GMC Sierra 2500 HD (2002-2012) org/ Wiring diagrams

ABS PUMP MOTOR ABS-1 FUSE 61 FUSE 56 ABS-2 FUSE 9 FUSE 8 AGLE SNS A BLK WIRE BLK/WHT WIRE BRK SNS VEH SPD SIG LOW REF BRN WIRE CAN H GND CAN L B+ GMLAN + GMLAN + LOW REF AGLE SNS B AGLE SNS C RR WHL SNS COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ELECTRONIC BRAKE CONTROL MODULE (EBCM) (ON LEFT SIDE OF FRAME ASSEMBLY) GMLAN - GMLAN - PWR BRK H GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HOT AT ALL TIMES LEFT FRONT WHEEL SPEED SENSOR (WSS) (ON LEFT FRONT STEERING KNUCKLE) LEFT REAR WHEEL SPEED SENSOR (WSS) (ON LEFT REAR BRAKE BACKING PLATE) LF WHL SNS COMM DATA LOGIC LR WHL SNS LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PPL/WHT WIRE PWR BRK L ANGLE SNS RADIO RED WIRE RED/BLK WIRE RF WHL SNS RIGHT REAR WHEEL SPEED SENSOR (WSS) (ON RIGHT REAR BRAKE BACKING PLATE) TAN WIRE TAN/BLK WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) W/ LUXURY EDITION W/O LUXURY EDITION EXCEPT 6.6L YEL WIRE YEL/BLK WIRE

12 13 PPL BRK SIG 16 17 19 GMLAN + GMLAN - COMM DATA ABS INDICATOR BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) BRAKE BOOSTER VACUUM SENSOR (LEFT REAR OF ENGINE COMPT) BRAKE FLUID LEVEL SWITCH (ON MASTER CYLINDER) BRAKE INDICATOR COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE EXCEPT 4.3L, 5.3L (VIN O), 5.3L (VIN 3), 6.0L (VIN K) GRY WIRE GRY/WHT WIRE I/P MULTI-FUNCTION SWITCH INSTRUMENT PANEL CLUSTER (IPC) LOGIC LT BLU WIRE LT GRN WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE ORG/WHT WIRE PARK BRAKE SWITCH (ON PARK BRAKE PEDAL ASSEMBLY) POWER BRAKE BOOSTER (LEFT REAR OF ENGINE COMPT) PPL PPL/WHT WIRE PRK BRK SW RIGHT FRONT WHEEL SPEED SENSOR (WSS) (ON RIGHT FRONT STEERING KNUCKLE) STEERING ANGLE SENSOR (ON STEERING COLUMN) STOP LAMP SWITCH (TOP OF BRAKE PEDAL ASSEMBLY) TAN WIRE TAN/BLK WIRE TRACTION SW YEL WIRE YEL/BLK WIRE

12 13 PPL BRK SIG 16 17 19 GMLAN + GMLAN - COMM DATA 6.0L ABS INDICATOR ABS PUMP MOTOR ABS-1 FUSE 61 FUSE 56 B+ GMLAN + GMLAN + BRK SNS BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) BRAKE FLUID LEVEL SWITCH BRAKE INDICATOR COMM DATA VEH SPD SIG COMPUTER DATA LINES SYSTEM DK GRN WIRE DK GRN/WHT WIRE ELECTRONIC BRAKE CONTROL MODULE (EBCM) (ON LEFT SIDE OF FRAME ASSEMBLY) ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD) EXCEPT 6.0L (VIN K) FUEL SYSTEM CONTROL MODULE (FSCM) (UNDER REAR OF VEHICLE) GRY WIRE GRY/WHT WIRE HEAVY DUTY ABS FUSE 59 FUSE 55 HOT AT ALL TIMES UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) INSTRUMENT PANEL CLUSTER (IPC) LEFT FRONT WHEEL SPEED SENSOR (WSS) (ON LEFT FRONT STEERING KNUCKLE) LF WHL SNS LOGIC LOW REF GND GMLAN - GMLAN - VEH SPD SIG LT BLU WIRE NCA WIRE ORG/ WIRE ORG/WHT WIRE PARK BRAKE SWITCH (ON PARK BRAKE PEDAL ASSEMBLY) POWER TAKE OFF (PTO) MODULE (OUTSIDE OF RIGHT FRONT CHASSIS FRAME) PPL PRK BRK SW RADIO RED WIRE RED/BLK WIRE RF WHL SNS RIGHT FRONT WHEEL SPEED SENSOR (WSS) (ON RIGHT FRONT STEERING KNUCKLE) STOP LAMP SWITCH (TOP OF BRAKE PEDAL ASSEMBLY) TAN WIRE TAN/BLK WIRE W/ LUXURY EDITION W/O LUXURY EDITION EXCEPT 6.6L 6.6L YEL WIRE YEL/BLK WIRE

