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Home >> Dodge and Ram >> 2007 >> Sprinter 2500, Van Cargo, 3.5 46 >> Repair and Diagnosis >> Engine Performance >> Ignition System >> Ignition Control (Service Information) >> Ignition Control >> Ignition Switch >> Operation >> Ignition Switch >> Electronic Ignition Switch (EIS) Operating Modes
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Electronic Ignition Switch (EIS) Operating Modes

The EIS is programmed to adaptively control the on/off state of vehicle electrical systems based on the physical position of the EIS key. There are two main modes of EIS operation, Ignition Switch On, Engine Off, and Engine Start-Up Mode.