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 (361 of 555)
AUTOMATIC TRANSMISSION (6.6L)
AUTOMATIC TRANSMISSION FLUID PRESSURE (TFP) MANUAL VALVE POSITION SWITCH
BCK/UP LAMP PCB RELAY
BCK/UP RLY LOW SPEED SERIAL DATA
BCK/UP SIG
BLK WIRE
BLK/WHT WIRE
BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH)
BRN WIRE
COMPUTER DATA LINES SYSTEM
CONTROL SOLENOID VALVE ASSEMBLY
DATA BUS -
DK BLU WIRE
DK GRN WIRE
DK GRN/WHT WIRE
EXCEPT 6.6L 6.6L
GMLAN SERIAL HI SPD
GRD
GRN WIRE
GRY WIRE
HIGH SPEED BUS -
HIGH SPEED GMLAN SERIAL DATA BUS +
INSIDE REARVIEW MIRROR (ISRVM)
LEFT BACKUP LAMP
LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH)
LT GRN WIRE
LT GRN/BLK WIRE
MJR
NCA WIRE
ORG/ WIRE
PARK/NEUTRAL POSITION (PNP) SWITCH (ON LEFT REAR SIDE OF TRANSMISSION)
PNK WIRE
POWER DISTRIBUTION SYSTEM
REAR LAMPS JUNCTION BLOCK (INSIDE OF LEFT REAR FRAME RAIL)
REARVIEW CAMERA (LEFT OF TAILGATE HANDLE)
RED WIRE
RED/BLK WIRE
RIGHT BACKUP LAMP
SW SIG 4
SW SIG A
SW SIG B
SW SIG C
TAN WIRE
TAN/BLK WIRE
TAN/WHT WIRE
TRAILER TOW CIRCUIT
TRANS RANGE SIG A
TRANS RANGE SIG B
TRANS RANGE SIG C
TRANSMISSION CONTROL MODULE (TCM)
TRANSMISSION CONTROL MODULE (TCM) (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD)
TRANSMISSION RANGE SWITCH SIGNAL A
TRANSMISSION RANGE SWITCH SIGNAL B TRANSMISSION RANGE SWITCH SIGNAL C
TRLR BCK/UP FUSE 10 FUSE 9
UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT)
VEH BCK/UP FUSE 15 FUSE 14
W/ COMFORT, DECOR LEVEL 3 CONVENIENCE PACKAGE
W/ REARVIEW CAMERA
W/ SPO REARVIEW CAMERA
WHT WIRE
YEL WIRE
YEL/BLK WIRE
Go to component -> Backup lamps circuit -> BLK WIRE
blk wiring diagram (362 of 555)
1 2 3 4 9 10 BATTERY (+) BATTERY (+) BATTERY (+) BATTERY (+) GROUND BATTERY (+)
BCM FUSE
BLK WIRE
BLK/WHT WIRE
BODY CONTROL MODULE (BCM) (ON LOWER LEFT SIDE OF DASH)
COMPUTER DATA LINES SYSTEM
CREW CAB ONLY
CTSY FUSE
DIM FUSE
DK GRN WIRE
DOOR LATCH ASSEMBLY (LEFT REAR)
DOOR LATCH ASSEMBLY (PASSENGER)
DOOR LATCH ASSEMBLY (RIGHT REAR)
DOOR LATCH ASSEMBLY- DRIVER
DOOR LOCKS SYSTEM
FUSE BLOCK (I/P) (LEFT SIDE OF DASH)
GRY WIRE
GRY/BLK WIRE
HEAD
HEADLAMP, PANEL DIMMER SWITCH
HOT AT ALL TIMES
IS LPS FUSE
JUNCTION BLOCK (LEFT I/P)
JUNCTION BLOCK (RIGHT I/P) (IN RIGHT END OF DASH)
LEFT FRONT DOOR OPEN SW
LT BLU WIRE
LT BLU/BLK WIRE
LT GRN WIRE
LT GRN/BLK WIRE
LT STOP TRN FUSE
PARK AUTO OFF
PARK BRAKE SW SIGNAL
PNK IG III WIRE
PNK WIRE
RED/WHT WIRE
RT STOP TRN FUSE
STOP LAMPS FUSE
TAN WIRE
TAN/BLK WIRE
TAN/WHT WIRE
WHT WIRE
