GMC Sierra III facelift (2015-2018) red/yel Wiring diagrams

ACT FORWARD CTRL ADJUSTABLE PEDAL MOTOR ADJUSTABLE PEDAL POSITION SENSOR BLK WIRE BLK/BLU WIRE BLK/GRY WIRE BLU WIRE BLU/GRN WIRE COMPUTER DATA LINES SYSTEM DLC/DSM FUSE DRIVER SEAT MEMORY SWITCH DRVR PWR SEAT FUSE EXIT FORWARD SIG GRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE HIGH REF HOT AT ALL TIMES INSTRUMENT PANEL JUNCTION BLOCK INSTRUMENT PANEL MULTI- FUNCTION SWITCH LEFT INSTRUMENT PANEL FUSE BLOCK LOW REF LOW REFERENCE LOW SPD GMLAN LT GRN/VIO WIRE NETWORK BUS 8 PEDAL SENS SIG POSITIVE VOLT REARWARD CTRL REARWARD SIG RED/BRN WIRE RED/YEL WIRE SEAT MEMORY CONTROL MODULE SET SIG SET- SWITCH SIG 1 WHT WIRE WHT/GRY WIRE WHT/RED WIRE YEL WIRE

2/- ABS PUMP FUSE ABS VLV FUSE BATT POSITIVE VOLT BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/YEL WIRE BRAKE BOOSTER VACUUM SENSOR BRAKE FLUID LEVEL SENS SIG BRAKE FLUID LEVEL SWITCH BRAKE PRESSURE MODULATOR BRAKE VACUUM SENS 5 VOLT REF BRAKE VACUUM SENS LOW REF BRAKE VACUUM SENS SIG CMBD VHCE IN SENS SPLY VOLT COMPUTER DATA LINES SYSTEM DK BLU WIRE ELECTRONIC BRAKE CONTROL MODULE (ON LEFT SIDE OF FRAME ASSEMBLY) EXCEPT BASE EQUIPMENT BASE EQUIPMENT GMLAN GMLAN SERIAL DATA - 1 GMLAN SERIAL DATA 2 GRN/GRY WIRE GRY WIRE GRY/BLK WIRE GRY/BRN WIRE GRY/WHT WIRE GRY/YEL WIRE HOT AT ALL TIMES INSTRUMENT PANEL JUNCTION BLOCK LEFT FRONT WHEEL SPEED SENSOR LEFT REAR WHEEL SPEED SENSOR LF WHL SPD SENS CTRL LF WHL SPD SENS SIG LR WHL SPD SENS CTRL LR WHL SPD SENS SIG LT GRN/BRN WIRE LT GRN/GRY WIRE NCA WIRE RED/VIO WIRE RED/YEL WIRE RF WHL SPD SENS CTRL RF WHL SPD SENS SIG RR WHL SPD SENS CTRL RR WHL SPD SENS SIG SENS SERIAL DATA COMM ENABLE SPLY VOLT STEERING WHEEL ANGLE SENSOR (ON STEERING COLUMN) UNDERHOOD FUSE BLOCK VEHICLE SPD SIG VIO WIRE WHT WIRE WHT/DK BLU WIRE YEL WIRE YEL/PPL WIRE YEL/RED WIRE

