Hey people just in need of some help, well first my battery light popped up and then my car started dying so I charged the battery and used a multimeter to check if the alternator was putting charge back into it and it was, but it was still dying so I bourght a new bigger battery and drove it for two days and it died again could the alternator be at fault and only charge sometimes.....next problem for some reason every time I give it a boot full my hicas light comes on and it also come on a little before my car disides to die anyone know why or how to solve the problem any info would be greatly appreciated=)