Here is a link to a nice basic multimetre [ Ссылка ]
Watch Marc Diagnose and replace a faulty Alternator on a Nissan Navara.
always be sure you don't have voltage leaving the alternator before you replace it. you don't want to replace a good alternator and find you have the same problem.
a battery not charging is a symptom, you must carry out the correct tests first, before diagnosing.
