I am new to the forum and have a couple of questions. I just installed an aftermarket radio in my daughter's 2016 Kia Soul + Designer series. Her factory radio did not have NAV or the Infinity powered sub system. I am having a terrible time trying to hook up the factory backup camera to the new aftermarket system. I research a couple of discussion (not many out there) on how to do this with a RCA cable. I connected my positive wire from the RCA cable to Video Pin 6 (Camera VIN) and the negative wire from the RCA to Pin 18 (Camera VGND). I connected the aftermarket radios reverse wire to the reverse wire on the harness. Now I do not know where to hookup the postive and negative wires for the camera's power. The Kia wiring diagram shows a Pin 7 Camera B+ and Pin 23 Camer PGND. The problem is I don't have a wire in Pin 23 on the car harness. What should I do?