1997 Chevrolet Tahoe electrical system problems

On 3/24/98 my 1997 chevrolet tahou was 10 months old with 5400 miles on it when the truck caught fire under the driver's side dash while I was driving and was totally distroyed. When the fire started it was late on my way home from a movie with my wife . We smelled smoke and I stopped but couldn't find anything. We had gone a little distance when fire started falling at my feet, I ran off the road and hit some small trees to try to stop the truck then truned across the road and finilly hit a tree big enough to…

I am the original owner of a 1997 chevy tahoe. The other day while listening to the expanding recall of GM vehicles I tried to remove my key from the ignition switch. To my surprise once the vehicle is started I can remove my key, shift into any gear and drive without a key in the ignition. Maybe this is due to the age of the vehicle, but it has only 148000 miles on it. Thought you would be interested to know. Could video this issue if you are further interested.