Alternator & Regulator: Description

Two types of alternators are used. The SI (Systems Integral) series alternator is a Delcotron type and is used in the Grand Wagoneer and Wrangler. This series is serviceable, with an internal voltage regulator that is not adjustable. The CS (Charging System) series alternator is used in the Cherokee, Comanche and Wagoneer. This series is a sealed unit and is not serviceable. It has a solid state internal voltage regulator and is not adjustable.