Where is the fuse box in a 1998 Mitsubishi Eclipse? The fuse box for my 1998 Eclipse Spyder is up under the dash on the left of the driver's side leg area. Look up and inside to the left with your head down by the brake pedal. 1998 Mitsubishi eclipse fuse box location - Fixya Oct 15, 2011Having trouble locating fuse for cig lighter in my 1998 Mitsubishi spyder eclipse gs, it's not in the fuse box under the hood. the fuse for the lighter is on a line fuss that means it's not in a fuse box ,it's on the main wire that goes to the battery. follow the wire and you'll find it.