GMC Sierra III (2013-2015) ground Wiring diagrams

10 11 13 14 DATA BUS + DATA BUS - DATA BUS - DATA BUS + 14 13 15 LOW REF STP CP SW SIG 5 VOLT REF 42 26 54 22 58 38 LOW REF BRK APPLY SENS SPLY SUPPLY VOLT 6.0L APP SEN 1 SIG LOW REF APP SEN 2 SIG LOW REF VSS LO SIG VSS HI SIG PPL AUTOMATIC TRANSMISSION (A/T) BATT + BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) BRAKE PEDAL POSITION (BPP) SENSOR BRN WIRE COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY CRUISE CONTROL IND DIMMING SIG CRUISE CONTROL SWITCH SIGNAL CRUISE IND CRUISE SWITCH DIM FUSE 7 DK BLU WIRE DK GRN WIRE ECM BATT FUSE 12 ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD) EXCEPT 6.0L GRN WIRE GRN/WHT WIRE GROUND GROUND DISTRIBUTION SYSTEM GRY WIRE HI SPD GMLAN SER DATA BUS- HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE OF DASH, INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL (BEHIND STEERING WHEEL) INPUT SHAFT SPEED SENSOR (ISS) INPUT SPEED SENSOR (ISS) SIGNAL INSTRUMENT PANEL CLUSTER (IPC) IPC FUSE 46 ISS/OSS SUPPLY VOLTAGE LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LEFT STEERING WHEEL CONTROL SWITCH ASSEMBLY LOGIC LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE OUTPUT SHAFT SPEED SENSOR (OSS) OUTPUT SPEED SENSOR (OSS) SIGNAL PNK PNK WIRE PNK TRANSMISSIONS SYSTEM COLUMN HARNESS) WIRE PNK WIRE PNK/BLK WIRE POWER DISTRIBUTION SYSTEM PPL PPL/WHT WIRE RED WIRE RED/WHT WIRE RES+ SER DATA SET- SOUND SYSTEMS TAN WIRE TAN/BLK WIRE TP SENS 1 SIG LOW REF TP SENS 2 SIG TAC MOTOR CTRL 2 TAC MOTOR CTRL 1 TRANSMISSION CONTROL MODULE (TCM) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) W/ 2 SPEED MANUAL TRANSFER CASE WHT WIRE WHT/BLK WIRE YEL WIRE

10 11 13 14 DATA BUS + DATA BUS - DATA BUS - DATA BUS + 14 13 15 LOW REF STP CP SW SIG 5 VOLT REF 42 26 54 22 58 38 LOW REF BRK APPLY SENS SPLY SUPPLY VOLT 6.0L APP SEN 1 SIG LOW REF APP SEN 2 SIG LOW REF VSS LO SIG VSS HI SIG PPL AUTOMATIC TRANSMISSION (A/T) BATT + BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) BRAKE PEDAL POSITION (BPP) SENSOR BRN WIRE COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY CRUISE CONTROL IND DIMMING SIG CRUISE CONTROL SWITCH SIGNAL CRUISE IND CRUISE SWITCH DIM FUSE 7 DK BLU WIRE DK GRN WIRE ECM BATT FUSE 12 ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD) EXCEPT 6.0L GRN WIRE GRN/WHT WIRE GROUND GROUND DISTRIBUTION SYSTEM GRY WIRE HI SPD GMLAN SER DATA BUS- HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE OF DASH, INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL (BEHIND STEERING WHEEL) INPUT SHAFT SPEED SENSOR (ISS) INPUT SPEED SENSOR (ISS) SIGNAL INSTRUMENT PANEL CLUSTER (IPC) IPC FUSE 46 ISS/OSS SUPPLY VOLTAGE LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LEFT STEERING WHEEL CONTROL SWITCH ASSEMBLY LOGIC LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE OUTPUT SHAFT SPEED SENSOR (OSS) OUTPUT SPEED SENSOR (OSS) SIGNAL PNK PNK WIRE PNK TRANSMISSIONS SYSTEM COLUMN HARNESS) WIRE PNK WIRE PNK/BLK WIRE POWER DISTRIBUTION SYSTEM PPL PPL/WHT WIRE RED WIRE RED/WHT WIRE RES+ SER DATA SET- SOUND SYSTEMS TAN WIRE TAN/BLK WIRE TP SENS 1 SIG LOW REF TP SENS 2 SIG TAC MOTOR CTRL 2 TAC MOTOR CTRL 1 TRANSMISSION CONTROL MODULE (TCM) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) W/ 2 SPEED MANUAL TRANSFER CASE WHT WIRE WHT/BLK WIRE YEL WIRE

