GMC Sierra III (2013-2015) blk Wiring diagrams

7 1 2 IGN DATA (-) DATA (+) AUTOMATIC TRANSMISSION ASSEMBLY AUTOMATIC TRANSMISSION FLUID TEMPERATURE (TFT) SENSOR SIGNAL BATT GND BLK WIRE BLK/WHT WIRE BRN/WHT WIRE COMPT, NEAR FAN SHROUD) COMPUTER 5985 2500 2501 2139 2501 2500 DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY DK BLU WIRE DRIVER INFORMATION CENTER (DIC) DISPLAY LOGIC INSTRUMENT CLUSTER ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE GRY/PPL WIRE HOT AT ALL TIMES HOT W/ IGNITION RELAY ENERGIZED IGN IPC FUSE BLOCK FUSE (LOWER LEFT SIDE OF DASH) LOW REFERENCE PARK/NEUTRAL SIG GMLAN DATA BUS (-) GMLAN DATA BUS (+) PC SOLENOID 1 CONTROL PC SOLENOID 2 CONTROL PC SOLENOID 3 CONTROL PC SOLENOID 4 CONTROL PC SOLENOID 5 CONTROL POWER DISTRIBUTION SYSTEM PRESSURE CONTROL (PC) SOLENOID VALVE 1 PRESSURE CONTROL (PC) SOLENOID VALVE 2 PRESSURE CONTROL (PC) SOLENOID VALVE 3 PRESSURE CONTROL (PC) SOLENOID VALVE 4 PRESSURE CONTROL (PC) SOLENOID VALVE 5 RED/GRY WIRE RED/LT GRN WIRE REPLICATED TOS SIGNAL SHIFT SOLENOID (SS) 1 CONTROL SHIFT SOLENOID (SS) 2 CONTROL SHIFT SOLENOID (SS) VALVE 1 SHIFT SOLENOID (SS) VALVE 2 TCM/ECM FUSE TO TRANSMISSION INTERNAL MODE SWITCH (IMS) (DIAGRAM 2 OF 2) TORQUE CONVERTER CLUTCH (TCC) PRESSURE CONTROL (PC) SOLENOID VALVE TORQUE CONVERTER CLUTCH PRESSURE CONTROL SOLENOID CONTROL TOS SIG TOW/ HAUL IND TRANS IGN FUSE 40 TRANSMISSION CONTROL MODULE (TCM) TRANSMISSION FLUID TEMPERATURE (TFT) SENSOR UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VIO/BLK WIRE VIO/YEL WIRE WHT WIRE WHT/GRN WIRE WHT/GRY WIRE

BATTERY BATTERY CURRENT SENSOR (RIGHT REAR OF ENGINE COMPT) BATTERY FUSE BLOCK BLK WIRE BLK/VIO WIRE BLK/WHT WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN WIRE CHARGE IND CHARGE IND CTRL COMPUTER DATA LINES SYSTEM CURRENT SENS LOW REF CURRENT SENS SIG CURRENT SENS DK BLU WIRE DK BLU/VIO WIRE DRIVER INFORMATION CENTER DISPLAY ECM IGN FUSE ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) FUSE FUSE 4 GENERATOR GENERATOR FIELD DUTY CYCLE SIG GRY WIRE GRY/VIO WIRE HI SPD GMLAN SRL DATA (-) (1) HOT W/ IGNITION MAIN RELAY ENERGIZED INSTRUMENT CLUSTER LOGIC LT GRN WIRE MDL/ BATT RVC FUSE MOST SERIAL DATA (+) NEAR FAN SHROUD) PPL PPL/LT GRN WIRE RED WIRE RED/YEL WIRE RUN/CRANK IGN 1 VOLT SPLY VOLT UNDERHOOD FUSE BLOCK (ON POSITIVE BATTERY TERMINAL) VIO WIRE VIO/BLK WIRE WHT WIRE WHT/GRN WIRE WHT/YEL WIRE YEL WIRE

BAT POS VOLT BATT POS VOLT BLK WIRE BLU WIRE BUS 12 COMPUTER DATA LINES SYSTEM GMLAN SERIAL DATA GRN WIRE GRN/BRN WIRE GROUND HOT AT ALL TIMES INFO DISPLAY MODULE RADIO/HVAC DISPLAY CONTROLS INSTRUMENT PANEL JUNCTION BLOCK LEFT STEERING WHEEL CONTROLS SWITCH LOGIC LT GRN WIRE LT GRN/DK BLU WIRE LT GRN/WHT WIRE MUTE VOICE NCA WIRE NETWORK NETWORK BUS 10 NETWORK BUS 9 RADIO PRESETS STEERING WHEEL CONTROLS SWITCH RADIO VOLUME STEERING WHEEL CONTROLS SWITCH RED/GRY WIRE RED/VIO WIRE RED/YEL WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK (IN RIGHT END OF DASH) RIGHT STEERING WHEEL CONTROLS SWITCH SOURCE UP DOWN STEERING WHEEL AIR BAG COIL STR WHL CNTRL FUSE VOL (-) WHT/YEL WIRE YEL/BLU WIRE

