I would need a bit more information. Is is a 4 cylinder, or 6? I'm going to assume it's a 6. Do you see three ignition coils on top of the engine? Those coils are sitting on top of the ignition module. You will need a 7mm wrench to loosen the retaining screw for the module pigtail, and a 7/32 socket to remove the retaining screws for the coil. Once the coils are removed, you should find that the module comes off the mounting bracket with the final coil.
Where remote module in a 98 buick regal
http://www.automotivehelper.com/topic1054152.htm or Goole "ignition switch replacement 2001 regal"
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