You can find the diagram for the fuse box on a 1990 Geo Metro in the car's owner's manual. You can also check local auto part retail stores.
It's under the dashboard of your car.
You can get a fuse box diagram for a 1990 Geo Prizm at your local auto parts store or at the library. Another way to get one, is to contact a local Geo dealer.
http://www.kick-fix.com/All-Pdfs/M89/GM-fuse-panel89.pdf
The 1993 Geo windshield wiper fuse can be found in the fuse box. The exact location of the windshield wiper fuse will be listed on the inside cover of the fuse box.
A 1993 Geo Metro has two fuse boxes. One fuse box, that has the relays in it, is under the hood and the other fuse box is under the dash next to the driver side door.
The fuse box is in the lower left kick panel on the driver side. Also check the headlight relay that is located under the hood on the right or driver side next to the fender in a little black box.
The 1999 Chevrolet Geo Metro horn fuse can be found in the fuse box. The horn fuse will be in the second column, fifth from the bottom.
The fuse box is just above the left foot of the driver under the dash.
Fuse Box is located,,on the Drivers Side,,under the dash board
The fuse box diagram is in the owners manual of this car. It is also found on the back of the fuse box panel cover.
There is a fuse for the windshield washer on the 1995 Geo Prizm. The fuse is located in the fuse box to the left of the steering wheel and under the dashboard.