GMC Sierra 2500 HD (2002-2012) pnk/blk 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 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

4 SPEED A/T W/ ACCESSORY STEERING WHEEL, AUTOMATIC ELECTRONIC CRUISE CONTROL 6 SPEED A/T AUTOMATIC TRANSMISSION MANUAL SHIFT SWITCH AUTOMATIC TRANSMISSION SHIFT LEVER BODY CONTROL MODULE (BCM) BRN WIRE DLIS FUSE 35 DRIVER WINDOW SWITCH FROM COOLED SEATS FUSE 24 (DIAGRAM 2 OF 7) FROM LBEC 2 FUSE 72 (DIAGRAM 3 OF 7) FROM UNDERHOOD FUSE BLOCK (DIAGRAM 3 OF 7) IGN IGNITION SWITCH INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL KEY-IN IGNITION SWITCH LEFT I/P J/B (LOWER LEFT SIDE OF DASH) LEFT STEERING WHEEL CONTROL SWITCH NCA WIRE OFF ORG/ WIRE PASSENGER SEAT BACK VENTILATION HEATING, COOLING MODULE PASSENGER WINDOW RIGHT STEERING SWITCH WHEEL CONTROL SWITCH PNK WIRE PNK/BLK WIRE POWER SUPPLY RED/WHT WIRE RIGHT I/P J/B (IN RIGHT END OF DASH) RUN WIRE SUNROOF CONTROL MODULE (IF EQUIPPED) THEFT DETERRENT MODULE (TDM) TO RUN/CRNK RELAY (DIAGRAM 5 OF 7) TO UNDERHOOD FUSE BLOCK (DIAGRAM 5 OF 7) TRANSFER CASE SHIFT CONTROL SWITCH UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VOLT IGN W/ ACCESSORY STEERING WHEEL, AUTOMATIC ELECTRONIC CRUISE CONTROL W/ SEAT HEATER W/O ACCESSORY STEERING WHEEL, AUTOMATIC ELECTRONIC CRUISE CONTROL W/O W/ ACCESSORY ACCESSORY STEERING STEERING WHEEL WHEEL CONTROL CONTROL WHT RED/ WIRE WHT WIRE YEL WIRE

2 SPEED ACTIVE 2 SPEED ELECTRONIC BODY CONTROL MODULE (BCM) BRN WIRE DLIS FUSE 35 DRIVER WINDOW SWITCH END OF DASH) FROM LBEC 1 FUSE 64 (DIAGRAM 3 OF 7) FROM UNDERHOOD FUSE BLOCK (DIAGRAM 3 OF 7) IGN IGNITION SWITCH INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL KEY-IN IGNITION SWITCH LEFT I/P J/B (LOWER LEFT SIDE OF DASH) NCA WIRE OFF ORG/ WIRE PASSENGER WINDOW SWITCH PNK WIRE PNK/BLK WIRE POWER SUPPLY RED/WHT WIRE RIGHT I/P J/B (IN RIGHT RIGHT I/P J/B (IN RIGHT END OF DASH) RIGHT STEERING LEFT STEERING WHEEL CONTROL WHEEL CONTROL SWITCH SWITCH RUN WIRE SUNROOF CONTROL MODULE (IF EQUIPPED) THEFT DETERRENT MODULE (TDM) TO RUN/CRNK RELAY (DIAGRAM 5 OF 7) TO UNDERHOOD FUSE BLOCK (DIAGRAM 5 OF 7) TRANSFER CASE SHIFT CONTROL SWITCH UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VOLT IGN W/ 10 SERIES W/ 4 SPEED, ACCESSORY STEERING WHEEL, AUTOMATIC ELECTRONIC CRUISE CONTROL W/ 6-SPEED W/ ACCESSORY STEERING WHEEL, AUTOMATIC ELECTRONIC CRUISE CONTROL W/0 10 SERIES, W/O ACCESSORY STEERING WHEEL CONTROL W/O ACCESSORY STEERING WHEEL, AUTOMATIC ELECTRONIC CRUISE CONTROL WHT WIRE YEL WIRE

4.3L 6.0L (VIN 5) AUXILIARY BATTERY BANK 1 BANK 2 SENSOR 2 SENSOR 2 BANK 1 SENSOR 1 BANK 2 SENSOR 1 CENTRAL SEQUENTIAL FUEL INJECTION (CENTRAL SFI) COMFORT, DECOR LEVEL 3 CONVENIENCE PACKAGE, W/ LUXURY EAP FUSE 38 ECM/THROT CONT FUSE 5 ELECTRONIC ADJUSTABLE PEDALS PCB RELAY ENG FUSE 4 ENGINE CONTROL MODULE (ECM) EVAPORATIVE EMISSION (EVAP) CANISTER PURGE SOLENOID VALVE EXCEPT 4.3L EXCEPT 4.3L 4.3L FAN CNTRL RELAY (EXCEPT 6.0L(VIN 5)) FROM AUXILIARY BATTERY RUN RELAY (DIAGRAM 1 OF 7) FROM FRT WPR FUSE 36 (DIAGRAM 5 OF 7) FUEL FUEL INJECTOR INJECTOR FUSE 52 HEATED HEATED OXYGEN OXYGEN SENSOR SENSOR HEATED OXYGEN SENSOR IGNITION COIL 3 IGNITION IGNITION COIL 1 CONTROL MODULE (ICM) IGNITION IGNITION COIL 5 COIL 7 INJ-A FUSE 24 LEFT I/P J/B (LOWER LEFT SIDE OF DASH) MASS AIR FLOW (MAF)/ INTAKE AIR TEMPERATURE (IAT) SENSOR NCA WIRE PARK ENABLE PCB RELAY PNK WIRE PNK/BLK WIRE PNK/BLK) PNK (OR WIRE POWER TAKE OFF (PTO) MODULE (IF EQUIPPED) PWR/ TRN RELAY RED/WHT WIRE SECURITY INDICATOR LAMP SNSR FUSE 18 SNSR FUSE 8 TO AUXILIARY FUSE BLOCK (DIAGRAM 7 OF 7) TO INJ-B FUSE 13 (DIAGRAM 7 OF 7) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VALVE LIFTER OIL MANIFOLD (VLOM) ASSEMBLY (5.3L, 6.0L(VIN Y), 6.0L(VIN S) VEHICLE INCLINATION SENSOR VEHICLE SHOCK SENSOR YEL WIRE

6399 (OR 821) 71 72 73 VSS HIGH SIG VSS LO SIG GND A/C CL CTRL A/C PRESS SIG LO REF AIR CONDITIONING SYSTEM ANTI-LOCK BRAKES SYSTEM AXL SW SIG BANK 1 SENSOR 2 (DOWNSTREAM OF LEFT CATALYTIC CONVERTER) BANK 2 SENSOR 2 (DOWNSTREAM OF RIGHT CATALYTIC CONVERTER) BLK WIRE BLK/WHT WIRE BRK SW SIG BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM COOLING FANS SYSTEM COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD) FRONT FUEL PUMP, FUEL CTRL FUEL CTL-SEC STRT RLY CTRL FUEL LVL-SEC FUEL PMP RELAY FUEL PUMP FUSE 20 FUEL TANK PRESSURE (FTP) SENSOR (ON FUEL PUMP, SENDER ASSEMBLY) GMLAN - GMLAN + GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HEATED OXYGEN HOT AT ALL TIMES IAT SIG LO REF IGN 1 VOLT LO REF LO REF LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MAF SIG MIL CTRL PPL NCA WIRE ORG/BLK WIRE ORG/WHT WIRE PNK WIRE PNK/BLK WIRE PPL PPL FUEL LVL-PRI CFAN HI CTL ACC SER DATA PPL LO REF FTP SIG PPL/WHT WIRE PWTN RLY CTRL RED/WHT WIRE SENDER ASSEMBLY (IN FRONT FUEL TANK) STARTING/ CHARGING SYSTEM TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRANSMISSIONS SYSTEM UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VSS CFAN LO CTRL W/ 10 SERIES W/ 31 SERIES W/O 10 SERIES WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

ACCELERATOR PEDAL POSITION (APP) SENSOR (ABOVE ACCELERATOR PEDAL) BLK/WHT WIRE BRN WIRE BRN/WHT WIRE DK BLU WIRE DK BLU/WHT WIRE ECM BATT FUSE 12 ECM-IGN FUSE 56 ECM/THROT CONT FUSE 5 ENG FUSE 4 FUEL INJECTORS (TOP OF LEFT CYLINDER BANK) FUEL INJECTORS (TOP OF RIGHT CYLINDER BANK) FUSE 18 (DIAGRAM 3 OF 5) HOT AT ALL TIMES HOT W/ RUN/CRNK RELAY ENERGIZED IAT INJ-A FUSE 24 INJ-B FUSE 13 LT BLU WIRE LT BLU/BLK WIRE LT GRN/BLK WIRE MAF ORG/BLK WIRE PNK 1 2 WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE PNK/WHT WIRE PPL PPL PNK PNK WIRE PWR/ TRN RELAY RED/WHT WIRE SNSR FUSE 8 TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TCM- BATT FUSE 14 UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) W/ TWO SPEED TRANSFER CASE ACTIVE PUSH BUTTON, ELECTRIC SHIFT CONTROL W/O TWO SPEED TRANSFER CASE ACTIVE PUSH BUTTON, ELECTRIC SHIFT CONTROL WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

