Suzuki: 1993 suzuki sidekick, fuse block, suzuki sidekick

Question
I recently changed the main fuse under the hood and my truck has ran right since.  The battery keeps going dead and I one one light is working and my horn and my temperture guage does not work.  Do you think my computer is bad?  Where is it located?  What does it control?
After I get a boost and drive for awhile, I notice that the truck begans to run slow and sluggist.  If I turn someting on the trucks slows down and starts to jeck.  Would the alternator cause all these problem?

Answer
It's possible the alternator is the cause of the battery going dead.  It's equally probable that electrical connections at the battery posts, or fuse block are responsible.  You need to consult the wiring diagram in a factory workshop manual, and use that as the basis for diagnostic procedure.
scotty