothed timer core, attached to the distributor main shaft, rotates inside the pole piece. As the teeth of the timer core align with the teeth on the pole piece, a varying current is induced in the pick-up coil. The induced current flow is converted by the HEI module, into a distributor reference pulse.