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 (441 of 555)
13 26 12 40 13 34 12 59 58 17 27 28 8 65 25 13 5 49 44 43 LOW REF
22 21 4 58 LOW REF ECT SENS SIG
4.3L
6.0L 4.8L, 5.3L, 6.2L
BLK WIRE
COMPUTER DATA LINES SYSTEM
COOLING FAN DIODE 1
COOLING FAN DIODE 2
DK BLU/WHT WIRE
DK GRN WIRE
ENGINE CONTROL MODULE (ECM)
FAN CNTRL RELAY
FAN HI RELAY
FAN LO RELAY
FAN-1 FUSE 60
FAN-2 FUSE 62
GRY WIRE
HOT AT ALL TIMES
LEFT COOLING FAN (LEFT FRONT OF ENGINE COMPT)
LT BLU WIRE
ORG/BLK WIRE
PWR/ TRN RELAY
RIGHT COOLING FAN (RIGHT FRONT OF ENGINE COMPT)
SENS SIG PWRTRN RLY CTRL FAN RLY CTRL FAN RLY CTRL DATA BUS (-) DATA BUS (+)
TAN WIRE
TAN/BLK WIRE
UNDER- HOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT)
YEL WIRE
Go to component -> 6.0l vin g, cooling fan circuit -> BLK WIRE
blk wiring diagram (442 of 555)
2500 2501 COMPUTER DATA LINES SYSTEM
66 46 SERIAL DATA + SERIAL DATA -
BLK WIRE
BLK/WHT WIRE
BRN/WHT WIRE
COMPUTER DATA LINES SYSTEM
DK BLU WIRE
DK GRN WIRE
DRIVER INFORMATION CENTER (DIC) DISPLAY
ECT SENS SIG
ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD)
ENGINE COOLANT LEVEL SWITCH (ON BOTTOM OF SURGE TANK)
ENGINE COOLANT TEMPERATURE (ECT) SENSOR (TOP FRONT CENTER OF ENGINE)
ENGINE COOLING FAN (FRONT CENTER OF ENGINE COMPT)
FAN FUSE 68
FAN RLY RELAY
GRY WIRE
HOT AT ALL TIMES
HVAC CONTROL MODULE
INSTRUMENT PANEL CLUSTER (IPC)
LOGIC
LOGIC B+ GND
LOW REF
LT GRN WIRE
MANUAL A/C AUTOMATIC A/C
RLY SPD SIG
SERIAL DATA
SPD SIG
SW SIG
TAN WIRE
TAN/BLK WIRE
UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT)
WHT WIRE
WHT/BLK WIRE
YEL WIRE
Go to component -> 6.6l vin 8, cooling fan circuit -> BLK WIRE
blk wiring diagram (443 of 555)
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)
INTAKE AIR VALVE
IPC FUSE 43
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
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 LOW REF
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
Go to component -> 6.6l vin 8, cruise control circuit -> BLK WIRE
blk wiring diagram (444 of 555)
2500 2501 COMPUTER DATA LINES SYSTEM
66 46 SERIAL DATA + SERIAL DATA -
BLK WIRE
BLK/WHT WIRE
BRN/WHT WIRE
COMPUTER DATA LINES SYSTEM
DK BLU WIRE
DK GRN WIRE
DRIVER INFORMATION CENTER (DIC) DISPLAY
ECT SENS SIG
ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD)
ENGINE COOLANT LEVEL SWITCH (ON BOTTOM OF SURGE TANK)
ENGINE COOLANT TEMPERATURE (ECT) SENSOR (TOP FRONT CENTER OF ENGINE)
ENGINE COOLING FAN (FRONT CENTER OF ENGINE COMPT)
FAN FUSE 68
FAN RLY RELAY
GRY WIRE
HOT AT ALL TIMES
HVAC CONTROL MODULE
INSTRUMENT PANEL CLUSTER (IPC)
LOGIC
LOGIC B+ GND
LOW REF
LT GRN WIRE
MANUAL A/C AUTOMATIC A/C
RLY SPD SIG
SERIAL DATA
SPD SIG
SW SIG
TAN WIRE
TAN/BLK WIRE
UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT)
WHT WIRE
WHT/BLK WIRE
YEL WIRE
Go to component -> 6.6l vin l, cooling fan circuit -> BLK WIRE
blk wiring diagram (445 of 555)
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)
INTAKE AIR VALVE
IPC FUSE 43
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
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 LOW REF
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
Go to component -> 6.6l vin l, cruise control circuit -> BLK WIRE
