G gwg Forum Newbie Jun 6, 2012 #1 Replace the voltage reg. and the alternator on my 721d. Battery light stays on and the battery will not charge. gauge shows 12 volts.
Replace the voltage reg. and the alternator on my 721d. Battery light stays on and the battery will not charge. gauge shows 12 volts.
scott47429 Well-Known Member Jun 6, 2012 #2 does the alternator have power going to it from the battery if not then either it has a bad connection or bad wire if it does start checking fuses
does the alternator have power going to it from the battery if not then either it has a bad connection or bad wire if it does start checking fuses