Trailer light circuit for Mercedes-Benz GLC-class Coupe C253 (2016-2019)

AAG BL-L BL-R BLK WIRE BLK/GRN WIRE BLK/RED WIRE BLK/WHT WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE CAN L ELECTRIC BRAKE CONTROL ELECTRICAL CONNECTOR FULLY ELECTRIC TRAILER HITCH SWIVEL UNIT FUSE 308 FUSE 433 FUSE 434 FUSE 435 FUSE 437 GRN WIRE GRN/WHT WIRE GRY WIRE GRY/RED WIRE GRY/YEL WIRE HOT AT ALL TIMES HS 1 PNK SP 1 WIRE LED LED 1 LED 2 PNK WIRE PNK/RED WIRE REAR FUSE, RELAY MODULE REAR SAM CONTROL UNIT RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRY WIRE RED/YEL WIRE RFL (+) RIGHT A-PILLAR FUSE BOX SIG SP 2 SP- TRAILER HITCH RELEASE TRAILER HITCH RELEASE SWITCH TRAILER HITCH SWITCH TRAILER RECOGNITION CONTROL UNIT TRAILER SOCKET (7-PIN) (UNDER CENTER OF REAR BUMPER) WHT WIRE YEL WIRE