Backup lamps circuit for Mercedes-Benz GLA-class X156 facelift (2017-2020)

*** BACKUP LAMP BACKUP RELAY BLU WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE CAN B H CAN B L CAN C H CAN C L COMPUTER DATA LINES SYSTEM DUAL CLUTCH TRANSMISSION FULLY INTEGRATED TRANSMISSION CONTROL CONTROLLER UNIT ENGINE COMPARTMENT FUSE, RELAY MODULE FUSE 241 FUSE 98 GRY WIRE GRY/BLU WIRE GRY/YEL WIRE HOT AT ALL TIMES INNER LEFT REAR LAMP UNIT INNER RIGHT REAR LAMP UNIT LEFT REAR LAMP UNIT N/A RED/WHT WIRE RIGHT REAR LAMP UNIT SAM CONTROL UNIT (LEFT END OF DASH) VEHICLE INTERIOR FUSE BOX YEL WIRE