Ford Econoline E350 Super Duty (1999-2012) Backup lamps circuit, with stripped chassis

BATTERY JUNCTION BLK WIRE CENTRAL JUNCTION BOX (CJB) (BEHIND LEFT SIDE OF DASH) DIESEL DIGITAL TRANSMISSION RANGE (DTR) SENSOR (A/T) (LEFT SIDE OF TRANSMISSION) DK GRN WIRE ENDS IN HARNESS EXCEPT DIESEL EXCEPT DIESEL, W/ AUXILIARY BATTERY FUSE 12 FUSE 21 HOT AT ALL TIMES HOT IN RUN ORG/ WIRE PNK WIRE RED WIRE REVERSING LAMP TRAILER TOW RELAY VIO WIRE W/ MODIFIED VEHICLE WHT WIRE YEL WIRE YEL/BLK WIRE