2nd Rear View Camera

2014 DCLB: The stock side view mirrors let me see either side of the 7'-wide trailer OK, but I really do not like not knowing what is behind me.
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I would like to get an after market rear view camera to mount in the trailer, but run the signal to the existing Entune screen.
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I was thinking I could put a selector switch in the lower console which would allow me to select which input I wanted on the monitor: either the standard, reverse activated backup camera or the new, always on trailer camera, whichbwould be powered by 12v from within the trailer.
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Is anyone familiar with the stock camera wiring and might point me in the direction to make this happen?
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Thanks, --Larry

 

I don't know about integrating an aftermarket into the stock, but there's a lot of options for backup camera systems.

This outfit I'm thinking about buying from http://www.rearviewsafety.com/products/camera-systems.html

Another: http://www.tadibrothers.com/Products/CategoryProducts/BackupSystems

 

I figure there has to be at least one electronic wizard who understands the Entine head and how to connect a second, switchable video input. TIA!

 

I think wireless cameras are available for vehicles.

I'd place the monitor on the dash with a pad and put it away when done.