Interior lights won't turn off

For the last couple of months the dome light and the lights under the steering column and glove box have refused to turn off even while driving. Now whenever I turn the car off at night I disconnect the battery cause the light remain on throught the night otherwise. Anyone have any idea what I can do or what I can check to fix the problem?

Oh, I have a 1989 Nissan 300zx

I was going to say that there was a thread like this a while ago. But both are yours...so...I still got no answer for ya. Try www.z31.com, not very many Z31s on this forum.