GMC Sierra III facelift (2015-2018) grn/blk Wiring diagrams

AUDIO AMPLIFIER (IF EQUIPPED) DK BLU WIRE DK BLU/YEL WIRE GRN WIRE GRN/BLK WIRE GRY/GRN WIRE GRY/VIO WIRE INSTRUMENT CLUSTER LIN BUS 8 LO SPD DATA LO SPD SER DATA 2 LOC DATA BUS 12 LOGIC LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE MEDIA DISC PLAYER MOST CTRL MOST SER DATA (+) MOST SER DATA (+) LO SPD SER DATA 2 MOST SER DATA (-) LOC DATA BUS 12 RIGHT STEERING WHEEL CONTROLS SWITCH SEAT MEMORY CONTROL MODULE STEERING WHEEL AIR BAG COIL VIO/YEL WIRE W/ AMPLIFIER W/ ENHANCED MULTI-COLOR GRAPHICS W/ MULTI COLOR DISPLAY W/O AMPLIFIER W/O MULTI COLOR DISPLAY WHT WIRE WHT/DK BLU WIRE WHT/LT GRN WIRE WHT/VIO WIRE YEL WIRE

ACCY/RUN CRNK FUSE AIR BAG/ INFO FUSE BACKUP LAMP SUPPLY VOLT BATT POSITIVE VOLT BLK WIRE BLK/YEL WIRE BLU/GRN WIRE BRN WIRE BRN/WHT WIRE COMP SW COMPUTER DATA LINES SYSTEM DK BLU WIRE DRIVER OUTSIDE REAR VIEW MIRROR GLASS DRIVER OUTSIDE REAR- VIEW MIRROR EMERGENCY SWITCH GMLAN SRL DATA (-) 1 GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GROUND HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED INSIDE REAR VIEW MIRROR INSTRUMENT PANEL JUNCTION BLOCK KEYPAD CTRL KEYPAD GREEN LED KEYPAD GREEN LED IND KEYPAD RED LED IND WIRE KEYPAD RED LED WIRE KEYPAD SIG KEYPAD SIGNAL IND LEFT INSTRUMENT PANEL FUSE BLOCK LOGIC LOW REF LT GRN/BLK WIRE LT GRN/DK BLU WIRE LT GRN/WHT WIRE MIR SIG MIRROR DIMMING ONSTAR SWITCH ORG/ WIRE PHONE SWITCH RED WIRE RED/DK BLU WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK RUN/CRANK IGN 1 VOLTAGE TELEMATICS BUTTON ASSEMBLY TELEMATICS COMMUNICATION INTERFACE CONTROL MODULE TEMP SW VIO WIRE VIO/GRN WIRE W/ ONSTAR WHT WIRE WHT/GRN WIRE YEL WIRE YEL/BRN WIRE YEL/VIO WIRE YEL/WHT WIRE

4.3L, 6.2L, 5.3L 6.6L 3 6.0L 4 5 6 7 8 9 AJAR SW SIG AMBIENT AIR TEMPERATURE SENSOR AMBT AIR TEMP SENS LOW REF AMBT AIR TEMP SENS SIG BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/LT GRN WIRE BLK/VIO WIRE BLK/WHT WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN/GRN WIRE BRN/LT GRN WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/GRY WIRE DOWN DRIVER DOOR LATCH ASSEMBLY ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) ENGINE CONTROLS SYSTEM ENGINE OIL LEVEL SWITCH ENGINE OIL PRESSURE SENSOR FUEL LEVEL SENS LOW REF FUEL LEVEL SENSOR FUEL PUMP, LEVEL SENSOR ASSEMBLY GMLAN SERIAL DATA GRN/BLK WIRE GRY WIRE GRY/WHT WIRE HI SPD GMLAN SERIAL DATA INSTRUMENT PANEL JUNCTION BLOCK LEFT LEFT REAR DOOR LATCH ASSEMBLY LEFT REAR WINDOW SWITCH LF DR AJAR LF DR AJAR SW SIG LIN BUS 12 LIN BUS 3 LIN BUS 4 LOGIC LOGIC DRIVER WINDOW MOTOR LOGIC RIGHT REAR WINDOW SWITCH LOW REF BANK 2 LR DR LT GRN/GRY WIRE LT GRN/YEL WIRE MIRROR AMBIENT AIR TEMPERATURE SENSOR NCA WIRE OIL LEVEL SW SIG OIL PRESSURE SENS 5 VOLT REF OIL PRESSURE SENS SIG OUTSIDE AMBT AIR SENS SIG OUTSIDE AMBT AIR TEMP SENS LOW REF PASSENGER DOOR LATCH ASSEMBLY PASSENGER OUTSIDE REAR VIEW MIRROR PASSENGER WINDOW SWITCH PRIMARY FUEL LEVEL SENS SIG PRIMARY FUEL LEVEL SENSOR PRIMARY FUEL PUMP, LEVEL SENSOR ASSEMBLY PRK BRK SW RF DR RF DR AJAR SW SIG RIGHT RIGHT REAR DOOR LATCH ASSEMBLY (CREW CAB, DOUBLE CAB) RIGHT STEERING WHEEL CONTROLS SWITCH RR DR - SECONDARY FUEL LEVEL SENS SIG SECONDARY FUEL LEVEL SENSOR SECONDARY FUEL PUMP, LEVEL SENSOR ASSEMBLY SELECT SW SIG WHT WIRE WHT/RED WIRE YEL/BRN WIRE

