One problem related to headlights has been reported for the 2005 Dodge Ram 1500. The most recently reported issues are listed below.
Lights go off while driving and the only way to fix it while driving is to flip it back to parking mode, this only works until the lights go off again than just flip it back to regular headlights. This can be dangerous while driving at night with all the deer that runs around my neck of the woods, not to mention the 50' to 100' drop offs to the left and right sides of the main road.