12 VOLT REFERENCE A/C CMPRSR MDL/BATT RVC FUSE ACCESSORY VOLT ACCESSORY WAKEUP SER DATA ANTI-LOCK BRAKES SYSTEM ANTI-THEFT SYSTEM BATT POSITIVE VOLT BLK WIRE BLK/GRY WIRE BLK/WHT WIRE BLU/GRY WIRE BLU/VIO WIRE BLU/WHT WIRE BLU/YEL WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN/GRN WIRE BRN/GRY WIRE BRN/LT GRN WIRE BRN/VIO WIRE BRN/WHT WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM COURTESY LAMP SW SIG CRUISE CONTROL SYSTEM CRUISE CONTROL SYSTEM WIPER/WASHER SYSTEM CTRL SW SIG CURRENT SENS CTRL CURRENT SENS SIG DIMMER SW HIGH BEAM SIG DK BLU WIRE DOOR LOCK ACTUATOR UNLOCK CTRL DOOR LOCK CONTROL DOOR LOCK CTRL 2 DOOR LOCK KEY SW UNLOCK SIG DOOR LOCKS, ANTI-THEFT SYSTEMS DOOR LOCKS, ANTI-THEFT, INTERIOR LIGHTS SYSTEMS DRIVER DOOR LOCK MTR STATUS ELECTRONIC MUFFLERS SYSTEM EXHAUST BRAKE SW CTRL EXTERIOR LIGHTS, INTERIOR LIGHTS SYSTEMS GAP UP/DOWN SW SIG GRN WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/VIO WIRE GRN/WHT WIRE GROUND GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/VIO WIRE GRY/YEL WIRE HAZARD SW LEFT TURN SIG HAZARD SWITCH RIGHT TURN SIG HDLP SW FLASH TO PASS SIG HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM HORNS SYSTEM HI SPEED GMLAN SER DATA (-) 1 HOOD AJAR SW SIG HORN SW SIG HOT AT ALL TIMES IGNITION KEY RESISTOR SIG IGNITION SWITCH IMMOBILIZER RETURN IMMOBILIZER SUPPLY VOLT INADVERTENT POWER CTRL INTERIOR LP CTRL KEY-IN IGNITION SWITCH LED AMBIENT LIGHTING CTRL LED BACK LT DIMMING CTRL LEFT FRONT DOOR AJAR SW SIG WIRELESS CHARGING SYSTEM CHARGE IND CTRL LF DRL CTRL LH DETECTION SIG LH HDLMP LOW BEAM CTRL LIN BUS 3 LIN INTERCONNECT NTWRK BUS 2 LIN INTERCONNECT NTWRK BUS 3 LOCK CTRL LOCK SW SIG 16 17 TRAILER BRAKE APPLY SIG LOW REFERENCE LOW SPEED GMLAN SERIAL DATA LT GRN WIRE LT GRN/VIO WIRE LT GRN/YEL WIRE MOTOR STATUS SIG NETWORK BUS 11 NETWORK BUS 5 OFF OFF/RUN/CRANK VOLT PASS SEAT VENT MTR CTRL 1 POWER DISTRIBUTION SYSTEM PUDDLE LAMP CTRL RAP RELAY COIL CTRL REAR LICENSE LP CTRL RED/YEL WIRE RELAY COIL SUPPLY VOLT RF DOOR AJAR SW SIG RF TURN SIG LP CTRL RH DETECTION SIG RH HDLMP LOW BEAM CTRL RR LK MTR STATUS SIG RR TURN SIG LP CTRL RUN WIRE RUN/CRANK IGNITION 1 VOLT RUN/CRANK RELAY COIL CTRL SEATS SYSTEM SELECT SW PERFORMANCE SIG SERIAL DATA COMM ENABLE SET/COAST/RESUME/ ACCELERATE SW SIG SHIFT INTERLOCK SOLENOID CTRL SHIFT INTERLOCK SYSTEM SIG GROUND STANDING LAMP RLY CTRL STARTING/CHARGING SYSTEM STOP LP RLY COIL CTRL TAP UP/TAP DOWN SW SIG TRANSMISSIONS SYSTEM UNDERHOOD FUSE BLOCK UNLOCK CTRL VIO/BLK WIRE VIO/BLU WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/DK BLU WIRE WHT/GRN WIRE WHT/RED WIRE WHT/VIO WIRE WHT/YEL WIRE WINDSHIELD WASHER RLY CTRL WINDSHIELD WASHER SW SIG WINDSHIELD WIPER SW LOW SIG WIPER MTR PARK SW SIG WIPER SW HIGH SIG WIPER/WASHER SYSTEM WIPER/WASHER SYSTEM POWER DISTRIBUTION SYSTEM YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE YEL/VIO WIRE YEL/WHT WIRE

BATTERY FUSE BLOCK BLK WIRE BRN/VIO WIRE BRN/YEL WIRE COMPUTER DATA LINES SYSTEM DRIVER OUTSIDE REAR VIEW MIRROR GLASS DRIVER OUTSIDE REAR- VIEW MIRROR FUSE 2 GRN WIRE HOT AT ALL TIMES HTD MIR FUSE HVAC CONTROL MODULE (BEHIND THE UPPER GLOVE BOX) INFO DISPLAY MODULE J124 (EXCEPT 6.6L) J123 (6.6L) LOGIC LOW SPEED GMLAN SERIAL DATA LT GRN WIRE PASSENGER OUTSIDE REAR VIEW MIRROR PASSENGER OUTSIDE REAR VIEW MIRROR GLASS POWER DISTRIBUTION SYSTEM REAR DEFOG FUSE REAR DEFOGGER GRID REAR DEFOGGER IND REAR DEFOGGER RELAY REAR DEFOGGER RLY CTRL REAR DEFOGGER SWITCH RED/GRN WIRE RED/YEL WIRE UNDERHOOD FUSE BLOCK

