[confused1]

I have a 1990 5.0 and I have a problem with my Brake lights. They do not go on I push on the brake pedal. The rear lights do come on when I turn on the lights but the brake does not come on. I guess just the "parking" brake comes on in the corners but no "strong" brake light when I push on the pedal. I have checked the fuse and it is good. I bought new lights and still no luck can any1 help me please