One problem related to headlight switch has been reported for the 2005 Dodge Ram 1500. The most recently reported issues are listed below.
: the contact stated there was a warning light on the dashboard stating "lamp out" which illuminated intermittently. This was always accompanied by one or both of the headlights ceasing to function. The headlight switch was shut off, then turned back on. This temporarily fixed the problem. The vehicle was not seen by a service dealer.