2000 Chysler Grand Voyager battery overcharging

Hi
my voyager is overcharging off the charts I scanned it with modis no engine codes but in abs codes I have a 37 abs overcharging possible Cab. I replaced the alternator, battery, and computer also disconnected abs control box under car still overcharging. Ive checked all grounds and even grounded the alternator directly and still overcharges.
please help im going nuts.
thanks