16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 GND BLK WIRE BLU (OR DK BLU) WIRE BLU WIRE BLU/BLK (OR DK BLU/BLK) WIRE BLU/BLK WIRE BRN/BLU (OR BRN/DK BLU) WIRE BRN/BLU WIRE CREW CAB GRN WIRE GRN/BLK (OR LT GRN/BLK) WIRE GRN/BLK WIRE LEFT FRONT DOOR SPEAKER LEFT INSTRUMENT PANEL SPEAKER LEFT REAR DOOR SPEAKER LEFT REAR TRIM PANEL SPEAKER RADIO RED/VIO WIRE RIGHT FRONT DOOR SPEAKER RIGHT INSTRUMENT PANEL SPEAKER RIGHT REAR DOOR SPEAKER RIGHT REAR TRIM PANEL SPEAKER RT REAR SPEAKER (+) LT REAR SPEAKER (+) RF SPEAKER (+) (1) LF SPEAKER (+) (1) WHT WIRE YEL WIRE YEL/BLK WIRE

13 14 15 3 STP LP SW SIG SENS LO REF 5 VOLT REF BATT POSITIVE VOLT 28 27 2500 2501 GMLAN HI-SPD (+) GMLAN HI-SPD (-) 6.0L 6.0L 6.6L 66 46 2500 2501 GMLAN HI-SPD (+) GMLAN HI-SPD (-) 8 9 GMLAN HI-SPD (+) GMLAN HI-SPD (-) AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION INTERNAL MODE SWITCH AUTOMATIC TRANSMISSION INTERNAL MODE SWITCH (IMS) AUTOMATIC TRANSMISSION INTERNAL MODE SWITCH (IMS) P/N SWITCH AUTOMATIC TRANSMISSION SHIFT LOCK CONTROL SOLENOID BCM FUSE 15 BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) BRAKE PEDAL POSITION SENSOR BRN WIRE COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY DRIVE MOTOR GENERATOR (RIGHT REAR OF ENGINE COMPT) ENGINE CONTROL MODULE (ECM) (6.0L) (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD) ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD) GROUND GRY WIRE HOT AT ALL TIMES IMS GROUND INSTRUMENT PANEL FUSE BLOCK (LEFT SIDE OF DASH) LT GRN WIRE ORG/BLK WIRE P/N SIGNAL P/N SWITCH RED/WHT WIRE SHIFT LOCK SOL SUPPLY VOLT TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRANSMISSION CONTROL MODULE TRANSMISSION CONTROL MODULE (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD) TRANSMISSION CONTROL SOLENOID VALVE ASSEMBLY CONTROL MODULE (TCM) TRANSMISSIONS SYSTEM W/ TWO SPEED PUSH BUTTON, ELECTRIC SHIFT CONTROL TRANSFER CASE W/O TWO SPEED PUSH BUTTON, ELECTRIC SHIFT CONTROL TRANSFER CASE WHT WIRE YEL WIRE

AUTOMATIC TRANSMISSION ASSEMBLY BATTERY BATTERY FUSE BLOCK (ENGINE COMPTT TOP FUSE 4 RIGHT) BLK WIRE BLK/WHT WIRE BLOCK DLIS FUSE BLU WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) CHARGING CIRCUIT COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY DK BLU WIRE ECM IGN FUSE ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD) GRY WIRE HIGH SPEED GMLAN SERIAL DATA (-) (1) HOT W/ IGNITION MAIN RELAY ENERGIZED I/P BEC 2 FUSE IGNITION SWITCH LT GRN WIRE OFF PPL PPL/LT GRN WIRE RED WIRE RED/BLU WIRE RUN WIRE RUN/CRANK IGN 1 VOLT STARTER ENABLE RELAY CTRL STARTER MOTOR STARTER RELAY STRTR FUSE SWITCH TRANSMISSION INTERNAL MODE TRANSMISSION PARK/ NEUTRAL SIGNAL 1 UNDERHOOD FUSE BLOCK (ON POSITIVE BATTERY TERMINAL) VIO/BLK WIRE WHT WIRE WHT/GRY WIRE YEL WIRE YEL/BLK WIRE

