Alternator can be repair.Either replace the carbon brush or diode. See which one it faulty. But not all mechanic willing to do it. Last time my Wira i us recond one and can last for 3 years (sold it already).think better find the recond one lah bro. but check others thing 1st lah.seems like not only the alternator problem.
18inch , wanna let go full set with Dunlop DZ101 tyre 99% new. Front 245/40/18, Rear 275/40/18. front 8JJ rear 9JJ , offset +35, sms if interested or PM. 012-2928387 (Calvin)