14 13 15 LOW REF STP CP SW SIG 5 VOLT REF 2501 2500 1164 1161 1271 COMPUTER DATA LINES SYSTEM 38 5 15 LOW REF BRK APPLY SENS SPLY SUPPLY VOLT 46 66 42 61 55 SER DATA BUS- SER DATA BUS+ 56 57 MOTOR CTRL 2 MOTOR CTRL-1 ACCELERATOR PEDAL POSITION (APP) SENSOR (ABOVE ACCELERATOR PEDAL) APP SEN 1 SIG LOW REF APP SEN 2 SIG LOW REF PPL BATT + BLK WIRE BLK/WHT WIRE BRAKE PEDAL POSITION (BPP) SENSOR BRN WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL IND DIMMING SIG CRUISE CONTROL SWITCH SIGNAL CRUISE IND CRUISE SWITCH DK BLU WIRE DK GRN WIRE ECM BATT FUSE 11 ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD) GMLAN DATA BUS- GRN/WHT WIRE GROUND GROUND DISTRIBUTION SYSTEM GRY WIRE HI SPD GMLAN SER DATA BUS- HOT AT ALL TIMES HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE OF DASH) DIM FUSE 7 INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL (BEHIND STEERING WHEEL) INSTRUMENT PANEL CLUSTER (IPC) IPC FUSE 43 LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LEFT STEERING WHEEL CONTROL SWITCH ASSEMBLY LOGIC LOW REF LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE NCA WIRE PNK WIRE PNK/BLK WIRE POWER DISTRIBUTION SYSTEM PPL PPL/WHT WIRE RED/WHT WIRE RES+ SER DATA SET- SOUND SYSTEMS TAN WIRE TAN/BLK WIRE TP SENS SIG TRANSMISSION CONTROL MODULE (TCM) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VEHICLE SPEED SENSOR (VSS) (REAR OF TRANSMISSION) VSS HI SIG VSS LO SIG W/ TWO SPEED PUSH BUTTON, ELECTRIC SHIFT CONTROL TRANSFER CASE W/O TWO SPEED PUSH BUTTON, ELECTRIC SHIFT CONTROL TRANSFER CASE WHT WIRE WHT/BLK WIRE YEL WIRE

7 3 SUPPLY VOLT LOW REF BATT POS VOLT BLK WIRE COMPUTER DATA LINES SYSTEM DDM FUSE 4 DK GRN WIRE DRIVER DOOR LOCK/ WINDOW SWITCH DRIVER OUTSIDE REARVIEW MIRROR GMLAN SERIAL DATA GRN WIRE GROUND GROUND DISTRIBUTION SYSTEM HOT AT ALL TIMES HVAC CONTROL MODULE I/P FUSE BLOCK (LEFT SIDE OF DASH, LOGIC LOW REF ORG/ WIRE PASSENGER DOOR LOCK/WINDOW SWITCH PASSENGER OUTSIDE REARVIEW MIRROR PDM FUSE 9 POWER DISTRIBUTION SYSTEM REAR DEFOGGER IND REAR DEFOGGER SWITCH RED WIRE RED/WHT WIRE RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) SERIAL DATA SUPPLY VOLT WHT WIRE

