Most Auto Parts stores sell repair manuals.
eBay.
If you go to www.ebay.com you can type in car repair manual for 1993 Camry. If you can't find one on eBay you can go to www.craigslist.com and search your city to find one.
A picture of the fuse panel is in the owners manual. You can also find a picture in a repair manual that you find at your local auto part dealer.
The eagle 2000 gtx is the exact same car as the Mitsubishi Galant, and the similar Galant had production years from 1989-1993, from my sources anyways. Either track down a repair manual for the Galant or go to alldata.com and pay the $20 for the online repair manual version to the Galant.
Chilton's Automotive Repair Manuals are a good source to find fuse box diagrams for the 1986 Buick Park Avenue. This repair manual can be purchased for around $25 or less.
You can find a Honda repair manual at most local libraries. You can also find the repair manual at most Honda dealerships.
you could try www.autozone.com if not there try getting the haynes repair manual for your vehicle.(handy book to have)
You will be able to get a free downloadable repair manual from the dealership website, in most cases. If you can't find it online, visit your dealership and ask for a replacement.
You can find a manual for the Buick engine by checking the packaging the original engine came in as the manual is commonly transported with the engine itself.
You can find a Mazda repair manual at just about any auto parts store or you can check at your local library to see if there is one available for checkout.
in a haynes repair manual, the back section is about chassis electricalthis is where you will find it.or in a ford shop manual
vacuum routing diagram can be found under the hood. if that is not an option try a haynes or chiltons manual