The first thing is to check the fuses should take a loading one then treats this the alternator's pineapple, put ignition, check if the battery light is still touched, it should not be, then with a current tester, in the alternator's pineapple, a line must arrive at a line that when putting the tester in negative, earth, or chassis does not know what you will call you should mark the battery light. Battery or perhaps ignition If that will possibly pass the integrated regulator is failing by the regulator has two functions one is to load the 14.5 VLTS KE needs the system and the other is to turn off the battery light.
Please answer how it went with your problem