I was driving my 2004 Blazer, and all of a sudden, all of the lights/gauges on thedash flashed on and off & stopped working. Then a few seconds later, they all flashed again, started working...and the
service engine soon light came on, and the transmission shifted into 3rd gear and is staying there. All I have now is 3rd gear & reverse. Does anyone have any idea of what might have happened??? PLEASE HELP! Thanks!

 

Double post. You'll probably get more responses in your other thread.