Three problems related to exterior lighting have been reported for the 2005 Dodge Ram 2500. The most recently reported issues are listed below.
The room fcm power distribution module corrodes and causes electrical problems. Headlights can go out while driving, taillights, break lights etc. There is many complaints on the web about this issue and Dodge has not fixed the problem. I was driving at night and my headlights went completely out. Luckily I was able to avoid any accident and come to a controlled stop. If I had been on a curve I would have lost sight of the road. This is a well known issue among Dodge trucks. This is a safety recall as it can cause an accident and death.
My directional has failures, I will turn on to make a left turn and the right signal will flash. Sometimes the directional will not work at all. Sometimes it will signal right and then left all on its own. Then it will work fine. I found simular problems in forums for 2006 but nothing for 2005. I contacted the Dodge dealer service department and he knows nothing about a recall. I found an action number on your website, pe08059, with the same problem but different year and different type of ram. I think this is a safety issue, and there should be a recall.
Marker/running lights quit working. I was unaware that they quit working, all other lights were working. Danger to other drivers. Trying to resolve problem. Old part is available.