1992 Buick Roadmaster ?

[Ford Fanatic]

Problem: New battery installed at full charge, starts fine and runs well but the battery light is lite on the dash and it drains the battery dead while running after 10 minutes. Can't restart the car afterwards. Whats the prob? Thanks.

 

[kl67]

you need a new alternator

 

[Calvin W]

yeah man, probably the alternator or the wiring to the battery.