I noticed all the courtesy(dome) bulbs pulled out of my recent craigslist purchase 82 El Camino. I put in new bulbs but closed the doors and the lights stay on. I removed both door jamb switches and cleaned them. I tested them with my multimeter and they are working correctly. The only thing left is the headlight switch, right? The headlight switch turns back and forth correctly and even locks for dome light to stay on. Any ideas? I also opened one door at a time and pressed in on the switch. no change. Still stays on.