9-5 XWD (9650) V6-2.8L Turbo (2011)
Power Supply Diagrams: The diagrams for the power supplies that may be feeding this system (+30, +15, +54, +X, and +B) ) can be found at Power
and Ground Distribution diagrams. See: Diagrams/Electrical Diagrams
X50A Electrical centre, engine compartment - B+ Bus (2 of 3)