It sounds like your are looking for nerf bar mounting brackets for your 2011 Ram Dakota Big Horn. I recommend the Replacement Mounting Hardware for Aries 3" Wide Oval Nerf Bars item # AABRKT-204046. These are the replacement brackets for the Aries Round Nerf Bars - 3" Diameter - Black Powder Coated Steel item # AA205010 that are a confirmed fit for a 2011 Ram Dakota Crew Cab. These brackets only work for those specific nerf bars. view full answer...
Yes, you are on the correct item. The Universal Installation Kit for Trailer Brake Controller # ETBC7 will give you what you need to install a 7-pin connection onto your 2011 Dakota. You having the 4-pin connector will save you time as well as that will plug into the new kit. And don't worry either because there is a separate 4-pin connection next to the 7-pin for future use without disconnecting the kit. There is a great video of the entire process done on a 2009 Dakota for you to watch... view full answer...