AMBIENT LT SENS SIG HEADLAMP SW HEADLAMP ON SIG ANTI-LOCK BRAKES SYSTEM POWER DISTRIBUTION SYSTEM BLK WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) BRN WIRE BRN/WHT WIRE COURTESY LAMPS CTRL CRUISE CONTROL SYSTEM DIM FUSE 7 DK BLU/WHT WIRE DK GRN WIRE GRY WIRE HEADLAMP SW HEADLAMP OFF SIG COURTESY LAMP SUPPLY VOLT HEADLAMP SW PARK LAMP SIG HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM INTERIOR LIGHTS SYSTEM HEADLIGHTS, EXTERIOR LIGHTS SYSTEMS HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE OF DASH, IG 3 VOLT CRUISE CTRL SW SIG 5 VOLT REF WIPER SW HI SIG STEER WHL CTRL SW SIG IGNITION SWITCH (IN UPPER STEERING COLUMN) KEY-IN IGNITION SWITCH LOW REF WIPER SW LOW SIG LT BLU WIRE LT GRN WIRE OFF ORG/ WIRE PNK WIRE PNK/BLK WIRE PPL PPL INTERIOR LAMP DEFEAT SW SIG RED/WHT WIRE RUN WIRE TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRACTION CTRL SW SIG ACCESSORY VOLT WHT WIRE WIPER/WASHER SYSTEM SOUND SYSTEMS WIPER/WASHER SYSTEM WIPER/WASHER SYSTEM YEL WIRE YEL/BLK WIRE

ACCESSORY WAKEUP SERIAL DATA ANTI-LOCK BRAKES, EXTERIOR LIGHTS SYSTEMS ANTI-THEFT SYSTEM BATTERY BCM FUSE 15 BLK/WHT WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM CRUISE CONTROL, SEATS SYSTEMS CRUISE CTRL IND DIM SIG CTSY FUSE 5 DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DRL RELAY CTRL EXHAUST BRK SW SIG FOG LAMP RELAY CTRL FRONT FOG LAMP SW SIG/ENABLE GAS DIESEL GROUND GRY WIRE HEADLAMP HI BEAM RELAY CTRL HEADLIGHTS SYSTEM HI SPD GMLAN SERIAL DATA BUS + HOOD AJAR SW SIG HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE OF DASH, I/P LAMP DIMMER SW SIG INDICATOR DIM CTRL INSTRUMENT CLUSTER SYSTEM INTERIOR LIGHTS, EXTERIOR LIGHTS SYSTEMS IPC FUSE 46 FUSE 43 IS LPS FUSE 17 LED BACKLIGHT DIM CTRL LINER INTERCONNECT BUS LO SPD SERIAL DATA LOW REF LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE LT STOP TRN FUSE 6 LT TRLR TURN SIG LAMP ORG/ WIRE ORG/WHT WIRE PNK/BLK WIRE POWER DISTRIBUTION SYSTEM PPL/WHT WIRE RED WIRE RED/WHT WIRE RF TURN SIG LAMP SUPPLY RT STOP TRN FUSE 8 RT TRLR TURN SIG LAMP RUN/CRANK RELAY CTRL SECURITY IND CTRL SERIAL DATA COMM ENABLE STOP LAMPS FUSE 12 STP LP SW SIG TAN WIRE TAN/BLK WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK WASHER RELAY CTRL WHT WIRE WIPER MOTOR PARK SW SIG WIPER/WASHER SYSTEM YEL WIRE

