Help
 

So my 1991 4Runner 3.0 4x4 is giving me some issues. While out in the dessert, my truck completely ˟˟˟˟ off and half a second later started back up, but the starter stayed engaged. I had to pull the starter relay after it started to disengage the starter. Now, I have constant power inside the truck, even when the key is out. The parking brake lamp is on, the rear anti lock light is on, and trans oil temp all while the key is out of the ignition. Also my radio is turning off whenever it wants. I looked at the radio deck thinking it was a wiring problem there but found nothing. Anyone have any suggestions?

Ignition switch??