AEB AEB388 Manual De Instrucciones Y Montaje página 11

Principle functioning
The AEB388 emulator has been planned to solve the problem of
reading the "REVOLUTIONS" signal on cars equipped with static
ignition with a coil per cylinder or double coil and with 4-cylinder
engines up to a maximum of 6 cylinders.
In these systems the ignition central unit controls directly the
ignition coils.
By installing the AEB388 emulator, the high voltage signal is
summed in such a way to have the exact number of engine
revolutions.
Vehicles reccomended for installation of this unit
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English
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IS388 Rev. 071005 - 0