ANTI-THEFT SYSTEM BACKUP LAMP RELAY CTRL BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) BRAKES, HEADLIGHTS SYSTEMS BRN WIRE COURTESY LAMP SUPPLY VOLTAGE DK BLU WIRE DK GRN WIRE DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM INSTRUMENT CLUSTER SYSTEM DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM DRVR DOOR KEY SW SIG DRVR DOOR UNLK RELAY CTRL DOOR LK CTRL EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS, NAVIGATION SYSTEMS GRY WIRE GRY/BLK WIRE HEADLAMP LO BEAM RELAY CTRL PARK LAMP RELAY CTRL HEADLIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM HORN RELAY CTRL OUT OF PARK SIG WIPER SW SIG 2 FRONT WINDSHIELD SW HI SIG CTRL HORNS SYSTEM SEATS SYSTEM WIPER/WASHER SYSTEM WIPER/WASHER SYSTEM IGN 3 VOLTAGE 12 VOLT REF HOOD CLOSED SW SIG PARK BRAKE SW SIG INTERIOR LIGHTS SYSTEM DOOR LOCKS SYSTEM INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM INTRUSION SENS ARMED SIG LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT TURN SIG LAMP SUPPLY CHMSL/STOP LAMP SUPPLY VOLT CRUISE/ETC/TCC BRAKE SIG ORG/ WIRE ORG/BLK WIRE PASS DOOR LK SW LK SIG PNK/BLK WIRE PNK/WHT WIRE POWER WINDOWS SYSTEM POWER WINDOWS SYSTEM POWER WINDOWS SYSTEM POWER WINDOWS SYSTEM POWER WINDOWS SYSTEM POWER WINDOWS SYSTEM PPL PPL INTRUSION SENS ALARM ON SIG PWR WIN MSTR SW LKOUT SIG PWR WIN MSTR SW RR UP SIG PWR WIN MSTR SW LR DN SIG PPL RF DOOR AJAR SW SIG PASS DR LK SW UNLK SIG LF DOOR AJAR SW SIG RR DOOR AJAR SW SIG LR DOOR AJAR SW SIG TAN WIRE TAN/WHT WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

AUTO A/C BLK WIRE GAS DIESEL HOT AT ALL TIMES HTD MIR FUSE 53 FUSE 51 HVAC CONTROL MODULE IGN LOGIC MANUAL A/C NCA WIRE ORG/ WIRE OUTSIDE REARVIEW MIRROR- DRIVER OUTSIDE REARVIEW MIRROR- PASSENGER REAR DEFOG RELAY REAR DEFOG RELAY CTRL REAR DEFOG SWITCH UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WHT WIRE