Go to component -> Chime circuit, without an3/dl3 option (1 of 2) -> BLK WIRE
blk wiring diagram (363 of 555)
1 8 13 B+ LOW REF LO SPD DATA
BLK WIRE
BLK/WHT WIRE
BLU WIRE
CHIME MODULE (EXCEPT W/RADIO) (CENTER OF DASH)
COMPUTER DATA LINES SYSTEM
DIESEL
DK GRN WIRE
DLIS FUSE 36 FUSE 34
DRIVER SEAT BELT SW SIG
DRIVER'S INFO CENTER
DRIVER'S SEAT BELT WARNING LED
EXCEPT W/RADIO
GAS DIESEL
GMLAN LO-SPD SERIAL DATA
GRY WIRE
HOT AT ALL TIMES
IGNITION SWITCH
INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (UNDER DRIVER'S SEAT)
INSTRUMENT PANEL CLUSTER
IPC FUSE 48 FUSE 46
JUNCTION BLOCK (LEFT I/P) (LOWER LEFT SIDE OF DASH)
KEY-IN IGNITION SWITCH
LOGIC
LT BLU WIRE
NCA WIRE
PARK BRAKE SWITCH (ON PARK BRAKE PEDAL ASSEMBLY)
PARK/NEUTRAL POSITION SWITCH (ON LEFT REAR SIDE OF TRANSMISSION)
PNK LOW REF WIRE
PNK PNK SUPPLEMENTAL RESTRAINTS SYSTEM WIRE
PNK WIRE
RADIO (W/RADIO) (CENTER OF DASH)
RANGE SW - C
RANGE SW A
RANGE SW B
RANGE SW P
RDO FUSE 43 FUSE 41
RED/WHT WIRE
SEAT BELT BUCKLE (DRIVER) SEAT BELT SWITCH
SOUND SYSTEM
SPLICE PACK
TAN WIRE
TAN/BLK WIRE
TAN/WHT WIRE
TRANSMISSION CONTROL MODULE (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD)
UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPARTMENT)
W/RADIO
WHT WIRE
YEL WIRE
Go to component -> Chime circuit, without an3/dl3 option (2 of 2) -> BLK WIRE
blk wiring diagram (364 of 555)
14 15 RR DR SW LR DR SW
2 10 B+ SERIAL DATA
5 1 LP CTRL SPLY VOLT
5 13 9 LOW REF SW SIG SER DATA
6 4 GND B+
9 12 PPL
9 5 4 13 SER DATA LOW REF SW SIG SW SIG
ASSEMBLY (CREW CAB) (REAR OF RIGHT REAR DOOR)
BLK WIRE
BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH)
CENTER HIGH MOUNTED STOP LAMP (CHMSL)
COMPUTER DATA LINES SYSTEM
COURTESY LP 18 25 SPLY VOLT PPL DEFEAT SW
DDM FUSE 4
DEF SW
DIM FUSE 7
DK BLU/WHT WIRE
DK GRN WIRE
DOME LAMP
DOME SW
DRIVER DOOR LATCH ASSEMBLY (REAR OF DRIVER'S DOOR)
DRIVER DOOR LOCK/WINDOW SWITCH
FRONT DOME/ READING LAMPS
GRY WIRE
GRY/BLK WIRE
HEADLAMP, PANEL DIMMER SWITCH
HOT AT ALL TIMES
I/P FUSE BLOCK (LEFT SIDE OF DASH,
IS LPS FUSE 17
LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH)
LEFT REAR DOOR LATCH ASSEMBLY (CREW CAB: REAR OF LEFT REAR DOOR)
LEFT SUNSHADE (IF EQUIPPED)
LEFT VANITY MIRROR LAMP
LT BLU/BLK WIRE
LT GRN WIRE
LT GRN/BLK WIRE
MODULE
NCA WIRE
ORG/ WIRE
PASSENGER DOOR LATCH ASSEMBLY (REAR OF PASSENGER'S DOOR)
PASSENGER DOOR LOCK/WINDOW SWITCH
PDM FUSE 9
READING LAMPS
REAR DOME/ READING LAMPS (EXTENDED CAB, CREW CAB)
RED/WHT WIRE
RIGHT REAR DOOR LATCH
