under dash on drvers side. they take the old style bus fuses
You can find the fuse box diagram for the Buick Riviera online at places like auto-wiring-diagram.com. You can also find this diagram on the website called Team Buick or in the Buick Riviera owner's manual.
where is the fuse box on a 1997 buick riviera
Under the back seat!
It's under the back seat
under hood
Both the 20 amp fuse and the horn relay on 95 Buick Riviera are located in the under hood fuse box in the engine compartment just behind the passenger side headlamp.A detail of the fuses in this fuse box can be found on the inside cover of the box.
It is located in the fuse box under the hood on passenger side.
Under back seat
Look under the rear seat, driver side has 2 large fuse blocks.
check fuse or see if its plugged in under the seat
under the back seat in a black box on driver side
Probably left lower side of steering column against firewall