2 HI 4 HI 4 LO ASSIST IND AUTO AUX 1 AUX 2- AUX 3 AUX 4 BASE EQUIPMENT EXCEPT BASE EQUIPMENT BLK WIRE BRAKE IND BRN/BLK WIRE BRN/WHT WIRE COLLISION ALERT IND COMPUTER DATA COMPUTER DATA LINES SYSTEM DRIVER SEAT HEATING, COOLING SWITCH GRN/BLK WIRE GRN/BRN WIRE GRN/WHT WIRE GROUND DISTRIBUTION SYSTEM GRY/GRN WIRE INFO DISPLAY MODULE INSTRUMENT PANEL JUNCTION BLOCK INSTRUMENT PANEL MULTI- FUNCTION SWITCH LANE DEPARTURE LDW/FCA IND CTRL LINES SYSTEM LOGIC LT GRN WIRE LT GRN/GRY WIRE LT GRN/WHT WIRE PARKING PASSENGER SEAT HEATING, COOLING SWITCH RIGHT REAR WINDOW SWITCH TRAILER IND TRANSFER CASE CONTROL MODULE TRANSFER CASE SHIFT CONTROL SWITCH VIO/WHT WIRE WARNING/FORWARD WHT WIRE WINDSHIELD FRONT VIEW CAMERA YEL WIRE

BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLU/GRN WIRE BLU/GRY WIRE BLU/YEL WIRE BRN WIRE COMMON CTRL COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM DRIVER SEAT MEMORY SWITCH EXIT GRN/BLK WIRE GRN/BRN WIRE GRN/VIO WIRE GRN/WHT WIRE GRY/BLK WIRE GRY/GRN WIRE HIGH REF HOT AT ALL TIMES LEFT (-) RIGHT (+) SIG LOGIC LOW REF LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/WHT WIRE MTR FOLD IN CTRL MTR FOLD OUT CTRL NETWORK BUS 8 ORG/BLK WIRE PASSENGER OUTSIDE REAR VIEW MIRROR PASSENGER OUTSIDE REAR VIEW MIRROR CARGO LAMP PASSENGER OUTSIDE REAR VIEW MIRROR COURTESY LAMP PASSENGER OUTSIDE REAR VIEW MIRROR FOLDING MOTOR PASSENGER OUTSIDE REAR VIEW MIRROR GLASS PASSENGER OUTSIDE REAR VIEW MIRROR MOTOR PASSENGER WINDOW SWITCH POSITIVE VOLT RED/BRN WIRE RED/WHT WIRE RED/YEL WIRE RETURN TURN SIGNAL REPEATER LAMP RIGHT (+) LEFT (-) CTRL RIGHT INSTRUMENT PANEL FUSE BLOCK RIGHT MIDDLE SIDE MARKER LAMP RT DR WNDW MTR FUSE SEAT MEMORY CONTROL MODULE SET SIG SET- SWITCH SIG 1 UP (+) DOWN (-) CTRL UP DOWN SIG VIO/WHT WIRE WHT WIRE WHT/VIO WIRE YEL WIRE YEL/RED WIRE YEL/VIO WIRE YEL/WHT WIRE

