I can't quiet answer this question as i have the exact same problem.The only 2 solutions i can think of is maybe the water pump is faulty or the pulley on the alternator is the wrong size.
check how easily your alternator spins. it should turn pretty freely also make sure youre using the proper size belt and not under/overtightening it
Capri is a small island. There are no cities on Capri
Spark plugs don't smoke. A bad alternator would cause a dead battery.
Yes it can cause bulbs to blow.
A bad alternator will cause a battery to go bad. It does not have an effect on the air conditioner.
I've had the same problem with mine. It was a low voltage problem. check all your connections, clean the terminals, make sure your battery and alternator are good.
Alternator
Something can be taxing the work of the alternator, or the alternator can be weak and needs replaced.
A failing alternator with sticky or worn out brushes.
It would if the battery voltage was lowered enough to cause it not to fire.
I would have the alternator tested. If the alternator is over charging the battery then it is just cooking it.
A bad alternator will cause the fan blower not to work properly. Have the alternator tested!