Computer data lines circuit for Chevrolet Blazer III (2018-2023)

BATT POS VOLT BLK/WHT WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/WHT WIRE BLU/YEL WIRE COMMUNICATION DATA LINK CONNECTOR (UNDER LEFT SIDE OF INSTRUMENT PANEL) ENABLE GRN WIRE GRN/WHT WIRE GRY/GRN WIRE HI SPD GMLAN HI SPD GMLAN SERIAL DATA (+) 9 HI SPD GMLAN SERIAL DATA (-) 11 HI SPD GMLAN SERIAL DATA (-) 12 HI SPD GMLAN SERIAL DATA (-) 13 HIGH SPEED EXTENSION BUS TERMINATING RESISTOR 1 HOT AT ALL TIMES INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE INSTRUMENT PANEL FUSE BLOCK LO SPD GMLAN LOW SPD GMLAN SERIAL DATA LOW SPD GMLAN SERIAL DATA 2 LOW SPD GMLAN SERIAL DATA 3 RED/WHT WIRE SERIAL DATA SERIAL DATA 2 SERIAL DATA GATEWAY MODULE (LEFT OF STEERING COLUMN) SIG GND W/ INTEGRATED BRAKE ASSIST BRAKE PREFILL W/O INTEGRATED BRAKE ASSIST BRAKE PREFILL WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE

BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/YEL WIRE BRN/BLK WIRE BRN/BLU WIRE COMMUNICATION ENABLE ETHERNET BUS 4 (-) ETHERNET BUS 6 (-) ETHERNET BUS 7 (-) GRN WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/WHT WIRE HI SPD GMLAN HI SPD GMLAN SERIAL DATA (+) 4 HI SPD GMLAN SERIAL DATA (+) 8 HI SPD GMLAN SERIAL DATA (-) (1) HI SPD GMLAN SERIAL DATA (-) (2) HIGH SPEED EXTENSION BUS TERMINATING RESISTOR 2 HOT W/ IGNITION MAIN RELAY ENERGIZED LEFT OF BATTERY) LOW LEVEL LOW SPD GMLAN MID/HIGH LEVEL RADIO RUN/CRANK IGNITION 1 VOLTAGE SERIAL DATA SERIAL DATA (-) 9 SERIAL DATA 2 SERIAL DATA GATEWAY MODULE UNDERHOOD FUSE BLOCK VIO/GRY WIRE W/ ONSTAR W/O ONSTAR WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE

BLK WIRE BLU WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/BLK WIRE BRN/BLU WIRE COMMUNICATION DATA BUS 12 DATA BUS 18 DATA BUS 19 DATA BUS 2 ENABLE ETHERNET BUS 4 (-) ETHERNET BUS 7 (-) FRONT OBJECT GRN WIRE GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/VIO WIRE GRY/WHT WIRE HI SPD GMLAN HIGH SPD GMLAN INFO DISPLAY MODULE INTERCONNECT LEFT SIDE OBJECT SENSOR MODULE LIFTGATE CONTROL MODULE LO SPD GMLAN LOCAL LOCAL INTERCONNECT LOGIC INSTRUMENT CLUSTER LOGIC RIGHT STEERING WHEEL CONTROLS SWITCH LONG RANGE RADAR SENSOR MODULE LOW LEVEL MID/HIGH LEVEL NETWORK SERIAL ORG/ WIRE REAR SEAT HEATING CONTROL MODULE RIGHT SIDE OBJECT SENSOR MODULE SENSOR CTRL 2 SERIAL DATA SERIAL DATA (-) 4 SERIAL DATA (-) 5 SERIAL DATA (-) 9 SERIAL DATA 2 STEERING WHEEL AIR BAG COIL STEERING WHEEL HEATING CONTROL MODULE TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE VIDEO PROCESSING CONTROL MODULE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/GRY WIRE

BLU WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/YEL WIRE BRN/BLK WIRE COMMUNICATION ENABLE DATA BUS 18 DATA BUS 19 DATA BUS 2 DATA BUS 9 FRONT OBJECT FRONT SEAT HEATING CONTROL MODULE GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/VIO WIRE HANDS-FREE LIFTGATE SENSOR CONTROL MODULE HI SPD GMLAN HVAC CONTROL MODULE KEYLESS ENTRY CONTROL MODULE (RIGHT SIDE OF LUGGAGE COMPT) LO SPD GMLAN LO SPD GMLAN SERIAL DATA LOCAL INTERCONNECT NETWORK SERIAL PARKING ASSIST CONTROL MODULE PASSENGER PRESENCE MODULE (UNDER FRONT PASSENGER SEAT) SENSOR CONTROL 2 SERIAL DATA SERIAL DATA (+) 8 SERIAL DATA (-) 4 SERIAL DATA 2 TRANSMISSION SHIFT LEVER POSITION INDICATOR LOGIC WHT WIRE WHT/BLU WIRE WHT/GRY WIRE

