Chevrolet Blazer III (2018-2023) Backup lamps circuit

2.0L TURBO 2.5L 3.6L 5-VOLT REF 1 AUTOMATIC TRANSMISSION ASSEMBLY BACKUP LAMP CTRL BATT POS VOLT BATTERY FUSE BLOCK BLK WIRE BLK/GRY WIRE BLU WIRE BODY CONTROL MODULE COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE (2.0L TURBO) (MOUNTED AT RIGHT SIDE OF BATTERY) ENGINE CONTROL MODULE (2.5L, 3.6L) ENGINE CTRL SENS LOW REF 1 GRN/WHT WIRE GRN/YEL WIRE GROUND DISTRIBUTION SYSTEM GRY WIRE HI SPD GMLAN SER DATA (+) 1 HI SPEED GMLAN SERIAL DATA (-) 1 HIGH SPEED GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES IGN MODE SW MODE CTRL IGN MODE SW MODE CTRL BACKUP IMS MODE SW LOW REF INSTRUMENT PANEL FUSE BLOCK LEFT BACKUP LAMP LEFT LIFTGATE TAIL LAMP ASSEMBLY PARK SWITCH 2 SIG REAR BODY FUSE BLOCK RED/VIO WIRE RED/WHT WIRE RIGHT BACKUP LAMP RIGHT LIFTGATE TAIL LAMP ASSEMBLY TRAILER BACKUP LAMPS RELAY TRAILER CONNECTOR TRANS POS TRANSMISSION CONTROL MODULE TRANSMISSION INTERNAL MODE SWITCH VIO/WHT WIRE W/ TRAILER PROVISION WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE YEL/BLU WIRE