How do you replace alternator on a 1988 Toyota pickup?

To replace the alternator on a 1988 Toyota pickup, first disconnect the negative battery cable to ensure safety. Remove the drive belt by loosening the tensioner, then unbolt the alternator from its mounting bracket. Disconnect the electrical connections from the alternator, and then install the new alternator by reversing the removal steps, ensuring all bolts and connections are secure before reconnecting the battery. Finally, adjust the drive belt tension as needed.