This 12'' Kaimana J2 / J4 Harness is for connecting the Kaimana Mini to the first J2 in the chain. It does not work from one J2/J4 to the next J2/4 in the chain of LED's .  

*Note, these wires will not work with the first generation Kaimana LED's, only the J2 and J4 Style.  This wire harness dose not come with items in the photo.