ADJUSTABLE PEDAL CIRCUIT BLK WIRE BLK/BLU WIRE BLK/GRY WIRE BLU WIRE BLU/GRN WIRE BLU/VIO WIRE BLU/YEL WIRE BRN WIRE BRN/WHT WIRE DLC/DSM FUSE DOWN DOWN SW SIG DRIVER LEFT REAR SEAT HAPTIC MOVEMENT MOTOR DRIVER RIGHT REAR SEAT HAPTIC MOVEMENT MOTOR DRIVER SEAT LUMBAR SUPPORT HORIZONTAL MOTOR DRIVER SEAT LUMBAR SUPPORT PUMP DRIVER SEAT MEMORY SWITCH DRIVER SEAT RECLINE MOTOR DRVR PWR SEAT FUSE EXIT FORWARD SIG FORWARD SW SIG GRN WIRE GRN/BRN WIRE GRN/GRY WIRE GRN/YEL WIRE GRY/BLK WIRE GRY/GRN WIRE HIGH REF (2) HOT AT ALL TIMES LEFT INSTRUMENT PANEL FUSE BLOCK LOW REF PEDAL SENS SIG POSITION SENS SIG POSITIVE VOLT REARWARD SIG REARWARD SW SIG RED/BRN WIRE RED/YEL WIRE RWD SEAT MEMORY CONTROL MODULE SEAT MOTOR CONTROL SET SIG SET- SWITCH SIG 1 UP SW SIG UP SW SIG DOWN SW SIG VIO WIRE W/ LUXURY EDITION PACKAGE W/O LUXURY EDITION PACKAGE WHT WIRE WHT/BLK WIRE WHT/GRY WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/BRN WIRE

A/C CMPRSR MDL/BATT RVC FUSE BATT POS VOLT BLK WIRE BODY CONTROL MODULE COMPUTER DATA LINES SYSTEM DRIVER INFORMATION CENTER DISPLAY EXHAUST BRAKE IND EXHAUST BRK SW CTRL EXHAUST BRK SW SIG GRN/WHT WIRE GRN/YEL WIRE GRY/GRN WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER INSTRUMENT PANEL MULTI- FUNCTION SWITCH LOGIC LOW SPD GMLAN RED/YEL WIRE SER DATA UNDERHOOD FUSE BLOCK WHT 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 BLK/BRN WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE COMMON CTRL COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM DLC/DSM FUSE 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 DRVR PWR SEAT FUSE GRN WIRE GRN/WHT WIRE GRY WIRE GRY/BRN WIRE GRY/GRN WIRE GRY/WHT WIRE HIGH REFERENCE HOT AT ALL TIMES LEFT LEFT (-) RIGHT (+) SIG LEFT INSTRUMENT PANEL FUSE BLOCK LEFT MIDDLE SIDE MARKER LAMP LEFT TURN SIGNAL REPEATER LAMP LOGIC LOW REFERENCE LT BLU WIRE LT GRN/WHT WIRE MIR WNDW MDL FUSE MIRROR DIMMING MIRRORS SYSTEM MTR FOLD IN CTRL MTR FOLD OUT CTRL NETWORK BUS 8 OUTSIDE REAR VIEW MIRROR SWITCH RED/BRN WIRE RED/VIO WIRE RED/YEL WIRE RIGHT RIGHT (+) LEFT (-) CTRL RWD UP (+) DOWN (-) CTRL VIO/BLU WIRE VIO/GRY WIRE VIO/RED WIRE WHT WIRE WHT/GRN WIRE WHT/VIO WIRE WHT/YEL WIRE YEL WIRE YEL/BRN WIRE

6.0L 6.0L (VIN G) ACC IGN VOLT AUXILIARY CHASSIS CONTROL MODULE BASE EQUIPMENT EXCEPT BASE EQUIPMENT BLK WIRE BODY CONTROL MODULE CHASSIS CONTROL MODULE CHG IND CTRL DK BLU WIRE DLIS FUSE DRIVER SEAT ADJUSTER SWITCH DRIVER WINDOW MOTOR DRVR PWR SEAT FUSE ECM IGN FUSE ENGINE CONTROL MODULE ENGINE CONTROLS IGNITION RELAY EXTENDED CAB CREW CAB FROM ACCY PWR MDL/TPIM PUMP FUSE (DIAGRAM 3 OF 7) FROM LEFT INSTRUMENT PANEL FUSE BLOCK (DIAGRAM 6 OF 7) FROM UNDERHOOD FUSE BLOCK (DIAGRAM 3 OF 7) FRONT AXLE ENGAGEMENT ACTUATOR FUEL PUMP 2 FUSE FUEL PUMP DRIVER CONTROL MODULE GARAGE DOOR OPENER GLOW PLUG CONTROL MODULE GRN WIRE GRN/VIO WIRE IGNITION MAIN RELAY IGNITION SWITCH J124 (6.0L) J123 (6.6L) KEY-IN IGNITION SWITCH LEFT INSTRUMENT PANEL FUSE BLOCK LEFT REAR WINDOW SWITCH LT DRS FUSE MISC IGN FUSE MOBILE DEVICE WIRELESS CHARGER MODULE OFF PNK WIRE PPL/LT GRN WIRE RED WIRE RED/BLU WIRE RED/DK BLU WIRE RED/YEL WIRE ROOF BEACON SWITCH RUN WIRE SEAT MEMORY CONTROL MODULE SECONDARY FUEL PUMP RELAY TO CONFIGURABLE PROVISION RELAY 4 (DIAGRAM 7 OF 7) TO PRK ENBL/ EAP FUSE (DIAGRAM 6 OF 7) TRANS IGN FUSE TRANSMISSION CONTROL MODULE UGDO/ ISRVM FUSE UNDERHOOD FUSE BLOCK VIO/BLK WIRE VIO/LT GRN WIRE VIO/WHT WIRE VIO/YEL WIRE W/ ROOF MOUNTED PROVISION W/O ROOF MOUNTED PROVISION WHT/BLK WIRE WHT/VIO WIRE

