For anyone that wants to duplicate the OEM camera to the head unit, this is what your going to have to do.
Buy this- https://a.co/d/74nXhUK
*Tap into pin 6 and attach it to the wire coming off of the part from amazon, this is your +
*Tap into pin 7 and attach it to the negative wire coming from the part from amazon, this is your -
*Now plug that wire into the head unit under rear camera
*Now tap into pin 9 and run that down to the head unit and connect it to rear camera 12V (this wire gets 12v every time you put the van in reverse).