The 1994-2007 Dodge Ram 2500 5.9L I6 Cummins Diesel repair data is free for every DIYer and shop on earth, permanently, because Timmehster paid $99 to unlock it.
Mitchell1 charges $169/mo for this. ALLDATAdiy charges $30/yr per vehicle. Open Labor Project is free permanently, because of community sponsors like Timmehster.