Electrical plugs need identification help

[zerolash]

2015 GT putting it back together. I lost all the pics I had of disassemble. Need to know what these plugs are for back of engine and how is the vacuum for brake reservoir ran?

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[TexasRebel]

What color are the wires?
Where in the engine bay is this?

 

[Bluelightning]

Are those for the IMRCs?

 

[zerolash]

Back of engine

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