HITACHI Electronic Ignition: Description
The Hitachi electronic distributor consists of housing, rotor and distributor cap. An Integrated Circuit (IC) ignition unit is used. A reluctor with one external tooth for each cylinder, is pinned to rotor shaft assembly. See Fig 1. The reluctor turns inside stator. Stator is a metal ring with one internal tooth for each cylinder. See Fig 1. The stator, magnetic ring and pick-up coil assembly are attached to breaker plate assembly.
On some 1974-76 6-cylinder models, distributors use a dual pick-up coil. The dual pick-up coil distributors have a 6 degree phase between the 2 pick-up coils.