No 12 volt Power

[Simpleman]

Hello changed the dual alternators in the 2008 f350 6.4 turned the key all is dark,no dash lights no headlights no horn nothing lights up,Main fuse box under hood has 12 volts everywhere. I am at wits end,two brand new AGM battery's it ran when I pulled it into my shop two days ago.
Thanks Dale

 

[Simpleman]

I figured out what was missing the passenger battery,it takes 5 connections to the positive side I missed the one coming up from the bottom of the radiator and its a black cable so kinda blends in and is not so obvious
FYI Dale