81 Interior Lights problem

The interior lights are all off(dash, floor, everything), not sure why, all the fuses are fine i even tried those that light up if blown, the lights worked a couple of weeks ago but not recently, headlights and tail lamps are fine however, please guys point me to the culprit

Thanks

Check the door switch on the forward door post.

bill.

Check your grounds. Like under the dash etc.
Could have a loose nut etc.