I eventually figured out what was wrong once I got to work on the truck during the daylight. Stick your head down by the brake petal and look at the firewall. You will see a bunch of electrical wires going to a junction block on the firewall - white plastic junction block if my memory is correct. Take your hand and firmly push in on the lower plug-in of this junction block. Take note if there is any movement - in my case it pushed in about a quarter inch. PRESTO - problem solved!!!! My wife had picked me up at work with the truck at night. When I came out of work, she moved over to the passenger side, so I could drive (so nice of her). I think her toe caught on the plug (winter boots), pulling it out a quarter of an inch. My wife, of course, didn't realized what had happened. When I got in the truck she said the seat belts don't come out, the dome light quit, and the radio quit. Such a simple repair!!!! --- but took me a while to find out the problem. What I did: I figured a professional auto mechanic would approach such a problem is a analytical manner. I got out my SEARS digital multimeter and went to the fuse block on the left side of the dash. I pulled the fuse for the seatbelts -- Is it fuse 16?? - I don't have the truck home to check. The fuse was ok. So, I was going to see if power was getting to the fuse. I stuck the red probe into one of the fuse connections -- and I touched the black probe to the steel dash bracket nearby. PRESTO - a reading of 13.2 DC volts plus some. If you get no reading, try touching the red probe to the other fuse connection - one of them is the hot wire from the battery. You will ONLY have power with the key in the ignition on position - so you MUST have the ignition key turned to do this test!!!Once I knew I had power to the fuse block, I knew the problem had to be between the fuse block and the seat belt, etc. So next, I stuck my head down by the brake petal and looked at the firewall. By the way, I am VERY HAPPY with my Dodge Ram and would buy another one.