ACCESSORY WAKEUP BLU WIRE BLU/VIO WIRE BLU/YEL WIRE BODY CONTROL MODULE (UNDER CENTER OF INSTRUMENT PANEL, NEAR FLOOR) BRN/BLK WIRE COMMUNICATION ENABLE DATA DATA BUS 1 DATA BUS 11 DATA BUS 3 DATA BUS 8 DRIVER SEAT MEMORY CONTROL MODULE DRIVER WINDOW MOTOR DRIVER WINDOW SWITCH GRN WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/GRN WIRE GRY/VIO WIRE HI SPD GMLAN HI SPD GMLAN SERIAL DATA (-) (1) HVAC CONTROLS IMMOBILIZER CONTROL MODULE INTERCONNECT LIN SERIAL LIN SERIAL DATA BUS 8 LO SPD GMLAN LOCAL LOCAL INTERCONNECT MOST SERIAL NETWORK NETWORK SERIAL NETWORK SERIAL DATA 9 NETWORK SERIAL DATA BUS 1 PASSENGER WINDOW SWITCH SERIAL DATA SERIAL DATA (-) (1) SERIAL DATA 2 SERIAL DATA BUS 11 SERIAL DATA BUS 2 SERIAL DATA BUS 3 SERIAL DATA BUS 4 STEERING COLUMN POSITION CONTROL MODULE SUNROOF CONTROL MODULE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE YEL WIRE

BATTERY SENSOR MODULE BLU WIRE BLU/VIO WIRE BLU/YEL WIRE COMMUNICATION DATA BUS 21 ENABLE FRONT OBJECT GRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRY/VIO WIRE HI SPD GMLAN HIGH SPEED BUS TERMINATING RESISTOR LEFT REAR WINDOW SWITCH LO SPD GMLAN LOCAL INTERCONNECT NETWORK NETWORK SERIAL REAR DIFFERENTIAL CLUTCH CONTROL MODULE RIGHT REAR WINDOW SWITCH SENSOR CONTROL 2 SERIAL DATA SERIAL DATA (-) (1) SERIAL DATA (-) 4 SERIAL DATA 2 SERIAL DATA BUS 4 VIO/YEL WIRE W/ INTEGRATED BRAKE ASSIST BRAKE PREFILL W/O INTEGRATED BRAKE ASSIST BRAKE PREFILL WHT WIRE WHT/BLU WIRE

2.0L TURBO 2.0L TURBO EXCEPT 2.0L TURBO 2.5L 2.5L 3.6L 3.6L 3.6L 2.5L ACCESSORY WAKEUP ACCESSORY WAKEUP SERIAL DATA BLK WIRE BLOCK ENGINE COOLANT FLOW CONTROL VALVE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/YEL WIRE BUS 2 BUS 21 COOLING FAN MOTOR CTRL MODULE LIN BUS 2 ENGINE CONTROL MODULE (MOUNTED AT RIGHT SIDE OF BATTERY) ENGINE CONTROL MODULE LIN BUS 1 ENGINE CONTROL MODULE LIN BUS 2 ENGINE COOLANT FLOW CONTROL VALVE ENGINE COOLANT PUMP EVAPORATIVE MISSION PURGE PUMP FUEL PUMP DRIVER CONTROL MODULE GRN WIRE GRN/BLK WIRE GRN/VIO WIRE GRN/WHT WIRE HI SPD GMLAN HI SPD GMLAN SERIAL DATA (+) (3) HI SPD GMLAN SERIAL DATA (-) (1) HI SPD GMLAN SERIAL DATA (-) (2) HI SPD GMLAN SERIAL DATA (-) 2 HI SPD GMLAN SERIAL DATA (+) 2 HIGH SPEED GMLAN LIN BUS 1 LOCAL INTERCONNECT LOCAL INTERCONNECT NETWORK SERIAL LOGIC ACTIVE GRILLE AIR SHUTTER 1 ACTUATOR MULTIFUNCTION INTAKE AIR SENSOR NCA WIRE NETWORK SERIAL DATA POWER SUPPLY TRANSFORMER SERIAL DATA SERIAL DATA (+) (3) SERIAL DATA (-) 7 SERIAL DATA COMMUNICATION ENABLE VIO WIRE VIO/GRN WIRE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE YEL WIRE