Why is There a Wire Color Differnce Between 7 Way Traditional vs RV Standard
Updated 02/14/2017 | Published 02/13/2017
Question:
Why is there a difference? I wired my truck for the Camper but now it doesnt work with my horse trailer or car hauler? Why isnt there an industry Standard? Thanks
asked by: Fred C
Expert Reply:
It's a wire color difference but not a function difference on the pins of the 7-way. The difference comes from the fact that the two different styles are representative of two different areas that uses trailers. Traditional is usually seen on equipment, utility and cargo trailers. Whereas RV standard is for campers and travel trailers. They both basically started doing their own thing and are too stubborn to adopt the other side. HA!
A lot of it has to do with the fact that there are so many trailers already out there wired each way that if either changed it would still cause confusion.
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