Backup lamps circuit for Volvo XC70 II (2007-2013)

74/301 74/403 74/411 74/602 BLK WIRE BLU WIRE BLU/BLK WIRE BRN WIRE BRN/VIO WIRE CENTRAL ELECTRONIC MODULE CENTRAL ELECTRONIC MODULE (BEHIND RIGHT END OF DASH) COMPUTER DATA LINES SYSTEM FUSE GEAR SELECTOR MODULE (GSM) (CENTER CONSOLE) GRN WIRE GRN/BLK WIRE GRY WIRE HOT AT ALL TIMES LEFT REAR LAMP HOUSING ORG/ WIRE RED WIRE REV RIGHT REAR LAMP HOUSING TRANSMISSION CONTROL MODULE (TCM) (ON TRANSMISSION) VIO WIRE