GMC Sierra III (2013-2015) (right front lower side of engine block) Wiring diagrams

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

BLK WIRE BLK/WHT WIRE BRN WIRE CHARGE AIR COOLER INLET TEMPERATURE SENSOR (INTAKE MANIFOLD) CHARGE AIR COOLER OUTLET TEMPERATURE SENSOR (TOP RIGHT FRONT OF ENGINE) COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE GLOW PLUGS (ABOVE RESPECTIVE CYLINDERS) GRY WIRE GRY/WHT WIRE HI SPD GMLAN SER DATA - HOT AT ALL TIMES HTR CTRL IAH COMM 1 IAH COMM 2 IAH CURRENT SIG IAH DIG SIG IAH FDBK SIG IAH HEART BEAT SIG IAH SW ON/OFF SIG IAH TEMP SIG IAH VOLT FEEDBACK SIG IAH VOLT SIG IGN 1 VOLT INTAKE AIR HEATER (IAH) (LEFT FRONT OF ENGINE ) LINE HTR CTRL LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE NCA WIRE ORG/BLK WIRE ORG/WHT WIRE PLUG 1 CTRL PLUG 2 CTRL PLUG 3 CTRL PLUG 4 CTRL PLUG 5 CTRL PLUG 6 CTRL PLUG 7 CTRL PLUG 8 CTRL PNK 11 12 13 WIRE PNK WIRE PNK/BLK WIRE PNK/WHT WIRE POWER DISTRIBUTION SYSTEM PPL PPL/WHT WIRE PUMP HTR CTRL RED WIRE RED/BLK WIRE RED/WHT WIRE SENS 1 GND SENS 1 SPLY VOLT SENS 2 GND SENS 2 SPLY VOLT TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE HOLDER (RIGHT SIDE OF FIREWALL) WAKEUP SER DATA YEL WIRE

10 11 PNK WIRE BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CAMSHAFT POSITION (CMP) SENSOR (FRONT OF ENGINE, ABOVE CRANK PULLEY) CRANKSHAFT POSITION (CKP) SENSOR (FRONT OF ENGINE, RIGHT OF CRANK PULLEY) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DSL ECM FUSE 12 ECM BATT FUSE 11 ECM IGN FUSE 53 ECM/THROT CONT FUSE 17 ENG FUSE 3 EXHAUST GAS RECIRCULATION (EGR) TEMPERATURE SENSOR 2 (TOP RIGHT FRONT OF ENGINE) EXHAUST GAS RECIRCULATION (EGR) VALVE (ON TOP RIGHT SIDE OF ENGINE) FUEL FILTER PRESSURE SWITCH (MIDDLE RIGHT SIDE OF ENGINE) FUEL INJECTOR 3 FUEL INJECTOR 5 FUEL INJECTOR 8 (TOP OF LEFT CYLINDER BANK) FUEL PUMP FUSE 18 FUEL PUMP RELAY GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT W/ RUN/CRNK RELAY 15 ENERGIZED LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE NCA WIRE ORG/BLK WIRE PNK WIRE PNK/ WHT WIRE PNK/BLK WIRE PNK/WHT WIRE PPL/WHT WIRE PWR/ TRN RELAY RED/BLK WIRE RED/WHT WIRE TAN WIRE TAN/WHT WIRE TRANS IGN 1 FUSE 13 UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) W/ 2 SPEED ELECTRIC, MANUAL SHIFT CONTROL TRANSFER CASE W/O 2 SPEED ELECTRIC, MANUAL SHIFT CONTROL TRANSFER CASE WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 8 FUEL PUMP RLY CTRL 10 11 PNK WIRE 5 VOLT REF 5 VOLT REF ANTI-LOCK BRAKES SYSTEM BLK WIRE BLK/WHT WIRE BRAKE PEDAL POSITION (BPP) SENSOR BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DFI VOLT CTRL CYL 4 DFI VOLT CTRL CYL 6 DFI VOLT CTRL CYL 7 DFI VOLT CTRL CYL 8 DK BLU WIRE ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT, NEAR FAN SHROUD) ENGINE OIL PRESSURE (EOP) SENSOR (LOWER LEFT REAR OF ENGINE) FUEL INJECTOR 1 (TOP OF RIGHT CYLINDER BANK) FUEL INJECTOR 6 (TOP OF LEFT CYLINDER BANK) FUEL INJECTOR 7 (TOP OF RIGHT CYLINDER BANK) FUEL PRESSURE REGULATOR 1 FUEL PRESSURE REGULATOR 2 GND SOL HIGH SIG GRY WIRE LOW REF LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE MULTI-FUNCTION INTAKE AIR SENSOR NCA WIRE ORG/BLK WIRE PNK WIRE PPL PPL/ WHT WIRE PPL/WHT WIRE SENS VOLT REF 5 VOLT REF TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRANSFER CASE) TURBOCHARGER VANE POSITION CONTROL SOLENOID VALVE (TOP REAR OF ENGINE) TURBOCHARGER VANE POSITION SENSOR (ON LEFT SIDE OF ENGINE) VALVE HIGH CTRL SOL SPLY VOLT VALVE LOW CTRL SOL LOW SIG LOW REF LOW REF VEHICLE SPD SIG W/ TWO SPEED PUSH BUTTON, ELECTRIC SHIFT CONTROL TRANSFER CASE W/O TWO SPEED PUSH BUTTON, ELECTRIC SHIFT CONTROL WHT WIRE WHT/ BLK WIRE YEL WIRE YEL/BLK WIRE