http://www.forestriverforums.com/for...ram-17438.html
Look here to make sure you wired plug correctly.
You cannot go by the colors specified on plug.
2 are swapped for rv
White is ground
blue is electric brakes
Green is tail and running lights
black is battery charge
Red is stop/left hand
Brown is stop/right hand
Yellow is auxiliary if even used
There is no wiring diagram specific to campers.