GMC Sierra IV (2018-2022) grn/blk Wiring diagrams

ACC VOLT ANT 1 HI SIG ANT 1 LO SIG ANT 2 HI SIG ANT 2 LO SIG ANT HI SIG ANT LO SIG BATT POSITIVE VOLT 43 BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BRN/BLK WIRE BRN/GRN WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRV DR ANT HI SIG DRV DR ANT LO SIG DRV DR HANDLE SW SIG DRV DR OPEN SW SIG IGN MODE SW CHALLENGE ACTV SIG IGN MODE SW SIG 2 GRN WIRE GRN/BLK WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/GRN WIRE HOT AT ALL TIMES IGNITION MODE SWITCH INSTRUMENT PANEL COMPARTMENT KEYLESS ENTRY ANTENNA KEYLESS ENTRY CONTROL MODULE LEFT INSTRUMENT PANEL FUSE BLOCK LO SPD GMLAN SERIAL DATA LR DR HANDLE SW SIG PASS DR ANT HI SIG PASS DR ANT LO SIG PASS DR HANDLE SW SIG PASSIVE START SW 2 LO REF PNK WIRE POWER DISTRIBUTION SYSTEM REAR COMPARTMENT KEYLESS ENTRY ANTENNA RED/YEL WIRE RETAINED ACC PWR RELAY 2 COIL CTRL RR DR HANDLE SW SIG RUN/CRANK IGN 1 VOLT STEERING COLUMN LCK SIG VIO WIRE VIO/BLK WIRE VIO/GRY WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/YEL WIRE YEL/BLU WIRE YEL/GRY WIRE

BATT POS VOLT BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BRN/BLU WIRE BUS 7 (-) CABLE) COMPUTER DATA LINES SYSTEM GRN/BLK WIRE GRY/GRN WIRE GY LVDS SIGNALING CABLE HEAD-UP DISPLAY HEAD-UP DISPLAY SWITCH HEADLAMP ON HOT AT ALL TIMES HUD HUD SW LOW REF HUD SW SIG INFO LIN BUS 1 LOGIC INSTRUMENT CLUSTER LVDS RED/WHT WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK SER DATA (+) 2 SIGNALING WHT WIRE YEL WIRE YEL/WHT WIRE

ABS IND. AIR BAG IND AUTO STOP IND BATT POS VOLT BLK/WHT WIRE BLU/GRN WIRE BLU/YEL WIRE BRAKE IND BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/WHT WIRE CHARGE GAUGE CHARGE IND CHK ENG IND CTRL COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM CRUISE IND DISPLAY DRIVER INFORMATION CENTER DISPLAY ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE GAUGE ENGINE OIL LEVEL GAUGE ENGINE OIL LEVEL SWITCH ESC IND ESC OFF IND ETHERNET BUS 7 (-) FORWARD COLLISION ALERT LED CTRL FRONT FOG LAMP IND FUEL GAUGE GLOW PLUG IND GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/YEL WIRE HEAD-UP DISPLAY CIRCUIT HIGH BEAM LAMP IND HILL DESCENT CONTROL IND HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED ILL IND INSTRUMENT CLUSTER INTELLIBEAM LAMP IND KM/H IND LANE KEEP ASSIST LEFT TURN IND LIN BUS 1 LOGIC LOW COOLANT LVL IND CTRL DAY NIGHT LED CTRL LOW FUEL IND LOW SPD GMLAN SERIAL DATA 2 LVDS MALFUNCTION IND MPH IND NAVIGATION SYSTEM OFF IND PARK IND PARK LAMPS IND PEDESTRIAN AHEAD IND PTO IND RED/GRY WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK RIGHT TURN IND RPM IND RUN/CRANK IGN 1 VOLT SEAT BELT IND SECURITY IND SERIAL DATA (-) 9 SERIAL DATA COMMUNICATION ENABLE LOW WASHER FLUID IND CTRL SERVICE PARK BRAKE IND SIGNAL GROUND SPEEDOMETER TACHOMETER TIRE PRESSURE IND TOW/HAUL IND TRACTION CONTROL OFF IND VEHICLE AHEAD IND VIO WIRE VIO/BLK WIRE W/ MULTI COLOR ENHANCED GRAPHIC W/ ONE COLOR GRAPHIC WAIT TO START IND CTRL WHT/BLU WIRE WHT/GRN WIRE WIPER/WASHER SYSTEM

