How do you change the alternator 1999 Toyota rav 4?

To change the alternator on a 1999 Toyota RAV4, first disconnect the negative battery terminal to ensure safety. Remove the drive belt by loosening the tensioner, then unbolt the alternator from its mounting bracket. Disconnect the wiring harness and the positive battery cable from the alternator, then remove the old alternator. Install the new alternator in reverse order, reconnect the battery, and check that the belt is properly tensioned.