Where is the alternator located on a 1999 Oldsmobile Alero 4 cylinder?

On a 1999 Oldsmobile Alero with a 4-cylinder engine, the alternator is located on the front side of the engine, near the top, slightly towards the driver's side. It is mounted on the engine block and can be accessed from the top of the engine compartment. You may need to remove the serpentine belt to replace or service the alternator.