6.0L 6.0L (VIN B) 6.0L (VIN G) A/C COMPRESSOR CLUTCH RELAY A/T ABS PUMP FUSE ABS VLV FUSE AC CLTCH FUSE ACCY PWR MDL/TPIM PUMP FUSE AHA/AHA RVC (6.0L) A/C CMPRSR MDL/BATT RVC (6.6L) FUSE ALTERNATIVE FUEL FUSE HOLDER 1 ALTERNATIVE FUEL FUSE HOLDER 2 ALTERNATIVE FUEL INJECTOR RELAY ALTERNATIVE FUEL SYSTEM DATA CONNECTOR ASSIST STEP CONTROL MODULE AUXILIARY CHASSIS CONTROL MODULE BASE EQUIPMENT BLUNT CUT) BODY CONTROL MODULE CHASSIS CONTROL MODULE CNG CONTROL MODULE ELC RNG BDS FUSE ELEC PRK BRK FUSE ELECTRONIC BRAKE CONTROL MODULE ENGINE CONTROL MODULE ESC ELC EXH FUSE EVAPORATIVE EMISSION VENT SOLENOID VALVE EXCEPT BASE EQUIPMENT FPPM FUSE FROM AUXILIARY BATTERY FUSE BLOCK (DIAGRAM 1 OF 7) FROM BATTERY FUSE BLOCK (DIAGRAM 1 OF 7) FRONT FOG LAMP RELAY FRT/WPR FUSE FUEL HEATER FUSE FUEL HEATER RELAY FUEL PUMP DRIVER CONTROL MODULE FUEL PUMP FUSE FUEL PUMP RELAY FUSE HEADLAMP HIGH BEAM RELAY HORN RELAY I/P BEC 1 FUSE I/P BEC 2 FUSE ICCM FUSE INSTRUMENT PANEL JUNCTION BLOCK INT HTR FUSE LEFT TRAILER STOP/TURN SIGNAL LAMP RELAY LT GRN WIRE MSB DRVR FUSE MSB PASS FUSE REAR DEFOGGER RELAY RED WIRE RED/BRN WIRE RED/DK BLU WIRE RED/GRN WIRE RED/GRY WIRE RED/LT GRN WIRE RED/VIO WIRE RED/WHT WIRE RED/YEL WIRE REDUCTANT CONTROL MODULE RIGHT TRAILER STOP/TURN SIGNAL LAMP RELAY STARTER RELAY STOP LAMP RELAY STRTR FUSE SUSPENSION CONTROL MODULE TCM/ECM FUSE TO AUXILIARY BATTERY RELAY 1 (DIAGRAM 1 OF 7) TO ENGINE CONTROLS IGNITION RELAY (DIAGRAM 2 OF 7) TO LEFT INSTRUMENT PANEL FUSE BLOCK (DIAGRAM 2 OF 7) TO LEFT INSTRUMENT PANEL FUSE BLOCK (DIAGRAM 4 OF 7) TRAILER BACKUP LAMPS RELAY TRAILER BRAKE POWER CONTROL MODULE TRAILER BRAKE PROVISION TRAILER CAMPER PROVISION TRAILER CONNECTOR TRAILER PARK LAMPS RELAY TRANSFER CASE CONTROL MODULE TRANSMISSION CONTROL MODULE TRLR BATT FUSE TRLR BRK FUSE UNDERHOOD FUSE BLOCK W/ AUXILIARY BATTERY W/ SPECIAL EQUIPMENT W/O AUXILIARY BATTERY W/O SPECIAL EQUIPMENT WINDSHIELD WASHER PUMP RELAY WINDSHIELD WIPER RELAY WINDSHIELD WIPER SPEED CONTROL RELAY