Check the regulator, could also be a bad diode leaking to ground which will kill draw current and kill the battery. Looks like possibly time to rebuild or replace the alt.


1989 Toyota SR5 DLX SB
1995 Toy DX XTRA Cab 4x4
1989 Dodge Raider 3.0 V6, 5 spd, Michelin LTX series, bouncey seat
1988 Dodge Raider A/T w/Offroad Package
1959 Corvette
1977 Z28
1979 Honda CBX 1000 6 cyl