RIGHT SUNSHADE (IF EQUIPPED)
RIGHT VANITY MIRROR LAMP
TAN/WHT WIRE
VOLT
W/ COMFORT, DECOR LEVEL 3 CONVENIENCE PACKAGE
W/ INDIVIDUAL FRONT SEAT, POWER MIRROR
W/ NON BUCKET FRONT INDIVIDUAL SEAT
W/ NON BUCKET FRONT INDIVIDUAL SEAT, POWER MIRRORS
W/O COMFORT, DECOR LEVEL 3 CONVENIENCE PACKAGE
WHT/BLK WIRE
YEL WIRE
Go to component -> Courtesy lamps circuit, with an3/dl3 -> BLK WIRE
blk wiring diagram (365 of 555)
10 20 8 14 15 LF DR SW DR DOOR RF DR SW RR DR SW LR DR SW
2 10 B+ SERIAL DATA
5 1 LP CTRL SPLY VOLT
ASSEMBLY (CREW CAB) (REAR OF RIGHT REAR DOOR)
BLK WIRE
BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH)
CENTER HIGH MOUNTED STOP LAMP (CHMSL)
COMPUTER DATA LINES SYSTEM
COURTESY LP 18 25 SPLY VOLT PPL DEFEAT SW
DEF SW
DIM FUSE 7
DK BLU/WHT WIRE
DK GRN WIRE
DOME SW
FRONT DOME/ READING LAMPS
GRY WIRE
GRY/BLK WIRE
HEADLAMP, PANEL DIMMER SWITCH
HOT AT ALL TIMES
I/P FUSE BLOCK (LEFT SIDE OF DASH,
IS LPS FUSE 17
LATCH ASSEMBLY
LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH)
LEFT REAR DOOR LATCH ASSEMBLY (CREW CAB: REAR OF LEFT REAR DOOR)
LEFT VANITY MIRROR LAMP DOME LAMPS LEFT SUNSHADE (IF EQUIPPED)
LT BLU/BLK WIRE
LT GRN WIRE
LT GRN/BLK WIRE
NCA WIRE
ORG/ WIRE
PASSENGER DOOR LATCH ASSEMBLY (REAR OF PASSENGER'S DOOR)
PPL 9 12
READING LAMPS
REAR DOME/ READING LAMPS (EXTENDED CAB, CREW CAB)
RED/WHT WIRE
RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH)
RIGHT REAR DOOR LATCH
RIGHT SUNSHADE (IF EQUIPPED)
RIGHT VANITY MIRROR LAMP
TAN/WHT WIRE
VOLT
W/ COMFORT, DECOR LEVEL 3 CONVENIENCE PACKAGE
W/ ELECTRIC DOOR LOCK
W/ POWER WINDOWS
W/O COMFORT, DECOR LEVEL 3 CONVENIENCE PACKAGE
W/O ELECTRIC DOOR LOCK
WHT/BLK WIRE
Go to component -> Courtesy lamps circuit, without an3/dl3 -> BLK WIRE
blk wiring diagram (366 of 555)
7 3 SUPPLY VOLT LOW REF
BATTERY
BLK WIRE
COMPUTER DATA LINES SYSTEM
DDM FUSE 4
DK GRN WIRE
DRIVER DOOR LOCK/ WINDOW SWITCH
DRIVER OUTSIDE REARVIEW MIRROR
GRN WIRE
GROUND
HOT AT ALL TIMES
I/P FUSE BLOCK (LEFT SIDE OF DASH,
LOGIC HVAC CONTROL MODULE
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 an3/dl3 -> BLK WIRE
blk wiring diagram (367 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
REAR DEFOG RELAY
REAR DEFOGGER IND
REAR DEFOGGER SWITCH
UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT)
WHT WIRE
Go to component -> Heated mirrors circuit, without an3/dl3 -> BLK WIRE
blk wiring diagram (368 of 555)
12 VOLT REFERENCE
BAT POS VOLT
BLK WIRE
BLK/WHT WIRE
BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH)
