so I bought one of those Chinese navi unit form a guy on ebay and he didn't sent the harness with all the rca jacks on it. so I want to know it there is still a way to install a back up cam without having that harness? is there something I can buy to add audio/video to the unit?

 

I assume the unit has an RCA female jack where you just plug your cam into.

 

Well yes there should be another harness with all that but he didn't send it. It's one of this flyaudio type unit and this is the harness that he should of sent but didn't