How to replace alternator belt in 1994 mazda miata?

To replace the alternator belt on a 1994 Mazda Miata, first disconnect the negative battery terminal to ensure safety. Loosen the tensioner pulley by turning the adjustment bolt, then remove the old belt from the alternator and the pulleys. Install the new belt by routing it according to the belt diagram (usually found under the hood), ensuring it sits properly on all pulleys. Finally, adjust the tensioner to achieve the correct belt tension, recheck alignment, and reconnect the battery terminal.