tail lights

hi having problem tail lights dont work all other light do i have check the fuse and have replaced the bulbs it is a 1991 ford taurus dont know what else to check please help

Check to see if you are getting power to the light sockets.

Side note, If you use some sort of punctuation in your posts, they will be easier to read. From reading your post I am not sure if you are asking if you should check the fuse or that you did.