AUDIO SIG + BATT POSITIVE VOLT BK COAX AM/FM ANT SIG BLK WIRE BLK/BLU WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BRN/BLK WIRE BRN/BLU WIRE BRN/RED WIRE BU COAX GPS BU USB AM/FM ANT SIG CELLULAR TELEPHONE MICROPHONE SIG COAX COMPUTER DATA LINES SYSTEM CU COAX XM DOWN ETHERNET BUS 4 (-) ETHERNET BUS 6 (-) ETHERNET BUS 7 (-) GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/WHT WIRE GRY/YEL WIRE GY LVDS DISPLAY SIG HOT AT ALL TIMES LOGIC LVDS MICROPHONE LO REF MICROPHONE SIGNAL MUTE NAVIGATION ANTENNA NAVIGATION SYSTEM NCA WIRE OG COAX COAX CAM SIG ORG/RED WIRE PNK WIRE RADIO RADIO ANTENNA RADIO PRESETS STEERING WHEEL CONTROLS SWITCH RADIO VOLUME STEERING WHEEL CONTROLS SWITCH RED/BLU WIRE RED/YEL WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK RIGHT STEERING WHEEL CONTROLS SWITCH SEEK LEFT/ SEEK RIGHT/ SELECT SIG GND STEERING WHEEL AIR BAG COIL USB VIO/YEL WIRE VOICE W/ DIGITAL AUDIO SYSTEM W/ ONSTAR W/O ONSTAR

1 PU 2 PU AUDIO LO REF AUDIO SIG + BACK BACK- WARD BATTERY POS VOLT BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BN COAX CELL CELL/GPS CELLULAR PHONE NAVIGATION, DIGITAL RADIO ANTENNA COAX COMPUTER DATA LINES SYSTEM FRONT WARD GND SIG GRN/BLK WIRE GRY/GRN WIRE GRY/YEL WIRE HOME HOT AT ALL TIMES LEFT FRONT MOBILE TELEPHONE MICROPHONE LO REF LOGIC LVDS MICROPHONE (-) LOW REF MICROPHONE SIG MUTE NCA WIRE POWER DISTRIBUTION SYSTEM RED/BLU WIRE RED/WHT WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK SERIAL DATA SERIAL DATA (-) 9 SERIAL DATA (-) 9 SERIAL DATA (+) 9 SERIAL DATA 2 TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE USB VIO/YEL WIRE W/ ONSTAR W/ REAR HEATED SEATS W/O ONSTAR WHT/BLU WIRE WHT/GRN WIRE

AUXILIARY AUDIO INPUT BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BRN/BLU WIRE COAX COAX BG COMPUTER DATA LINES SYSTEM GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRY/GRN WIRE HOT W/ TRAILER BACKUP LAMP RELAY ENERGIZED LEFT FRONT DOOR SPEAKER LEFT INSTRUMENT PANEL SPEAKER LEFT REAR DOOR SPEAKER LOGIC LOW SPEED GMLAN SERIAL DATA 2 NCA WIRE RADIO RED/WHT WIRE RIGHT FRONT DOOR SPEAKER RIGHT FRONT MOBILE TELEPHONE MICROPHONE RIGHT INSTRUMENT PANEL SPEAKER RIGHT REAR DOOR SPEAKER SERIAL DATA (-) 9 SERIAL DATA (-)9 BACK UP LAMP CTRL SERIAL DATA COMMUNICATION ENABLE UNDERHOOD FUSE BLOCK USB USB RECEPTACLE VIO/YEL WIRE WHT WIRE WHT/BLU WIRE WHT/GRN WIRE WLAN WIRELESS COMMUNICATION ANTENNA YEL WIRE YEL/BLK WIRE

AUDIO SIG MICROPHONE SIG BACKUP LAMP CONTROL BATT POS VOLT BK COAX XM/HD BK LVDS INFOTAINMENT DISPLAY SIG BK USB ANTENNA XM SIGNAL OG COAX COAX CAM SIG BLK/BRN WIRE BLK/GRN WIRE BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/RED WIRE BRN/BLU WIRE BRN/WHT WIRE BUTTON SIG CAMERA SIG (-) COAX COMPUTER DATA LINES SYSTEM CU COAX ANTENNA XM SIG DIMMING CTRL ETHERNET BUS 4 (-) GND SIG GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/VIO WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES LEFT FRONT DOOR SPEAKER LEFT FRONT MOBILE TELEPHONE MICROPHONE LEFT INSTRUMENT PANEL SPEAKER LEFT REAR DOOR SPEAKER LF SPEAKER (-) CTRL 1 LF SPEAKER SIG (-) 1 LH RR SPEAKER CTRL (+) LH RR SPEAKER SIG (-) RADIO DISPLAY TOUCH INTERRUPT REQUEST SIG LO SPEED GMLAN DATA 2 LVDS NAVIGATION SYSTEM NCA WIRE PWR SIG RADIO RADIO DSPY BACKLIGHT LO REF RADIO KEYPAD VOLTAGE REF RED/WHT WIRE RED/YEL WIRE REPLICATED SIG RF SPEAKER (-) CTRL 1 RF SPEAKER SIG (-) 1 RH RR SPEAKER CTRL (+) AUDIO LO REF MICROPHONE LO REF RH RR SPEAKER SIG (-) RIGHT FRONT DOOR SPEAKER RIGHT INSTRUMENT PANEL FUSE BLOCK RIGHT INSTRUMENT PANEL SPEAKER RIGHT REAR DOOR SPEAKER USB USB RECEPTACLE VIO/BLU WIRE VIO/WHT WIRE VOLUME DOWN VOLUME UP W/ ONSTAR W/O ONSTAR WHT WIRE WHT/BLU WIRE YEL WIRE YEL/BLK WIRE

