Chevrolet Blazer III (2018-2023) yel/blk Wiring diagrams

1-CU 1-RD 2-CU AM/FM AUXILIARY AUDIO INPUT BACKUP LAMP CTRL BLK WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BRN/BLU WIRE COAX COMPUTER DATA LINES SYSTEM ENABLE SIGNAL ENTERTAINMENT REMOTE GPS GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/GRN WIRE HD/XM HI SPD GMLAN SER DATA (-) 9 LF SPEAKER (-) CTRL 1 LF SPEAKER SIG (-) 1 LO SPD GMLAN SER DATA 2 LOGIC LR SPEAKER (+) CTRL NCA WIRE RADIO RADIO ANTENNA AMPLIFIER REAR END SPOILER ANTENNA REAR VIEW CAMERA RED/VIO WIRE RF SPEAKER (-) CTRL 1 RF SPEAKER SIG (-) 1 ROOF REAR ANTENNA RR SPEAKER (+) CTRL RR SPEAKER SIG (-) SER DATA COMM ENABLE USB USB RECEPTACLE USB SER DATA VIDEO PROCESSING CONTROL MODULE VIDEO SIGNAL W/ ALL AROUND VISION CAMERA W/ DIGITAL AUDIO SYSTEM W/ DIGITAL AUDIO SYSTEM W/O DIGITAL AUDIO SYSTEM W/O ONSTAR WHT WIRE WHT/BLU WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE

2.0L TURBO 2.5L 3.6L ACTIVE NOISE CANCELLATION MODULE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/YEL WIRE BRN/BLU WIRE ENGINE CONTROL MODULE ENTERTAINMENT REMOTE ENABLE SIGNAL BATTERY POSITIVE VOLTAGE GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/BRN WIRE HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK LEFT FRONT DOOR SPEAKER LEFT FRONT RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE LEFT INSTRUMENT PANEL SPEAKER LEFT REAR DOOR SPEAKER LEFT REAR RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE LF SPKR (-) CTRL (1) LF SPKR SIGNAL (-) 1 LR SPKR (-) CTRL LR SPKR (-) CTRL 1 LR SPKR SIGNAL (-) NOISE REDU MIC 4 RTN NOISE REDUCTION MIC 1 LO REF NOISE REDUCTION MIC 2 LO REF NOISE REDUCTION MIC 1 SIG NOISE REDUCTION MIC 2 SIG NOISE REDUCTION MIC 3 LO REF NOISE REDUCTION MIC 3 SIG NOISE REDUCTION MIC 4 SIG RED/YEL WIRE REPLICATED REPLICATED SIGNAL RF SPKR (-) CTRL (1) RF SPKR SIGNAL (-) 1 RIGHT FRONT DOOR SPEAKER RIGHT FRONT RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE RIGHT INSTRUMENT PANEL SPEAKER RIGHT REAR DOOR SPEAKER RIGHT REAR RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE RR SPKR (-) CTRL RR SPKR CTRL (+) 1 RR SPKR SIGNAL (-) SIG GND SIGNAL VIO/BLU WIRE WHT WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE

AUDIO AMPLIFIER (FORWARD OF CENTER CONSOLE) BATTERY POST VOLT BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/YEL WIRE BRN/BLK WIRE BRN/BLU WIRE CENTER INSTRUMENT PANEL SPEAKER COMPUTER DATA LINES SYSTEM ETHERNET BUS 6 (-) FRONT CENTER SPKR (+) FRONT CENTER SPKR (-) LO REF RR SPKR SIGNAL (-) GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK LEFT FRONT DOOR SPEAKER LEFT FRONT RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE LEFT INSTRUMENT PANEL SPEAKER LEFT REAR DOOR SPEAKER LEFT REAR RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE LF SPKR 1 (-) LF SPKR SIGNAL (-) 1 LO SPD GMLAN SER DATA 2 LR SPKR CONTROL (+) LR SPKR SIGNAL (-) NOISE REDUCTION MIC 1 LO NOISE REDUCTION MIC 2 LO NOISE REDUCTION MIC 3 LO NOISE REDUCTION MIC 4 RTN NOISE REDUCTION MIC SIG 1 NOISE REDUCTION MIC SIG 2 NOISE REDUCTION MIC SIG 3 NOISE REDUCTION MIC SIG 4 RED/YEL WIRE REPLICATED SIGNAL RF SPKR 1 (-) RF SPKR SIGNAL (-) 1 RIGHT FRONT DOOR SPEAKER RIGHT FRONT RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE RIGHT INSTRUMENT PANEL SPEAKER RIGHT REAR DOOR SPEAKER RIGHT REAR RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE RR SPKR CONTROL (+) SIGNAL GROUND SUBWOOFER SPEAKER SUBWOOFER SPKR (-) SUBWOOFER SPKR (-) LO REF VIO/BLU WIRE WHT WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE YEL/WHT WIRE

