You might need a new bulb.
i had the same problem and it wasnt the bulb.. i never figured it out so i ran another switch to the lights and battery... a tuggle switch
The fuse box for a 1998 Oldsmobile Achieva is in between the dashboard and the driver's side door.
Mine is a sticker on the fuse box cover cover
did you check the fuse?
Check the brake light fuse first. Then check for a bad brake light switch at the brake pedal.
open driver door and look inside on side of dash board
leftof steering column behind i/p
Under the hood in a big black bulky fusebox.
Driver side- panel on side of dash pry off and there they are!
It Is located in the convenience center left side of I/P above fuse block
In the fuse box.
Fuse 15
On a 2003 Oldsmobile Alero, the fog light fuse is located inside the dashboard fuse box on the right. The fog light fuse is a ten amp fuse.