AUDIO AMPLIFIER (ON REAR WALL OF PASSENGER COMPT) BATT POS VOLT BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/BRN WIRE BLU/GRY WIRE BLU/VIO WIRE BRN/BLK WIRE BRN/BLU WIRE COAX COMPUTER DATA LINES SYSTEM ETHERNET BUS 6 (-) GND 27 GRN WIRE GRN/BLK WIRE GRY/BLK WIRE GRY/GRN WIRE HOT AT ALL TIMES LEFT FRONT DOOR SPEAKER LEFT INSTRUMENT PANEL FUSE BLOCK LEFT INSTRUMENT PANEL SPEAKER LEFT REAR DOOR SPEAKER LEFT/REAR SUBWOOFER SPKR CTRL (+) LF SPKR LF SPKR 1 (-) LR SPKR NCA WIRE RED/YEL WIRE RF SPKR RF SPKR (-) 1 LEFT/REAR SUBWOOFER SPKR (-) LOW REF RF SPKR 1 (-) RIGHT FRONT DOOR SPEAKER RIGHT INSTRUMENT PANEL SPEAKER RIGHT REAR DOOR SPEAKER RR SPKR SERIAL DATA 2 SUBWOOFER SPEAKER WHT WIRE WHT/YEL WIRE WLAN WIRELESS COMMUNICATION ANTENNA YEL WIRE YEL/BLK WIRE

AUDIO SIG (-) CTRL BATT POSITIVE VOLT BK USB AM/FM ANT SIG BLK/GRY WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BRN/BLK WIRE BRN/BLU WIRE COAX COMPUTER DATA LINES SYSTEM CU COAX XM ETHERNET BUS 4 (-) ETHERNET BUS 6 (-) ETHERNET BUS 7 (-) GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/WHT WIRE GRY/YEL WIRE GY LVDS DISPLAY SIG HOT AT ALL TIMES LEFT FRONT DOOR SPEAKER LEFT INSTRUMENT PANEL SPEAKER LEFT REAR DOOR SPEAKER LF SPEAKER (-) CTRL 1 LF SPEAKER 1 (+) CTRL LOW SPEED GMLAN SERIAL DATA 2 LR (-) CTRL AUDIO SIG LR SPEAKER (+) CTRL LVDS MICROPHONE MICROPHONE SIG RADIO RED/BLU WIRE RED/YEL WIRE RF SPEAKER (-) CTRL 1 RF SPEAKER 1 (+) CTRL RF SPEAKER CTRL (+) RIGHT FRONT DOOR SPEAKER RIGHT INSTRUMENT PANEL FUSE BLOCK RIGHT INSTRUMENT PANEL SPEAKER RIGHT REAR DOOR SPEAKER RR SPEAKER (+) CTRL SERIAL DATA (-) 9 SERIAL DATA (-) 9 BACKUP LAMP CTRL SERIAL DATA COMMUNICATION ENABLE USB VIO/YEL WIRE W/ DIGITAL AUDIO SYSTEM WHT WIRE WHT/BLU WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE

BATT POS VOLT 2 BATT POS VOLT 3 BLK WIRE BLU/WHT WIRE BODY CTRL MODULE LIN BUS 2 BRN/BLK WIRE COMPUTER DATA LINES SYSTEM DISPLAY GND 11 GRN/BLK WIRE GRN/BLU WIRE GRN/BRN WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES LEFT INSTRUMENT PANEL FUSE BLOCK LEFT REAR CUSHION SEAT HEATING ELEMENT LOGIC LR CUSHION TEMP SENS SIG LR CUSHION THERMISTOR FEEDBACK SIG NCA WIRE REAR SEAT HEATING CONTROL MODULE REAR SEAT HEATING SWITCH RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK RIGHT REAR CUSHION SEAT HEATING ELEMENT RR CUSHION TEMP SENS SIG RR CUSHION THERMISTOR FEEDBACK SIG RR HTD SEAT CUSHION HEATING ELEMENT CTRL RR HTD SEAT CUSHION HEATING ELEMENT LO REF WHT/BLK WIRE WHT/BLU WIRE YEL/WHT WIRE