AIR BAG/ INFO FUSE BLK WIRE BLK/ORG WIRE BLK/WHT WIRE BRN/ORG WIRE COMPUTER DATA DLC/ DSM FUSE HOT AT ALL TIMES LEFT FRONT IMPACT SENSOR LEFT INSTRUMENT PANEL FUSE BLOCK (LEFT END OF DASH) LEFT REAR SIDE IMPACT SENSOR (IN LEFT REAR DOOR) LEFT ROOF RAIL AIR BAG LINES SYSTEM LO SPD GMLAN LT GRN WIRE ORG/BLK WIRE ORG/BLU WIRE ORG/GRN WIRE ORG/LT GRN WIRE ORG/VIO WIRE ORG/YEL WIRE PASSENGER PRESENCE MODULE (UNDER FRONT OF FRONT PASSENGER SEAT CUSHION) PASSENGER SEAT BELT TENSION SENSOR RED WIRE RED/LT GRN WIRE RIGHT FRONT IMPACT SENSOR RIGHT INSTRUMENT PANEL FUSE BLOCK RIGHT REAR SIDE IMPACT SENSOR (IN RIGHT REAR DOOR) SENS SIG SENS VOL REF SHORTING BAR VIO/ORG WIRE

AIR BAG IND AIR BAG OFF IND AIR BAG ON IND BLK WIRE BLK/WHT WIRE BRN WIRE BRN/ORG WIRE COMPUTER DATA LINES SYSTEM DISPLAY DK BLU WIRE DK BLU/ORG WIRE DK BLU/YEL WIRE GRY WIRE GRY/ORG WIRE HI SPD GMLAN INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (UNDER DRIVER'S SEAT) INSTRUMENT CLUSTER INSTRUMENT PANEL JUNCTION BLOCK LO SPD GMLAN SERIAL DATA LOGIC LT GRN WIRE ORG/ WIRE ORG/LT GRN WIRE ORG/VIO WIRE ORG/WHT WIRE PASS AIR BAG OFF IND PASS MOD SW SIG PASS MOD SW RETRN LOW SPD GMLAN SERIAL DATA PASS SEAT BELT IND PASS AIR BAG ON IND PASSENGER AIR BAG DISABLE INDICATOR PASSENGER INSTRUMENT PANEL AIR BAG PNK WIRE PPL RED/LT GRN WIRE ROLLOVER PROTECTION DISABLE SWITCH SD COMM ENABLE SD COMM ENABLE HI SPD GMLAN (+) GND SEAT BELT IND SEAT BELT ON IND SHORTING BAR STEERING WHEEL AIR BAG STEERING WHEEL AIR BAG COIL TAN WIRE VIO/ORG WIRE VIO/WHT WIRE WHT WIRE WHT/DK BLU WIRE WHT/ORG WIRE YEL WIRE YEL/ORG WIRE

1 2 3 4 5 6 7 8 9 10 11 12 BATT POSITIVE VOLT BATT POSITIVE VOLT BK USB BLK WIRE BLU/VIO WIRE BRN WIRE BRN/GRY WIRE COMPUTER DATA LINES SYSTEM ENABLE SIG ENTERTAINMENT REMOTE GRN/WHT WIRE GRY/VIO WIRE HOT AT ALL TIMES HUMAN MACHINE INTERFACE CONTROL MODULE INFO DISPLAY MODULE INSTRUMENT PANEL JUNCTION BLOCK LT GRN WIRE LT GRN/YEL WIRE LVDS MEDIA DISC PLAYER MOST CONTROL LOW SPEED GMLAN SERIAL DATA NCA WIRE RED/LT GRN WIRE RED/VIO WIRE RIGHT INSTRUMENT PANEL FUSE BLOCK (IN RIGHT END OF DASH) RSE FUSE SIG GND USB WHT WIRE WHT/GRN WIRE WHT/VIO WIRE YEL WIRE

AUDIO/VIDEO INPUT ADAPTER AUXILIARY AUDIO AUXILIARY VIDEO HI SIG AUXILIARY VIDEO LO SIG BATT POSITIVE VOLT BLK WIRE BLU/VIO WIRE BRN WIRE BRN/GRY WIRE COMMON SIG GRN/WHT WIRE HEADPHONE HOT AT ALL TIMES INSTRUMENT PANEL JUNCTION BLOCK LEFT AUXILIARY AUDIO SIG 1 LOGIC LR SEAT AUDIO HEADPHONE SIG NCA WIRE RDO FUSE REAR SEAT AUDIO RED/VIO WIRE RIGHT AUXILIARY AUDIO SIG 1 RIGHT INSTRUMENT PANEL FUSE BLOCK (IN RIGHT END OF DASH) RR SEAT AUDIO HEADPHONE SIG USB WHT WIRE YEL WIRE