ACCESSORY VOLTAGE B+ VOLT BLK WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) BRN WIRE BRN/WHT WIRE CREW CAB DK BLU WIRE DK GRN WIRE DOWN DOWN SIG DRIVER WINDOW MOTOR (INSIDE DRIVER'S DOOR) DRIVER WINDOW SWITCH EXPRESS GROUND HOT AT ALL TIMES HOT AT ALL TIMES LT DR CIRCUIT BREAKER I/P FUSE BLOCK (LEFT SIDE OF DASH, ILLUMINATION LEFT FRONT WINDOW SWITCH LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LEFT REAR WINDOW MOTOR (IN LEFT REAR DOOR) LEFT REAR WINDOW SWITCH LF DOWN CTRL LF UP CTRL LOCKOUT RR CTRL LOCKOUT SIG LOGIC LOGIC B+ DOWN LR DOWN CTRL SIG LR DOWN SIG LR UP CTRL LR UP SIG LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE PASS DOWN SIG PASS UP SIG PASSENGER WINDOW MOTOR (INSIDE PASSENGER'S DOOR) PASSENGER WINDOW SWITCH PPL PPL RR DOWN SIG RED/WHT WIRE RF DOWN CTRL RF UP CTRL RIGHT FRONT WINDOW SWITCH RIGHT REAR WINDOW MOTOR (IN RIGHT REAR DOOR) RIGHT REAR WINDOW SWITCH RR DOWN CTRL RR DOWN SIG RR UP CTRL RR UP SIG RT DOORS CIRCUIT SIG TAN WIRE UP PPL LR DOWN SIG UP SIG WHT WIRE WINDOW SWITCH (RIGHT REAR) YEL WIRE

B+ VOLT BLK WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) BRN WIRE BRN/WHT WIRE CREW CAB DK BLU WIRE DK GRN WIRE DOWN DRIVER DOOR LOCK/WINDOW SWITCH DRIVER WINDOW MOTOR (INSIDE DRIVER'S DOOR) EXPRESS EXPRESS B+ VOLT GROUND GROUND DISTRIBUTION SYSTEM HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE OF DASH, ILLUMINATION LEFT FRONT WINDOW SWITCH LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LEFT REAR WINDOW MOTOR (IN LEFT REAR DOOR) LEFT REAR WINDOW SWITCH LF DOWN CTRL LF UP CTRL LO SPD SERIAL DATA LO-SPEED SERIAL DATA LOCKOUT IND LOCKOUT SWITCH LOGIC LOGIC B+ LOGIC SIGNAL LR DOWN CTRL LR UP CTRL LR UP SIG LT BLU/WHT WIRE LT DR CIRCUIT BREAKER LT GRN WIRE PASSENGER DOOR LOCK/WINDOW SWITCH PASSENGER WINDOW MOTOR (INSIDE PASSENGER'S DOOR) PPL PPL LR DOWN SIG PPL PWR WND SWITCH RR DOWN SIGNAL PWR WND LOCKOUT RR CTRL PWR WND LOCKOUT RR SIG PWR WND MOTOR RF DOWN CTRL PWR WND MOTOR RF UP CTRL PWR WND MOTOR RR DOWN CTRL PWR WND MOTOR RR UP CTRL GROUND PWR WND SW LOCKOUT SIG PWR WND SW LR DOWN SIG PWR WND SW LR UP SIG PWR WND SW RR DOWN SIG PWR WND SW RR UP SIG PWR WND SWITCH RR UP SIGNAL RED/WHT WIRE RIGHT FRONT WINDOW SWITCH RIGHT I/P JUNCTION BLOCK RIGHT REAR WINDOW MOTOR (IN RIGHT REAR DOOR) RIGHT REAR WINDOW SWITCH RT DOORS CIRCUIT SPLICE WHT WIRE

10 11 12 13 14 15 16 PPL 5-VOLT OUT 5-VOLT REF SIG ALTERNATIVE FUEL ENABLE RELAY ALTERNATIVE FUEL FUSE HOLDER 1 ALTERNATIVE FUEL FUSE HOLDER 2 ALTERNATIVE FUEL RELAY BLOCK ALTERNATIVE FUEL SYSTEM DATA CONNECTOR BATT POS OUT CNG CUT-OFF SOL VALVE 2 BATT POS VOL BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/YEL WIRE CNG 1 FUSE CNG 2 FUSE CNG CUT-OFF SOLENOID VALVE 1 (PART OF CNG REGULATOR) CNG CUT-OFF SOLENOID VALVE 2 (PART OF CNG FUEL TANK ASSEMBLY) CNG SW 12 VOLT SIG CNG TANK TEMP OUT CNG TANK TEMP SENS SIG CUT-OFF SOL VALVE 1 DK GRN/WHT WIRE FUEL PUMP DISABLE MODULE (TOP REAR OF CNG REGULATOR MOUNTING BRACKET) GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GROUND GRY WIRE HOT AT ALL TIMES LT GRN WIRE LVL SENS SIG (OUT) OEM FUEL PUMP VOL (IN) PNK/BLK WIRE PPL RED WIRE RED/WHT WIRE WHT WIRE WHT/GRN WIRE

10 11 12 13 14 15 16 PPL 5-VOLT OUTPUT ALTERNATIVE FUEL ENABLE RELAY ALTERNATIVE FUEL ENABLE RLY ALTERNATIVE FUEL INJ 1 CTRL ALTERNATIVE FUEL INJ 2 CTRL ALTERNATIVE FUEL INJ 3 CTRL ALTERNATIVE FUEL INJ 4 CTRL ALTERNATIVE FUEL INJ 5 CTRL ALTERNATIVE FUEL INJ 6 CTRL ALTERNATIVE FUEL INJ 7 CTRL ALTERNATIVE FUEL INJ 8 CTRL ALTERNATIVE FUEL INJ GROUND BLK WIRE BLU WIRE BLU/BLK WIRE BLU/GRN WIRE BLU/ORG WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE CNG CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) CNG INJ GROUND CNG SW 12 VOLT SIGNAL CNG TANK CUT-OFF 2 CTRL CNG TANK LOC 1 OFF CTRL CNG TANK PRESS INPUT CNG TANK TEMPERATURE INPUT COMPUTER DATA COOLANT TEMP INPUT DATA BUS - DK GRN/WHT WIRE FUEL PRESSURE INPUT FUEL TEMP SENSOR INPUT GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GROUND LINES SYSTEM LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE OEM INJ 1 INPUT OEM INJ 1 OUTPUT OEM INJ 3 IN OEM INJ 3 OUT OEM INJ 4 IN OEM INJ 4 OUT OEM INJ 5 OUT OEM INJ 6 OUT OEM INJ 7 OUT OEM INJ 8 OUT OEM INJ IN 5 OEM INJ IN 6 OEM INJ IN 7 OEM INJ IN 8 OEM INJ POS VOL BANK 2 OEM INJ POS VOLTAGE BANK 1 OEM INJECTOR 2 INPUT OEM INJECTOR 2 OUTPUT ORG/ WIRE ORG/BLK WIRE ORG/GRN WIRE ORG/WHT WIRE PNK WIRE PNK/BLK WIRE PNK/GRN WIRE PNK/WHT WIRE PPL PPL/BLK WIRE PPL/WHT WIRE PWR RED WIRE RED/WHT WIRE SERIAL K SW BATT POS TAN WIRE TAN/BLK WIRE TAN/BLU WIRE TAN/GRN WIRE TAN/WHT WIRE USED) WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/BRN WIRE WHT/GRN WIRE WHT/ORG WIRE WHT/PPL WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE