What are the relays (inside car) on passenger side on 1998 buick lesabre

SOURCE: Fuel relay placement 1991 Buick LeSabre. Replaced pump & filter still won't start

Your vehicle's fuel pump relay is located on the relay center, behind the glove box, 2nd column of relays, 2nd one from the top.

SOURCE: 2000 buick lesabre need to take passenger side

These panels are held on by clips, which often are damaged when the panel is removed. Carefully slide the blade of a stiff putty knife under the panel and gently lift and work your way aroung the panel to remove it.