AUXILIARY AUDIO INPUT BLK WIRE BLU/BLK WIRE BODY CONTROL MODULE COMPUTER COMPUTER DATA DATA LINES FROM UNDERHOOD FUSE BLOCK (DIAGRAM 1 OF 9) HVAC CONTROLS INFO DISPLAY MODULE INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LEFT OF BATTERY) LINES SYSTEM PARKING ASSIST CONTROL MODULE RADIO RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RED/GRY WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE STARTING/CHARGING SYSTEM TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE TRANSMISSION CONTROL MODULE UNDERHOOD FUSE BLOCK USB RECEPTACLE VIO/BLK WIRE VIO/YEL WIRE W/ ONSTAR WHT WIRE YEL/BLK WIRE

BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BRN/BLU WIRE GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRY WIRE LEFT LEFT FRONT DOOR SPEAKER LEFT INSTRUMENT PANEL SPEAKER LEFT REAR DOOR SPEAKER LOGIC MUTE ORG/RED WIRE PNK WIRE POWER DISTRIBUTION SYSTEM RADIO PRESETS STEERING WHEEL CONTROLS SWITCH RADIO VOLUME STEERING WHEEL CONTROLS SWITCH RED/GRN WIRE RED/VIO WIRE RED/WHT WIRE RIGHT RIGHT FRONT DOOR SPEAKER RIGHT INSTRUMENT PANEL SPEAKER RIGHT REAR DOOR SPEAKER RIGHT STEERING WHEEL CONTROLS SWITCH LOGIC SELECT STEERING WHEEL AIR BAG COIL USB USB RECEPTACLE VOICE VOL DOWN VOL UP WHT WIRE YEL WIRE YEL/BLK WIRE

AUDIO LOW REF AUDIO SIG + AUDIO SIG MICROPHONE SIG BATTERY POS VOLT BLK/BRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/YEL WIRE BRN/BLU WIRE BUS 12 COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/YEL WIRE HIGH SPD GMLAN SERIAL DATA (+) 9 HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT PANEL FUSE BLOCK LEFT FRONT MOBILE TELEPHONE MICROPHONE LEFT FRONT RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE LEFT REAR RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE LF SPEAKER (-) CTRL 1 LF SPEAKER SIG (-) 1 LIN SERIAL DATA LOGIC LOW REF LOW SPD GMLAN LR SPEAKER (+) CTRL MICROPHONE (-) LOW REF MICROPHONE SIG NCA WIRE RADIO RED/GRN WIRE RED/WHT WIRE RF SPEAKER (-) CTRL 1 RF SPEAKER SIG (-) 1 RIGHT FRONT RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE RIGHT REAR RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE RR SPEAKER (+) CTRL RR SPEAKER SIG (-) RTN NOISE REDUCTION MICROPHONE 4 NOISE REDUCTION MICROPHONE 4 SIG SERIAL DATA 2 SIGNAL SIGNAL GROUND TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE VIO/BLU WIRE W/ ONSTAR W/O ONSTAR WHT WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE

1-CU 1-RD 2-CU AM/FM AUXILIARY AUDIO INPUT BACKUP LAMP CTRL BLK WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BRN/BLU WIRE COAX COMPUTER DATA LINES SYSTEM ENABLE SIGNAL ENTERTAINMENT REMOTE GPS GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/GRN WIRE HD/XM HI SPD GMLAN SER DATA (-) 9 LF SPEAKER (-) CTRL 1 LF SPEAKER SIG (-) 1 LO SPD GMLAN SER DATA 2 LOGIC LR SPEAKER (+) CTRL NCA WIRE RADIO RADIO ANTENNA AMPLIFIER REAR END SPOILER ANTENNA REAR VIEW CAMERA RED/VIO WIRE RF SPEAKER (-) CTRL 1 RF SPEAKER SIG (-) 1 ROOF REAR ANTENNA RR SPEAKER (+) CTRL RR SPEAKER SIG (-) SER DATA COMM ENABLE USB USB RECEPTACLE USB SER DATA VIDEO PROCESSING CONTROL MODULE VIDEO SIGNAL W/ ALL AROUND VISION CAMERA W/ DIGITAL AUDIO SYSTEM W/ DIGITAL AUDIO SYSTEM W/O DIGITAL AUDIO SYSTEM W/O ONSTAR WHT WIRE WHT/BLU WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE

AUDIO AMPLIFIER (FORWARD OF CENTER CONSOLE) BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/GRY WIRE BLU/YEL WIRE BRN/BLK WIRE BRN/BLU WIRE CENTER INSTRUMENT PANEL SPEAKER COMPUTER DATA LINES SYSTEM ETHERNET BUS 6 (-) FRONT CENTER SPKR (+) FRONT CENTER SPKR (-) LO REF RR SPKR SIGNAL (-) GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE HOT AT ALL TIMES INSTRUMENT PANEL FUSE BLOCK LEFT FRONT DOOR SPEAKER LEFT FRONT RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE LEFT INSTRUMENT PANEL SPEAKER LEFT REAR DOOR SPEAKER LEFT REAR RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE LF SPKR (+) 1 BATTERY POST VOLT LF SPKR SIGNAL (-) 1 SIGNAL GROUND LO SPD GMLAN SER DATA 2 LR SPKR CONTROL (+) LR SPKR SIGNAL (-) NOISE REDUCTION MIC 1 LO NOISE REDUCTION MIC 2 LO NOISE REDUCTION MIC 3 LO NOISE REDUCTION MIC 4 RTN NOISE REDUCTION MIC SIG 1 NOISE REDUCTION MIC SIG 2 NOISE REDUCTION MIC SIG 3 NOISE REDUCTION MIC SIG 4 RED/YEL WIRE REPLICATED SIGNAL RF SPKR 1 (-) RF SPKR SIGNAL (-) 1 RIGHT FRONT DOOR SPEAKER RIGHT FRONT RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE RIGHT INSTRUMENT PANEL SPEAKER RIGHT REAR DOOR SPEAKER RIGHT REAR RADIO VOLUME COMPENSATOR INTERIOR NOISE MICROPHONE RR SPKR CONTROL (+) SUBWOOFER SPEAKER SUBWOOFER SPKR (-) SUBWOOFER SPKR (-) LO REF VIO/BLU WIRE WHT WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE YEL/WHT WIRE

2.0L TURBO 2.5L 3.6L BATTERY BATTERY SENSOR MODULE BLK WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/GRN WIRE BODY CONTROL MODULE CHARGING CIRCUIT COMPUTER DATA LINES SYSTEM GMLAN SERIAL DATA - 1 GRN WIRE GRN/BLK WIRE HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED IGN MODE SW MODE VOLT IGNITION MODE SWITCH IGNITION MODE SWITCH SIG 2 KEYLESS ENTRY CONTROL MODULE (RIGHT SIDE OF LUGGAGE COMPT) LEFT OF BATTERY) LOGIC LOW SPD GMLAN SERIAL DATA PASSIVE START SW 2 LOW REF RED/BLU WIRE RED/GRY WIRE RED/YEL WIRE STARTER MOTOR STARTER PINION SOLENOID ACTUATOR RELAY STARTER RELAY UNDERHOOD FUSE BLOCK VIO/BLK WIRE VIO/GRY WIRE WHT WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/VIO WIRE

2.0L TURBO 2.5L 3.6L AUTOMATIC TRANSMISSION ASSEMBLY BLK WIRE BLK/GRY WIRE BLU WIRE BLU/BLK WIRE COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE ENGINE CONTROLS SYSTEM GND 3 GRN/YEL WIRE HIGH SPEED GMLAN SERIAL DATA (-) (1) IGN SW MODE CTRL BACKUP PARK SW 2 SIG IGNITION MODE SWITCH MODE CTRL NCA WIRE POWER DISTRIBUTION SYSTEM POWER SUPPLY TRANSFORMER (UNDER CENTER OF INSTRUMENT PANEL) RED/BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/YEL WIRE RUN/CRANK IGN 1 VOLT STARTER ENABLE RLY CTRL STARTER PINION SOL RLY CTRL TRANS INTERNAL MODE SW FEEDBACK SIG LOE REF 1 TRANSMISSION CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) TRANSMISSION INPUT SHAFT TRANSMISSION INTERNAL MODE SWITCH VIO/BLK WIRE VIO/GRY WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/VIO WIRE