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Ignition System General Description

The Solid State Ignition (SSI) system features a solid state Ignition Control Module (ICM)/ignition coil assembly, Electronic Control Unit (ECU), distributor and engine speed sensor. Other components include the battery, ignition switch, starter solenoid, spark plugs and wires, cap and rotor, resistance wire, by-pass wire and a knock sensor. A sync pulse signal generator (stator) inputs the firing order to the ECU.

Fig 1: 4.0L 6-Cylinder Firing Order
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