I have a 2012 Tacoma Baja w/ JBL Nav. My back-up camera displays on my Nav screen, I want to switch it to my mirror. I found the mirror female plug at the interior fuse panel and it doesn't have the feed wire plugged into it. I feel certain there is not a seperate wire harness for Nav equipt trucks, so there has to be an extension harness from the origional plug location to the Nav unit. I feel certain that simply plugging the camera into the mirror plug is my fix. Problem is I'm not sure where the plug is located. Any help would be appreciated.