I got a 91' DA with a 98 GSR
Heres the question, When I leave the car sitting there over-night the battery is drained the next day. But when I disconnect the negative wire from the battery and leave it over -night and the reconnect it, it starts up like normal. . . . Buddy of mine says it can be the Alternator. . . But another friend says it is bad wiring. . . What you guys think it is? Thanks in Advance.

 

being that you can disconnect the negative cable and its fine, i would shy away from the alternator and look more into what's known as parasytic drain, which is when something puts a subtle constant draw on the battery which will drain it down over time. so therefore my inclination is wiring related. however, charge it up and run the car to your local autozone and have them test the alternator and battery for free. if your charging system and battery both test good then you are looking at something pulling a draw and should have the electrical system checked and serviced.