BLK WIRE BLU WIRE BRN WIRE DEFOGGER SYSTEM DOWN DRIVER OUTSIDE REAR VIEW MIRROR CARGO LAMP DRIVER OUTSIDE REAR VIEW MIRROR COURTESY LAMP DRIVER OUTSIDE REAR VIEW MIRROR FOLDING MOTOR DRIVER OUTSIDE REAR VIEW MIRROR GLASS DRIVER OUTSIDE REAR VIEW MIRROR MOTOR DRIVER OUTSIDE REAR- VIEW MIRROR ELECTROCHROMIC MIRROR CIRCUIT FOLDING CONTROL SWITCH GRN WIRE GRN/BLK WIRE GRY WIRE GRY/WHT WIRE HOT AT ALL TIMES LEFT LEFT INSTRUMENT PANEL FUSE BLOCK LEFT MIDDLE SIDE MARKER LAMP LEFT RIGHT LEFT TURN SIGNAL REPEATER LAMP LOGIC MIR WNDW MDL FUSE MIRROR DIMMING MIRROR MOTOR FOLD IN CTRL MIRROR MOTOR FOLD OUT CTRL OFF OUTSIDE REAR VIEW MIRROR SWITCH RED/VIO WIRE RIGHT VIO WIRE WHT WIRE WHT/GRN WIRE YEL WIRE YEL/VIO WIRE

BLK WIRE DEFOGGER SYSTEM GRN/BLK WIRE GRN/VIO WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/WHT WIRE ORG/BLK WIRE PASSENGER OUTSIDE REAR VIEW MIRROR PASSENGER OUTSIDE REAR VIEW MIRROR CARGO LAMP PASSENGER OUTSIDE REAR VIEW MIRROR COURTESY LAMP PASSENGER OUTSIDE REAR VIEW MIRROR FOLDING MOTOR PASSENGER OUTSIDE REAR VIEW MIRROR GLASS PASSENGER OUTSIDE REAR VIEW MIRROR MOTOR RIGHT MIDDLE SIDE MARKER LAMP RIGHT TURN SIGNAL REPEATER LAMP WHT WIRE WHT/GRN WIRE WHT/VIO WIRE YEL/VIO WIRE

BLK WIRE BLU WIRE BLU/BLK WIRE BRN/BLU WIRE GRN WIRE GRN/BLK WIRE LEFT FRONT DOOR SPEAKER LEFT INSTRUMENT PANEL SPEAKER LEFT REAR DOOR SPEAKER LEFT REAR TRIM PANEL SPEAKER LF SPEAKER (+) (1) LF SPEAKER (-) (1) BATT POSITIVE VOLT LR SPEAKER (+) RADIO RED/VIO WIRE RF SPEAKER (+) (1) RIGHT FRONT DOOR SPEAKER RIGHT INSTRUMENT PANEL SPEAKER RIGHT REAR DOOR SPEAKER RIGHT REAR TRIM PANEL SPEAKER RR SPEAKER (+) W/ ENHANCED AUDIO SPEAKER SYSTEM WHT WIRE YEL WIRE YEL/BLK WIRE

AUXILIARY AUDIO INPUT BACK SIG BATT POS VOLT BLK WIRE BLK/BRN WIRE BLK/GRY WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BRN WIRE BRN/BLU WIRE BRN/GRN WIRE BRN/LT GRN WIRE BUS 12 COMPUTER DATA LINES SYSTEM DIMMING CTRL DOWN DOWN SIG FORWARD SIG GRN WIRE GRN/BLK WIRE GRN/BRN WIRE GROUND GROUND DISTRIBUTION SYSTEM GRY WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/YEL WIRE HOT AT ALL TIMES INSTRUMENT PANEL JUNCTION BLOCK LOGIC LT BLU WIRE LT GRN WIRE LVDS MUTE NCA WIRE NETWORK RED/VIO WIRE RED/YEL WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK RIGHT STEERING WHEEL CONTROLS SWITCH SEATS SYSTEM SEEK DOWN SEEK UP SELECT STR WHL CNTRL FUSE UP SIG USB VIO WIRE VIO/GRY WIRE VOICE W/ FRONT COMPARTMENT FLOOR CUSTOM CONSOLE WHT WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE

5 VOLT REF APPLY SIG AUX CTRL AUXILIARY CHASSIS CONTROL MODULE BATT POS VOLT BLK WIRE BLK/BRN WIRE BLU WIRE BLU/RED WIRE BRK CTRL SIG BRK ENABLE SIG BRN WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE ECM IGN FUSE ENABLE SIG GAIN SIG GRN/BLK WIRE GRN/VIO WIRE GROUND HI SPD GMLAN SERIAL DATA HOT AT ALL TIMES HOT W/ IGNITION MAIN RELAY ENERGIZED ICCM FUSE IGNITION 1 VOLT INSTRUMENT PANEL JUNCTION BLOCK LOW REF POWER DISTRIBUTION SYSTEM PPL/LT GRN WIRE RED/LT GRN WIRE RED/WHT WIRE SERIAL DATA BUS 14 TRAILER BRAKE CONTROL SWITCH TRAILER BRAKE POWER CONTROL MODULE TRLR BRK FUSE UNDERHOOD FUSE BLOCK VIO/LT GRN WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE