GMC Sierra 2500 HD (2002-2012) blk Wiring diagrams
This page contains all the electrical diagrams for the component. blk, in which he is found in the car GMC Sierra 2500 HD (2002-2012). You can view various wiring diagrams where this component is used, as well as go to more detailed diagrams to see the complete connection and interaction in the system. All diagrams have links to quickly jump to the corresponding section with the component for easy viewing..
blk wiring diagram (171 of 555)
ANTI-LOCK BRAKE SYSTEM
AUXILIARY BATTERY RELAY (RIGHT REAR OF ENG COMPT)
BATTERY
BATTERY NOT CHARGING
BLK WIRE
BLK/WHT WIRE
BRN WIRE
CHARGE INDICATOR CONTROL
COMPUTER DATA LINES
DK BLU WIRE
DK GRN WIRE
DRIVER INFO CENTER
FUSIBLE LINK 1 (8 GA-
FUSIBLE LINK 5 (5 GA-
FUSIBLE LINK 6 (5 GA-
GENERATOR
GENERATOR FIELD DUTY CYCLE SIGNAL
GROUND
GRY WIRE
HOT IN RUN, START
I/P RELAY BLOCK (NEAR LEFT KICK PANEL)
IGN 1 VOLT
IGN E FUSE
INSTRUMENT PANEL CLUSTER
LASS 2 SERIAL DATA
LEFT BATTERY
LOGIC
MEGA FUSE
PNK WIRE
POWER DISTRIBUTION SYSTEM
POWERTRAIN CONTROL MODULE (PCM) (ON LEFT FRONT OF ENGINE COMPARTMENT)
RED WIRE
RIGHT BATTERY
RIGHT BATTERY (W/AUX BATTERY)
SEO IGN FUSE
SERIAL DATA CLASS 2
STARTER
UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENG COMPT)
VOLTS
W/ SEO
W/AUX BATTERY
W/DUAL BATTERIES
W/O SEO
WRECKER OPTION
Go to component -> 6.0l cng, charging circuit -> BLK WIRE
blk wiring diagram (172 of 555)
A/T
BLK WIRE
CLUTCH
CLUTCH START SWITCH SIGN
CRANK FUSE
CRANK SIGN
DK GRN WIRE
GRN WIRE
IGN A FUSE
IGN B FUSE
IGN E FUSE
IGNITION SWITCH
LEFT BATTERY
LOCK OFF
M/T
NCA WIRE
PARK/NEUTRAL POSITION SWITCH (A/T) (ON LEFT SIDE OF TRANSMISSION)
PNK PNK WIRE
PNK WIRE
POWER DISTRIBUTION
POWER DISTRIBUTION SYSTEM
PPL
RED WIRE
RED/WHT WIRE
RUN WIRE
STARTER MOTOR
STARTER RELAY
STARTER SOLENOID
SWITCH (M/T) (ON TOP OF CLUTCH PEDAL BRACKET)
SYSTEM
UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENG COMPT)
UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENG COMPT)
UNDERHOOD JUNCTION BLOCK (AT LEFT SIDE OF ENG COMPT)
YEL WIRE
YEL/BLK WIRE
Go to component -> 6.0l cng, starting circuit -> BLK WIRE
blk wiring diagram (173 of 555)
ANTI-LOCK BRAKE SYSTEM
AUXILIARY BATTERY RELAY (RIGHT REAR OF ENG COMPT)
BATTERY
BATTERY NOT CHARGING
BLK WIRE
BLK/WHT WIRE
BRN WIRE
CHARGE INDICATOR CONTROL
COMPUTER DATA LINES
DK BLU WIRE
DK GRN WIRE
DRIVER INFO CENTER
FUSIBLE LINK 1 (8 GA-
FUSIBLE LINK 5 (5 GA-
FUSIBLE LINK 6 (5 GA-
GENERATOR
GENERATOR FIELD DUTY CYCLE SIGNAL
GROUND
GRY WIRE
HOT IN RUN, START
I/P RELAY BLOCK (NEAR LEFT KICK PANEL)
IGN 1 VOLT
IGN E FUSE
INSTRUMENT PANEL CLUSTER
LASS 2 SERIAL DATA
LEFT BATTERY
LOGIC
MEGA FUSE
PNK WIRE
POWER DISTRIBUTION SYSTEM
POWERTRAIN CONTROL MODULE (PCM) (ON LEFT FRONT OF ENGINE COMPARTMENT)
RED WIRE
RIGHT BATTERY
RIGHT BATTERY (W/AUX BATTERY)
SEO IGN FUSE
SERIAL DATA CLASS 2
STARTER
UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENG COMPT)
VOLTS
W/ SEO
W/AUX BATTERY
W/DUAL BATTERIES
W/O SEO
WRECKER OPTION
Go to component -> 6.0l vin u, charging circuit -> BLK WIRE
blk wiring diagram (174 of 555)
A/T
BLK WIRE
CLUTCH
CLUTCH START SWITCH SIGN
CRANK FUSE
CRANK SIGN
DK GRN WIRE
GRN WIRE
IGN A FUSE
IGN B FUSE
IGN E FUSE
IGNITION SWITCH
LEFT BATTERY
LOCK OFF
M/T
NCA WIRE
PARK/NEUTRAL POSITION SWITCH (A/T) (ON LEFT SIDE OF TRANSMISSION)
PNK PNK WIRE
PNK WIRE
POWER DISTRIBUTION
POWER DISTRIBUTION SYSTEM
PPL
RED WIRE
RED/WHT WIRE
RUN WIRE
STARTER MOTOR
STARTER RELAY
STARTER SOLENOID
SWITCH (M/T) (ON TOP OF CLUTCH PEDAL BRACKET)
SYSTEM
UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENG COMPT)
UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENG COMPT)
UNDERHOOD JUNCTION BLOCK (AT LEFT SIDE OF ENG COMPT)
YEL WIRE
YEL/BLK WIRE
Go to component -> 6.0l vin u, starting circuit -> BLK WIRE
blk wiring diagram (175 of 555)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 TP SENSOR 1 SIG
1061 420 ANTI-LOCK BRAKES SYSTEM
15 14 33 SERIAL DATA SERIAL DATA TCC BRK SW
50 21 VSS VSS HIGH VSS LOW
58 35 SERIAL DATA CPP SW
ACCELERATION PEDAL POSITION SENSOR (BEHIND ACCELERATOR PEDAL)
APP SENSOR 1 SIG
APP SENSOR 2 SIG LOW REF
BLK WIRE
BLK/WHT WIRE
BRAKE FUSE
BRN WIRE
CLUTCH PEDAL POSTION (CPP) SWITCH
COMPUTER DATA LINES SYSTEM
CRUISE FUSE
DK BLU WIRE
DK BLU/WHT WIRE
DK GRN WIRE
DK GRN/WHT WIRE
ETC/ECM FUSE
GRY WIRE
GRY/BLK WIRE
GRY/WHT WIRE
HOT AT ALL TIMES
HOT IN
HOT IN RUN
HOT IN RUN, START
I/P FUSE BLOCK (ON LOWER LEFT SIDE OF DASH)
I/P RELAY BLOCK
IGN VSS SERIAL DATA CRUISE IND CLASS 2 DATA
INSTRUMENT PANEL CLUSTER
LOW REF
LT BLU WIRE
LT BLU/BLK WIRE
LT GRN/BLK WIRE
NCA WIRE
OF TRANSFER CASE)
OF TRANSMISSION)
OFF
ON OFF
ORG/ WIRE
ORG/BLK WIRE
PNK WIRE
POWERTRAIN CONTROL MODULE (LEFT FRONT OF ENGINE COMPT)
PPL
PPL/WHT WIRE
RESUME/ ACCEL CRUISE CONTROL ON/OFF SWITCH
RESUME/ACCEL
RUN WIRE
SET/ COAST
STOP LPS FUSE
STOPLAMP SWITCH (TOP OF BRAKE PEDAL)
TAN WIRE
THROTTLE ACTUATOR CONTROL MODULE (LEFT REAR OF ENGINE COMPT)
TURN SIGNAL/ MULTIFUNCTION SWITCH
UNDER- HOOD FUSE BLOCK
UNDERHOOD FUSE BLOCK (NEAR BATTERY)
VEH STOP FUSE
VEHICLE SPEED SENSOR (VSS)
WHT WIRE
WHT/BLK WIRE
YEL WIRE
Go to component -> 8.1l vin g, cruise control circuit -> BLK WIRE
blk wiring diagram (176 of 555)
61 33 (DIESEL) (GAS) 46 49
ABS FUSE
ANTI-LOCK IND
BLK WIRE
BLK/WHT WIRE
BRAKE IND
BRN WIRE
BRN/WHT WIRE
CLUTCH START SWITCH (M/T) (TOP OF CLUTCH CLUTCH ASSY)
CPP SW SIG
DEL TORQUE SIG
DK GRN WIRE
DK GRN/WHT WIRE
ELECTRONIC BRAKE CONTROL MODULE (EBCM) (ON LEFT SIDE OF INNER FRAME)
EXCEPT SEO
GRY WIRE
HOT AT ALL TIMES
HOT IN RUN
HOT IN RUN OR START
I/P FUSE BLOCK (ON LOWER LEFT SIDE OF DASH) BRAKE FUSE
IGN E FUSE
IGNITION
INSTRUMENT CLUSTER
LEFT FRONT SENSOR (-) RIGHT FRONT SENSOR (+) BRAKE INPUT
LEFT FRONT WHEEL SPEED SENSOR
LOGIC
LT BLU WIRE
LT GRN/BLK WIRE
NCA WIRE
OF TRANSFER CASE)
OF TRANSMISSION)
ORG/BLK WIRE
PNK WIRE
POWERTRAIN OR ENGINE CONTROL MODULE (PCM OR ECM) (ON LEFT FRONT OF ENG COMPT)
PPL
PPL DATA LINK CONNECTOR (DLC) (BELOW STEERING COLUMN)
PPL PPL
PPL/WHT WIRE
RED WIRE
SEO
SEO IGN FUSE
STOPLAMP SWITCH (ON TOP OF BRAKE PEDAL BRACKET)
TAN WIRE
TAN/BLK WIRE
TCC BRAKE SW
TRACTION CONTROL IND (IF EQUIPPED)
TRACTION CONTROL SWITCH
TRANSFER CASE SHIFT CONTROL MODULE
TRANSMISSIONS SYSTEM
TRANSMISSIONS SYSTEM (TRANSFER CASE CIRCUIT)
UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENG COMPT)
UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPT)
VEHICLE SPEED SENSOR (VSS)
VSS HIGH
VSS LOW
VSS OUTPUT
YEL WIRE
YEL/BLK WIRE
Go to component -> Anti-lock brakes circuit, gvw over 8600 lbs -> BLK WIRE
blk wiring diagram (177 of 555)
2 OR MORE OF W/ ONSTAR,
AUDIO AMPLIFIER (IF EQUIPPED) (UNDER REAR OF CENTER CONSOLE)
BLK WIRE
BLK/WHT WIRE
BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH)
CHIME MODULE (CENTER OF DASH, BEHIND RADIO)
DATA LINK CONNECTOR (DLC) (LOWER LEFT SIDE OF DASH)
DIGITAL RADIO RECEIVER (BEHIND RIGHT END OF DASH)
DIGITAL RADIO RECEIVER (IF EQUIPPED) (BEHIND RIGHT END OF DASH)
DIGITAL RADIO, REAR SEAT,
DK GRN WIRE
DRIVER DOOR LOCK/WINDOW SWITCH
DRIVER'S SEAT
EARPHONE JACKS RADIO CONTROL
GROUND DISTRIBUTION SYSTEM
HEATED SEAT CONTROL MODULE (W/ SPO HEATED SEATS)
HOT AT ALL TIMES
HVAC CONTROL MODULE
I/P FUSE BLOCK (LEFT SIDE OF DASH,
INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (SDM) (UNDER
INSTRUMENT PANEL CLUSTER (IPC)
LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH)
LOW SPD GMLAN SER DATA
LOW SPEED GMLAN SERIAL DATA
LOW SPEED SERIAL DATA
LTR FUSE 53 (EXCEPT 6.6L) FUSE 50 (6.6L)
MEMORY SEAT MODULE (W/ INDIVIDUAL FRONT SEAT) (UNDER FRONT OF
NOT USED NOT USED
PASSENGER DOOR LOCK/WINDOW SWITCH
POWER DISTRIBUTION SYSTEM
RADIO
REAR OBJECT SENSOR CONTROL MODULE (AT REAR CARGO AREA, BEHIND TRIM PANEL)
REAR SEAT AUDIO (RSA) CONTROL
REAR SEAT AUDIO (RSA) CONTROL (IF EQUIPPED)
RED/WHT WIRE
REMOTE CONTROL DOOR LOCK RECEIVER (RCDLR) (TOP REAR OF PASSENGER COMPT)
RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH)
TAN WIRE
TAN/BLK WIRE
THEFT DETERRENT CONTROL MODULE (TDM) (ON RIGHT SIDE OF STEERING COLUMN)
UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT)
VEHICLE COMMUNICATION INTERFACE MODULE (VCIM) (BEHIND CENTER OF DASH)
W/ DIGITAL RADIO
W/ DIGITAL RADIO, REAR SEAT, ONSTAR, EARPHONE JACKS RADIO CONTROL
W/ FRONT SEAT, REMOTE CONTROL
W/ INDIVIDUAL FRONT SEAT
W/ LUXURY EDITION
W/ ONSTAR
W/ RADIO PROVISIONS
W/ REAR SEAT, EARPHONE JACKS RADIO CONTROL
W/ REMOTE KEYLESS ENTRY
W/O INDIVIDUAL FRONT SEAT
W/O LUXURY EDITION
W/O RADIO PROVISIONS
WHT WIRE
Go to component -> Computer data lines circuit (1 of 2) -> BLK WIRE
blk wiring diagram (178 of 555)
19 6 ACCESSORY WAKEUP SERIAL DATA
2 3 LOW SER DATA HI SER DATA
4.3L
5 4 12 13 HI SPD GMLAN (+) HI SPD GMLAN (-) HI SPD GMLAN (-) HI SPD GMLAN (+)
6 SPEED A/T
6.0L (VIN K) W/O TRAILER BRAKE
6.6L EXCEPT 4.3L, 6.6L
8 19 HIGH SPEED GMLAN SERIAL DATA BUS (+) SER DATA COMM ENABLE
ACCESSORY WAKEUP SERIAL DATA
AUTOMATIC TRANSMISSION
BLK WIRE
BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH)
CAN DATA BUS HIGH CAN DATA BUS LOW
COMM ENABLE
COMM ENABLE SERIAL DATA
DATA LINK RESISTOR (IN CHASSIS HARNESS, ON LEFT REAR CHASSIS CROSS MEMBER)
DK BLU WIRE
DK GRN WIRE
ELECTRONIC BRAKE CONTROL MODULE (EBCM) (ON LEFT SIDE OF FRAME ASSEMBLY)
ELECTRONIC COMPASS MODULE
ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD)
EXCEPT 6.6L 6.6L
EXCEPT GAS 4.3L, 6.0L (VIN K)
FUEL PUMP/ TRAILER BRAKE CONTROL MODULE (REAR FRAME, NEAR SPARE TIRE MOUNT)
GLOW PLUG CONTROL MODULE (GPCM) (6.6L) (TOP LEFT REAR OF ENGINE)
HI SPD GMLAN
HI SPD GMLAN SERIAL DATA
HIGH SPEED GMLAN SERIAL DATA BUS +
LEFT I/P BLOCK JUNCTION (LOWER LEFT SIDE OF DASH)
LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH)
LINEAR INTERCONNECT NETWORK BUS
LT BLU WIRE
LT GRN/BLK WIRE
NETWORK BUS
SERIAL DATA
SERIAL DATA COMM ENABLE
TAN TAN/BLK WIRE
TAN WIRE
TAN/BLK TAN WIRE
TAN/BLK WIRE
TAN/WHT WIRE
TERMINATOR
TRANSMISSION CONTROL MODULE
VEHICLE COMMUNICATION INTERFACE MODULE (VCIM) (BEHIND CENTER OF DASH)
W/ 10 SERIES
W/ HYDRAULIC BRAKES
W/ ONSTAR
W/ PTO
W/ TRAILER BRAKE
W/ TWO SPEED TRANSFER CASE
W/O 10 SERIES
W/O INTEGRATED TRAILER BRAKE CONTROL
W/O ONSTAR
W/O PTO
W/O TRAILER BRAKE
W/O TWO SPEED TRANSFER CASE
YEL WIRE
YEL/BLK WIRE
Go to component -> Computer data lines circuit (2 of 2) -> BLK WIRE
blk wiring diagram (179 of 555)
ACCESSORY VOLTAGE
BLK WIRE
DK BLU WIRE
GROUND LSD
GRY WIRE
HI LO OFF
HOT AT ALL TIMES
HOT IN RUN AND ACC
LEFT I/P FUSE BLOCK (BEHIND LOWER LEFT SIDE OF DASH)
LO PULSE
MIST
MIST WASH
OFF
ORG/ WIRE
PNK WIRE
RED WIRE
TAN WIRE
TURN SIGNAL/ MULTI-FUNCTION SWITCH
UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT)
W/S WASH FUSE
W/S WASH RELAY
W/S WIPER FUSE
WHT WIRE
WINDSHIELD WASHER FLUID PUMP (ON WASHER FLUID RESERVOIR)
WINDSHIELD WASHER RELAY CNTRL
WINDSHIELD WIPER HIGH SIGNAL
WINDSHIELD WIPER MOTOR MODULE (LEFT SIDE OF COWL)
WINDSHIELD WIPER SUPPLY VOLTAGE
WINDSHIELD WIPER SWITCH SIGNAL
WINDSHIELD WIPER/ WASHER SWITCH
YEL WIRE
Go to component -> Front wiper/washer circuit -> BLK WIRE
blk wiring diagram (180 of 555)
3-2 SS CTRL REF LOW
A/C SYSTEM
ANTI-LOCK BRAKES SYS 470 451 1671 1667 451 1669 1664
ANTI-LOCK BRAKES SYS 771 420 776 48 1744 846 1101 625 451
BLK WIRE
BLK/ WHT WIRE
BLK/WHT WIRE
BRN WIRE
BRN/WHT WIRE
CFAN LO RLY INJ 7 CTRL INJ 4 CTRL
COOLING FANS SYSTEM
DK BLU WIRE
DK BLU/WHT WIRE
DK GRN WIRE
ELECTRONIC SUSPENSION SYSTEM
FUEL COMP SIG B+ CLS 2 DATA
FUEL INJECTORS
FUSE
FUSE FUSE
GRY WIRE
HOT AT ALL TIMES
HOT IN ACCY, RUN, START I/P FUSE BLOCK IGN 0 FUSE
HOT IN RUN, START
KS SIGNAL
KS SIGNAL CKP SIG REQ TORQ SIG SERIAL DATA SERIAL DATA
LT BLU WIRE
LT BLU/BLK WIRE
LT GRN WIRE
LT GRN/BLK WIRE
OIL LEV SW SIG
ORG/ WIRE
ORG/BLK WIRE
PCMB FUSE
PNK PNK WIRE
PNK WIRE
PNK/BLK WIRE
PNK/WHT WIRE
POWERTRAIN CONTROL MODULE (LEFT FRONT OF ENGINE COMPT)
PPL
PPL PPL
PPL/WHT WIRE
PRND B SIG CMP SIG ECT SIG IGN INJ 5 CTRL INJ 8 CTRL
RANGE B RANGE C IGN B+ REF LOW
RED WIRE
RED/BLK WIRE
REF LOW
REF LOW (A/T) REF LOW
REF LOW GND
STARTING/ CHARGING SYSTEM
TAN WIRE
TAN/WHT WIRE
UNDER- HOOD FUSE BLOCK
WHT WIRE
YEL WIRE
YEL/BLK WIRE
Go to component -> Wiring diagram engine performance 6.0l vin u, except hybrid (1 of 5) -> BLK WIRE