blk wiring diagram (446 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 LUXURY EDITION, W/ ODOMETER SECURITY PROVISIONS
W/O RADIO PROVISIONS
WHT WIRE
Go to component -> Computer data lines circuit (1 of 3) -> BLK WIRE
blk wiring diagram (447 of 555)
4.8L, 6.2L, 5.3L
5 4 12 13 HI SPD GMLAN (+) HI SPD GMLAN (-) HI SPD GMLAN (-) HI SPD GMLAN (+)
8600 GVM W/ ACTIVE BRAKE CONTROL
8600 GVW W/O ACTIVE BRAKE CONTROL
BLK WIRE
CAN BUS HI SERIAL DATA CAN BUS LOW SERIAL DATA
COMM ENABLE
DATA LINK RESISTOR (IN CHASSIS HARNESS, ON LEFT REAR CHASSIS CROSS MEMBER)
ELECTRONIC BRAKE CONTROL MODULE (EBCM) (ON LEFT SIDE OF FRAME ASSEMBLY)
EXCEPT 4.8L, 6.2L, 5.3L
HI SPD GMLAN
HI SPD GMLAN SERIAL DATA
LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH)
LESS THAN 8600 GVM
LO SERIAL DATA HI SERIAL DATA
LT BLU WIRE
LT GRN/BLK WIRE
LT GRN/WHT WIRE
SERIAL DATA
SERIAL DATA COMM ENABLE
TAN WIRE
TAN/BLK WIRE
TAN/WHT WIRE
TRAILER BRAKE
VEHICLE COMMUNICATION INTERFACE MODULE (VCIM) (BEHIND CENTER OF DASH)
W/ HYDRAULIC BRAKES W/ ACTIVE BRAKE CONTROL EXCEPT 10 SERIES
W/ ONSTAR
W/ TRAILER BRAKE
W/ TWO SPEED TRANSFER CASE
W/O
W/O INTEGRATED TRAILER BRAKE CONTROL
W/O ONSTAR
W/O TRAILER BRAKE
W/O TWO SPEED TRANSFER CASE
YEL WIRE
YEL/BLK WIRE
Go to component -> Computer data lines circuit (2 of 3) -> BLK WIRE
blk wiring diagram (448 of 555)
6.6L EXCEPT 6.6L, 4.3L 4.3L
BLK WIRE
DRIVER OUTSIDE REARVIEW MIRROR
EXCEPT 6.6L 6.6L
HOT AT ALL TIMES
HTD MIR FUSE 53 FUSE 51
LOGIC HVAC CONTROL MODULE
MANUAL A/C AUTOMATIC A/C
NCA WIRE
ORG/ WIRE
PASSENGER OUTSIDE REARVIEW MIRROR
POWER DISTRIBUTION SYSTEM
REAR DEFOG RELAY
REAR DEFOGGER IND
REAR DEFOGGER SWITCH
RED WIRE
RED/BLK WIRE
UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT)
WHT WIRE
Go to component -> Heated mirrors circuit, without power folding mirror -> BLK WIRE
blk wiring diagram (449 of 555)
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
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
Go to component -> Heated mirrors circuit, with power folding mirror -> BLK WIRE
blk wiring diagram (450 of 555)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 B+
1 8 13 B+ LOW REF LO SPD DATA
BLK WIRE
BLK/WHT WIRE
BLU WIRE
CHIME MODULE (CENTER OF DASH, BEHIND RADIO)
DK BLU WIRE
DK GRN WIRE
DLIS FUSE 35 FUSE 32
DRIVER INFORMATION CENTER (DIC) DISPLAY
DRIVER SEAT BELT BUCKLE DRIVER SEAT BELT SWITCH
GASOLINE DIESEL
HOT AT ALL TIMES
IGNITION SWITCH
INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (SDM) (UNDER DRIVER'S SEAT)
INSTRUMENT PANEL CLUSTER (IPC)
IPC FUSE 46 FUSE 43
KEY-IN IGNITION SWITCH
LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH)
LEFT SEAT BELT SW
LO SPD GMLAN SERIAL DATA
LOGIC
LOW ENGINE OIL PRESSURE IND
LOW REF
LOW TIRE PRESSURE IND
LT BLU WIRE
NCA WIRE
OFF
PARK BRAKE SWITCH (ON PARK BRAKE PEDAL ASSEMBLY)
PNK WIRE
PNK/BLK WIRE
POWER DISTRIBUTION SYSTEM
PPL
RADIO
RDO FUSE 42 FUSE 39
RED/WHT WIRE
RUN WIRE
SEAT BRAKE BELT IND IND
SERIAL DATA
SOUND SYSTEMS
SPLICE PACK
SUPPLEMENTAL RESTRAINTS SYSTEM
TAN WIRE
TAN/WHT WIRE
UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT)
W/ RADIO PROVISIONS
W/O LUXURY EDITION
W/O RADIO PROVISIONS
WHT WIRE
Go to component -> Warning systems circuit, without bucket seats & power mirrors (2 of 2) -> BLK WIRE
