One problem related to power train driveline has been reported for the 2008 Dodge Ram 1500. The most recently reported issues are listed below.
I was driving down the road and switched into 4wd after a few minutes the vehicles lights started to flicker- the car slipped out of 4wd and wouldn't re-engage. There was an apparent short in the electrical system- the windshield wiper/washers wouldn't function afterward either. The dealer fixed the issue but the very day I got it back the very same thing happened again. I am told it is a technical problem with the vehicle and Chrysler is searching for a fix but that I am not supposed to turn the switch back to the 4wd position or I'll short out the system again.