AUX HVAC-IGN FUSE 48 BANK 1 SENSOR 1 (UPSTREAM OF LEFT CATALYTIC CONVERTER) BANK 2 SENSOR 1 (UPSTREAM OF RIGHT CATALYTIC CONVERTER) BLK WIRE BLK/WHT WIRE BRAKE FLUID LEVEL SWITCH (ON BRAKE MASTER CYLINDER RESERVOIR) BRN WIRE BRN/WHT WIRE CAMSHAFT POSITION (CMP) SENSOR (FRONT OF ENGINE, ABOVE CRANK PULLEY) COMPUTER DATA LINES SYSTEM CRANKSHAFT POSITION (CKP) SENSOR (RIGHT REAR OF ENGINE) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ENGINE COOLANT TEMPERATURE (ECT) SENSOR (ON TOP OF ENGINE) ENGINE OIL PRESSURE (EOP) SENSOR (TOP REAR OF ENGINE) ENGINE OIL PRESSURE IND FROM INJ-B FUSE 13 (DIAGRAM 2 OF 5) GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HEATED OXYGEN HOT AT ALL TIMES UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) IPC FUSE 46 HOT IN RUN OR START IGN B+ IGN MALFUNCTION INDICATOR LAMP INSTRUMENT PANEL CLUSTER (IPC) LO BUS LOGIC LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR (ON TOP OF INTAKE MANIFOLD) NCA WIRE ORG/BLK WIRE PNK PNK 14 15 WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE POWER DISTRIBUTION SYSTEM PPL PPL PNK PNK 5 6 7 WIRE PPL PNK PNK WIRE PPL/WHT WIRE RED/WHT WIRE SNSR FUSE 18 TAN WIRE TAN/WHT WIRE W/ BASE BODY OR CHASSIS BODY EQUIPMENT W/O BASE BODY OR CHASSIS BODY EQUIPMENT WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

BLK WIRE BRN WIRE BRN/WHT WIRE CKP SIG DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE COMPT NEAR FAN SHROUD) ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF GRY WIRE GRY/BLK WIRE GRY/WHT WIRE IC 1 CTRL IC 2 CTRL IC 3 CTRL IC 4 CTRL IC 5 CTRL IC 6 CTRL IC 7 CTRL IC 8 CTRL IGNITION COILS (UPPER LEFT SIDE OF ENGINE) LO REF LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE ORG/WHT WIRE PNK PNK WIRE PNK PPL WIRE PNK WIRE PNK/BLK WIRE PPL PPL PNK PNK WIRE PPL/WHT WIRE RED WIRE SPARK PLUG TAN WIRE TAN/WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

BLK WIRE BREAKOUT) BRN WIRE BRN/WHT WIRE CHG IND SIG CMP SIG CYL OFF CTRL 4 DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD) EOP SIG EVAPORATIVE EMISSION (EVAP) CANISTER PURGE SOLENOID VALVE (ON INTAKE MANIFOLD) GEN FDC SIG GRY WIRE GRY/WHT WIRE HARNESS, 5 CM IGNITION COILS (UPPER RIGHT SIDE OF ENGINE) INJ 2 CTRL INJ 3 CTRL INJ 4 CTRL INJ 7 CTRL LO REF LO REF LO REF LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MAP SIG PPL NCA WIRE ORG/ WIRE ORG/BLK WIRE ORG/WHT WIRE PNK PPL WIRE PNK WIRE PNK/BLK WIRE PPL PPL/WHT WIRE RED WIRE SOL CTRL CYL OFF CTRL 3 CYL OFF CTRL 1 CYL OFF CTRL 2 SPARK PLUG STARTING/ CHARGING SYSTEM TAC MTR CTRL 2 TAC MTR CTRL 1 TAN WIRE TAN/WHT WIRE YEL WIRE YEL/BLK WIRE

BLK WIRE BREAKOUT) BRN WIRE BRN/WHT WIRE CHG IND SIG CMP SIG CYL OFF CTRL 4 DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD) EOP SIG EVAPORATIVE EMISSION (EVAP) CANISTER PURGE SOLENOID VALVE (ON INTAKE MANIFOLD) GEN FDC SIG GRY WIRE GRY/WHT WIRE HARNESS, 5 CM IGNITION COILS (UPPER RIGHT SIDE OF ENGINE) INJ 2 CTRL INJ 3 CTRL INJ 4 CTRL INJ 7 CTRL LO REF LO REF LO REF LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MAP SIG PPL NCA WIRE ORG/ WIRE ORG/BLK WIRE ORG/WHT WIRE PNK PPL WIRE PNK WIRE PNK/BLK WIRE PPL PPL/WHT WIRE RED WIRE SOL CTRL CYL OFF CTRL 3 CYL OFF CTRL 1 CYL OFF CTRL 2 SPARK PLUG STARTING/ CHARGING SYSTEM TAC MTR CTRL 2 TAC MTR CTRL 1 TAN WIRE TAN/WHT WIRE YEL WIRE YEL/BLK WIRE