I have 1998 Chevy Silverado with over 200,000 miles. One morning I started it up just fine, backed out of the drive way, and it just died. I turned the ignition to off, and turned it back on and parked it. My husband drove it later that day and nothing happened. The next day, everything went fine until I was almost to work that morning and it turned off completely and come back on really quickly. Nothing else happened that day. Today, I went to the truck to put things in it, and I noticed that the dome light didn't come on. Then I tried to lock it with the power lock, and it didn't work. I went to the other side to try to turn it on, nothing happened. I went back to the other door to close the door better and the dome light came on and the power locks worked. I later that morning went to turn it on to leave, and it started up and died before I even finished turning the key. It didn't come back on again. Anyone have any ideas what could be wrong with it?