94 Buick Regal GS brake lights not working and ABS light on?

My dad has a 94 Buick Regal GS. The brake lights aren't working, except for the one that's in the window, and the ABS light is on. He put new bulbs in and the lights still don't come on and the ABS light is still on. Anybody know what it could be?94 Buick Regal GS brake lights not working and ABS light on?Get Flat Sexy Six Pack Abs the Right Way