Chevrolet Blazer III (2018-2023) w/ trailer provision Wiring diagrams

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

2.5L 3.6L BLK WIRE CARGO ACCESSORY POWER RECEPTACLE CENTER HIGH MOUNTED STOP LAMP RADIO AM ANTENNA SIGNAL FILTER MODULE COOLING FAN MOTOR ENGINE CONTROL MODULE ENGINE OIL LEVEL SWITCH EXTERIOR LIFTGATE CONTROL SWITCH INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE LEFT BACKUP LAMP LEFT CARGO LAMP LEFT INNER TAIL- LAMP LEFT LIFTGATE TAIL LAMP ASSEMBLY LEFT OF BATTERY) LEFT OUTER TAIL LAMP LEFT STOP/TURN SIGNAL LAMP LEFT TAIL LAMP ASSEMBLY LICENSE PLATE LAMP LIFTGATE CONTROL MODULE LIFTGATE LATCH LONG RANGE RADAR SENSOR MODULE MULTI-FUNCTION INTAKE AIR SENSOR NCA WIRE PASSENGER PRESENCE MODULE POWER STEERING CONTROL MODULE REAR DEFOGGER GRID REAR WIPER MOTOR REAR WIPER RELAY SUNROOF CONTROL MODULE TRAILER CONNECTOR UNDERHOOD FUSE BLOCK W/ BRAKE PREFILL INTEGRATED BRAKE ASSIST W/ POWER LIFTGATE W/ TRAILER PROVISION W/O POWER LIFTGATE W/O TRAILER PROVISION WHT WIRE WINDSHIELD FRONT VIEW CAMERA

7-PIN 4-PIN BACKUP LAMPS CIRCUIT BACKUP LP CTRL BATT POS VOLT BATTERY FUSE BLOCK BLK WIRE BLU WIRE BLU/WHT WIRE BODY CONTROL MODULE (UNDER CENTER OF INSTRUMENT PANEL, NEAR FLOOR) BRN WIRE COMPUTER DATA LINES SYSTEM GRN WIRE GRN/WHT WIRE GRY WIRE HIGH SPEED GMLAN SERIAL DATA (-) (1) HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK (FRONT RIGHT SIDE OF CENTER CONSOLE) LEFT TRAILER STOP/ TURN SIGNAL LAMP RELAY LH TRLR TURN SIG LP ORG/ WIRE POWER SUPPLY TRANSFORMER PRK LAMP RLY CTRL REAR BODY FUSE BLOCK RED WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/WHT WIRE RED/YEL WIRE RH TRLR TURN SIG LP RIGHT TRAILER STOP/ TURN SIGNAL LAMP RELAY TRAILER BACKUP LAMPS RELAY TRAILER BRAKE PROVISION TRAILER CONNECTOR TRAILER PARK LAMPS RELAY TRLR BRK APPLY SIG VIO WIRE W/ TRAILER PROVISION WHT WIRE WHT/BLU WIRE YEL WIRE YEL/GRY WIRE