BLK WIRE BRN WIRE BRN/WHT WIRE CHG IND SIG CMP SIG CTRL CYL OFF CTL 2 CYLINDER SHUTOFF SOLENOID 1, CYL 1 CYLINDER SHUTOFF SOLENOID 2, CYL 4 CYLINDER SHUTOFF SOLENOID 3, CYL 6 CYLINDER SHUTOFF SOLENOID 4, CYL 7 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 GEN FDC SIG OIL LVL SW SIG LO REF LO REF GRY WIRE GRY/BLK WIRE GRY/WHT WIRE IGN IGNITION COILS INJ 2 CTL INJ 3 CTL INJ 4 CTL INJ 7 CTL 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 NCA WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE ORG/WHT WIRE PNK PNK 38 39 WIRE PNK WIRE PNK/BLK WIRE PPL PPL CAM SOL CTL INJ 8 CTL INJ 5 CTL INJ 6 CTL INJ 1 CTL ECT SIG LO REF PPL PNK PNK WIRE PPL/WHT WIRE RED WIRE REF LO SOL CTRL CYL OFF CTL 3 CYL OFF CTL 1 CYL OFF CTL 4 SPARK PLUG SPARK SPARK PLUG PLUG SPARK SPARK SPARK PLUG PLUG PLUG STARTING/ CHARGING SYSTEM STARTING/CHARGING SYSTEM TAC MOT CTL 2 TAC MOT CTL 1 TAN WIRE TAN/WHT WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

BLK WIRE BRN WIRE BRN/WHT WIRE CMP SENSOR SIG DK BLU WIRE DK BLU/WHT WIRE ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD) ENGINE COOLANT TEMPERATURE (ECT) SENSOR (TOP FRONT CENTER OF ENGINE) EXHAUST GAS RECIRCULATION (EGR) TEMPERATURE SENSOR 1 (TOP RIGHT REAR OF ENGINE) FUEL PRESSURE REGULATOR GRN WIRE GRY WIRE GRY YEL/BLK WIRE GRY/BLK WIRE GRY/WHT WIRE IAT SENSOR SIG DPF SENSOR SIG OIL PRESS SIG ECT SENSOR SIG INTAKE AIR TEMPERATURE (IAT) SENSOR 2 (ON TOP CENTER OF ENGINE) LOW REF LOW REF FUEL PRESS VOLT INJ + GROUP 4 INJ 6 INJ 3 LOW REF LOW REF LOW REF TURBO VANE POS FUEL INJ VOLT 3 INJ 5 INJ 4 LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE MAF SENSOR SIG LOW REF MAP SENSOR SIG TUR VANE POS SIG APP SENSOR 2 SIG NCA WIRE OIL LEVEL SW SIG ORG/ WIRE ORG/BLK WIRE PNK WIRE PNK/BLK WIRE PPL PPL/WHT WIRE RED WIRE STARTING/CHARGING SYSTEM TAN ORG/BLK WIRE TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRANSMISSIONS SYSTEM YEL WIRE YEL/BLK WIRE

22 23 24 25 PPL ACC SER DATA BLK WIRE BRN WIRE BRN/WHT WIRE BUS - COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/WHT WIRE ENGINE OIL LEVEL (EOL) GLOW PLUG 1 GLOW PLUG 2 GLOW PLUG 3 GLOW PLUG 4 GLOW PLUG 5 GLOW PLUG 6 GLOW PLUG 7 GLOW PLUG 8 GLOW PLUGS (ABOVE RESPECTIVE CYLINDERS: 2, 4, 6, 8) GRY WIRE GRY/BLK WIRE IAH COMM 1 IAH COMM 2 IAH CURRENT SIG IAH FDBK SIG IAH TEMP SIG IAH VOLT SIG IGN 1 VOLT INTAKE AIR HEATER (IAH) (LEFT FRONT OF ENGINE ) LT BLU WIRE LT BLU/BLK WIRE LT GRN/WHT WIRE MASS AIR FLOW (MAF)/INTAKE AIR TEMPERATURE (IAT) SENSOR (FRONT OF ENGINE) NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK 7 8 9 WIRE PNK WIRE PNK/BLK WIRE PPL PPL/WHT WIRE RED WIRE RED/GRN WIRE RED/LT GRN WIRE RED/WHT WIRE TAN WIRE TAN/BLK WIRE TAN/WHT WIRE WATER IN FUEL SENSOR (RIGHT SIDE OF ENGINE) WHT/GRN WIRE WHT/LT GRN WIRE WHT/RED WIRE WHT/YEL WIRE YEL PPL WIRE YEL WIRE YEL/BLK WIRE