Oldsmobile Delta 88 Fuel Pump Relay | Auto Parts Warehouse That's not a problem. We've worked hard over 11 years designing a website experience that makes it easy for anyone to idenify whether parts fit their car. Just plur your Oldsmobile Delta 88 and Year into the Year Make Model selector above and when you search for a Fuel Pump Relay Auto Parts Warehouse will only show you parts that fit your vehicle. Fuel Pump Relay Location: Where Is the Fuel Pump Relay The relay center is located behind the glovebox and will be the third relay down on the right, usually only two relays in the car, so the bottom one. If replacing the relay doesn't work then it's definitely your fuel pump. You should be able to hear the fuel pump kick on for a few seconds when you turn the key on.