2015 Entune NonNav 510079 issue with aftermarket camera

I have a 2006 tacoma base, installed the 2015 Entune HU and Ive got everything to work including the rear camera input signal all the way to the head unit, verified by a tv display, but not on the head unit itself, My question is the signal from the camera the only signal needed to override the display ? , the camera is an Amazon LEADSIGN tailgate camera and a red wolf radio harness for a 2014-19 tacoma

$20 RED WOLF 24 PINS Backup Camera T-Harness for 2014-2019 Toyota 4Runner Tacoma Highlander Sienna Add on Aftermarket Reverse Camera to Factory OEM Stereo Display Navigation

RED WOLF Radio T-Harness Retain Factory Reverse Backup Camera or Add Rear View Camera to OEM Stereo Nav/Display for Toyota 4-Runner Tacoma Sienna 2014-2019
by RED WOLF
Learn more: https://www.amazon.com/dp/B08F23BGJR?_encoding=UTF8

if there is a schematic for the pin out that would be a great place to start, I heard there are some files on the Manual that should help ? the plug I bought uses the top left and bottom left pins I've not quite figured out how to load a pic here form a Mac another issue I'm working on...