RE: Turn Signal Bulb Replacement
If it is the front,:
1. Remove the radiator upper sight shield.
2. Remove the retaining screw from the headlamp. (outside)
3. Remove the mounting bolts from the headlight. (from top)
4. Remove the headlight assembly.
5. Pull the headlight assembly forward and disconnect all the wiring.
6. Replace the turn signal lamp by twisting the socket. counterclockwise and do the same to remove the bulb from the socket. if needed.
7. To install, reverse the removal process.
If it is the rear:
1. Move the carpet in the trunk aside behind the lamp housing.
2. Remove the 3 nuts that hold the housing in the vehicle.
3. Push the rubber grommet through the sheet metal.
4. Replace the lamp.
5. To install, reverse the removal process.
That is what the '98 service manual says.