COMPUTER DATA LINES SYSTEM
DK GRN WIRE
GROUND
HOT AT ALL TIMES
I/P FUSE BLOCK (LEFT SIDE OF DASH,
LT GRN WIRE
OUTSIDE IGN MOISTURE VOLT SENSOR SIGNAL
OUTSIDE MOISTURE SENSOR SIGNAL
OUTSIDE MOISTURE SIG 1
OUTSIDE MOISTURE SIG 2
POWER DISTRIBUTION SYSTEM
RED/WHT WIRE
RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH)
RT STOP TRN FUSE 8
SERIAL DAT
TAN WIRE
WHT WIRE
WINDSHIELD OUTSIDE MOISTURE SENSOR (NEAR INSIDE REARVIEW MIRROR MOUNT)
Go to component -> Moisture sensor circuit -> BLK WIRE
blk wiring diagram (369 of 555)
ANTI-LOCK BRAKES SYSTEM
BACKUP LAMPS CIRCUIT
BLK WIRE
BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH)
BREAKOUT)
BRN WIRE
CAMPER TRAILER BLUNT CUTS
DK BLU WIRE
DK GRN WIRE
EXTERIOR LIGHTS CIRCUIT
HOT AT ALL TIMES
HOT W/ BCK/UP LAMP RELAY ENERGIZED
HOT W/ PARK LAMP RELAY ENERGIZED
LEFT REAR FRAME RAIL) (31 SERIES: ON LEFT FRAME RAIL)
LT BLU/WHT WIRE
LT GRN WIRE
LT TRAILER TURN SIG LMP
ORG/ WIRE
POWER DISTRIBUTION SYSTEM
RED/BLK WIRE
RT TRAILER TURN SIG LMP
STUD 1 FUSE 68 FUSE 63
STUD 2 FUSE 63 FUSE 58
TRAILER BRAKE CONTROLLER SOLID STATE RELAY (20/30 SERIES:
TRAILER CONNECTOR (W/ TRUCK TRAILER WIRING HARNESS) (AT REAR OF VEHICLE)
TRAILER PROVISION (BLUNT CUT)
TRLR BCK/UP FUSE 10 FUSE 9
TRLR LT STOP/TURN PCB RELAY
TRLR PRK FUSE 25 FUSE 22
TRLR RT STOP/TURN PCB RELAY
TRLR STOP LT FUSE 3 FUSE 2
TRLR STOP RT FUSE 1 FUSE 4
UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT)
W/ TRAILER BRAKE CONTROL
W/O TRAILER BRAKE CONTROL
WHEEL TRAILER WIRING PROVISIONS, 97 DECIBELS ELECTRICAL BACKUP ALARM
WHT WIRE
YEL WIRE
Go to component -> Trailer tow circuit -> BLK WIRE
blk wiring diagram (370 of 555)
BATT POS VOLT GND
BLK WIRE
BLK/WHT WIRE
BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH)
COMPUTER DATA LINES SYSTEM
DK BLU/WHT WIRE
DK GRN WIRE
DRIVER INFORMATION CENTER (DIC)
HOT AT ALL TIMES
I/P WINDSHIELD WASHER SOLVENT HEATER SWITCH MULTI- FUNCTION SWITCH
IGN I/II
INSTRUMENT PANEL CLUSTER (IPC)
LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH)
LOGIC
LOW SPD GMLAN SERIAL DATA
LT GRN WIRE
NCA WIRE
ORG/ WIRE
PNK WIRE
RED/BLK WIRE
UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT)
WASHER FLD HTD CTRL SW LED SUPPLY VOLT GND WNDSHLD WASHER SW SIG IGNITION 3 VOLT
WINDSHIELD WASHER SOLVENT HEATER (LEFT REAR CORNER OF ENGINE COMPT)
WINDSHIELD WASHER SW SIG PNK WIRE
WIPER/ WASHER CIRCUIT
WSW/HTR FUSE 66 (EXCEPT 6.6L) FUSE 61 (6.6L)
Go to component -> Windshield washer solvent heater circuit -> BLK WIRE
