any auto part store should be able to give you that diagram, autozone, or advanced auto parts .
Where can you find a diagram for the fuse box on a 1995 Honda civic si?"
google images.. search "1995 Honda Civic fuse box diagram"
the Honda dealership
Type this into your search engine. "1995 Honda Civic fuse panel photo" and you will see many photos of the fuse block.
because its a 1995 honda civic
Go here www.the12volt.com they have your diagram for free.
http://www.honda-acura.net/forums/index.php
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http://henklin.ridethepig.com/Civic/firing_order/images/FO02.jpg http://henklin.ridethepig.com/Civic/firing_order/images/FO01.jpg
Try this site. honda.co.uk