Where is fuse box on 1990 Pontiac Firebird

I am having problems with the power windows and sound to the speakers . Looking to see if there are fuses to repair both these problems.

2 answers
It's a good idea to get a repair manual if your going to work on your own vehicle, and it will include the wiring diagram necessary to diagnose electrical issue like this. Try http://bit.ly/mitchell_repair_manuals_online and you can have one in minutes, for less than $30.00.
i am having teh same problem on my 99
any solution?