Oldsmobile 2003 Bravada Owner's Manual page 346

Engine Compartment Fuse Block
The fuse block is located under the hood in the engine
compartment on the driver's side of the vehicle. See
Engine Compartment Overview on page 5-72 for more
information on location.
Remove the primary cover by pressing the two locking
tabs. Remove the secondary cover by snapping off
while lifting.
5-87