Oldsmobile 2002 Aurora - Manual (Page 296)

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3. Disconnect the wiring harness from the
headlamp assembly.
4. Lift the tabs to remove the bulb from the assembly.
5. Replace the bulb.
6. Push the bulb assembly in and turn it
clockwise to install the bulb assembly into the
headlamp assembly.
7. Then reconnect the wiring harness to the
lamp assembly.