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Ignition Control Module: Description and Operation
280ZX, Maxima, Pathfinder, Van, 200SX, 300ZX, 1987-88 Pickup, Pulsar, Sentra, Stanza & Stanza Wagon
The
power transistor amplifies the ignition signal from the electronic control unit and connects and disconnects the coil primary circuit to induce the correct high voltage in the secondary circuit.