Cadillac XT5 I (2016-2019) Trailer tow circuit

4 PIN BACKUP LAMPS CIRCUIT BACKUP LP CTRL BATTERY FUSE BLOCK (REARWARD OF BATTERY) BLK WIRE BLU WIRE BLU/WHT WIRE BODY CONTROL MODULE (LOWER CENTER OF DASH) FUSE 1 FUSE 5 GRN/PPL WIRE GRN/WHT WIRE GRY/BRN WIRE HOT AT ALL TIMES LEFT TRAILER LEFT TRAILER STOP/TURN SIGNAL LAMP RELAY PARK LP RLY CTRL PRK TRLR LAMP FUSE REAR BODY FUSE BLOCK RED/GRN WIRE RED/PPL WIRE RED/YEL WIRE RIGHT TRAILER RIGHT TRAILER STOP/TURN SIGNAL LAMP RELAY TRAILER BACKUP LAMPS RELAY TRAILER BRK APPLY SIG TRAILER CONNECTOR TRAILER PARK LAMPS RELAY TRLR 1 FUSE TRLR BCK/UP FUSE TRLR E BRK FUSE TRLR ST/ TRN LT FUSE TRLR ST/ TRN RT FUSE TURN SIG LP CTRL UNDERHOOD FUSE BLOCK WHT/BLU WIRE WHT/GRN WIRE YEL/GRY WIRE