I'm sure it's easy enough once you find out which pins the video + and - go to. There are guys on this forum who had their mirror monitor relocated to their aftermarket head unit, so you just have to find out which connector and pin numbers, then leave them wired and tee in.
GAZ 2013 2SS/RS Arrived June 13 2013, Mods:
Appearance: Blackout Bowties F and R, Blackout Fender Lettering, Painted Lettering on Engine Cover, Painted Strut Tower Brace, White Wiper Blades, White LED H13 DRL's, Blue Dome LED, Blackout Tail Light Bezels, DIYSF Afterburners.
Audio: RF Dual 12" P3's, T400-2, T400-4, T1652-S, T1963, JBL MS-8, RFC1, Isolated Stinger SPV35.
Enhancements: MNM Catch Can, GM Strut Tower Brace.