Disconnecting the battery while the engine is running isn't a valid test for alternator function and may damage sensitive electronic parts. Instead, use a common voltmeter and the following test ...

In the mid '70s, GM began offering its SI-series (Systems Integrated) alternators, which not only delivered more amperage but did away with the externally mounted voltage regulator and its messy ...

Regardless of a vehicle's application, alternators face a challenge in their job of delivering required amperage output both in terms of performance and durability. Heat, electrical draw, contaminants ...