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 ...

Do you own a '69-or-earlier Mopar musclecar? Unless it has already been upgraded, the charging system consists of the old "weak sister" single-field alternator and its accompanying mechanical ...

The alternator in my daily driver 2003 BMW 530i just died. Before I delve into the nuts and bolts of the replacement, it’ll be useful to give you the context on alternators in daily driven modern cars ...