GMC Sierra 2500 HD (2002-2012) brn Wiring diagrams

4 6 B+ GND BACK SEAT IND BLK WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CUSHION/BACK IND DDM FUSE 4 DK BLU WIRE DK GRN WIRE DRIVER DOOR LOCK/ WINDOW SWITCH DRIVER HEATED SEAT SWITCH DSM FUSE 25 GRY WIRE HIGH IND HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE OF DASH, LOW IND LT BLU WIRE MED IND PASSENGER DOOR LOCK/ WINDOW SWITCH PASSENGER HEATED SEAT SWITCH PDM FUSE 9 PNK WIRE POWER DISTRIBUTION SYSTEM PPL RED/WHT WIRE RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) SERIAL DATA TAN WIRE WHT/BLK WIRE YEL WIRE

AUX HVAC-IGN FUSE 48 FUSE 45 BLK WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) BRN WIRE DIM SIG DK GRN/WHT WIRE EXCEPT 6.6L 6.6L HEATED STEERING FUSE HOLDER (ON STEERING COLUMN) HEATED STEERING WHEEL HEATED STEERING WHEEL CONTROL MODULE (IN STEERING WHEEL) HEATED STEERING WHEEL IND HEATED STEERING WHEEL SWITCH HOT W/ RUN/CRNK RELAY ENERGIZED IGN LED CNTRL SW SIG VOLT REF SNS SIG WHL CNTRL GND INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL (BEHIND STEERING WHEEL) INFLATABLE RESTRAINTS STEERING WHEEL MODULE COIL (BEHIND STEERING WHEEL) LEFT STEERING WHEEL CONTROL SWITCH LT GRN/BLK WIRE LT GRN/WHT WIRE NCA WIRE ORG/ WIRE PNK WIRE RED WIRE RED/BLK WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) YEL WIRE

B+ VOLT BLK WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH, BELOW STEERING COLUMN) BRN WIRE BRN/WHT WIRE DK BLU WIRE DK GRN WIRE DOOR LOCKS SYSTEM DOWN DRIVER DOOR SWITCH (DDS) DRIVER WINDOW EXPRESS DOWN WINDOW DOWN FUSE BLOCK (I/P) (LEFT SIDE OF DASH) GROUND HOT AT ALL TIMES ILLUMINATION JUNCTION BLOCK (LEFT I/P) JUNCTION BLOCK (RIGHT I/P) LO SPD SERIAL DATA LO-SPEED SERIAL DATA LOGIC LOGIC B+ LOGIC PWR WND LOCKOUT LR SIGNAL LR WINDOW LT BLU/WHT WIRE LT DR CIRCUIT BREAKER LT GRN WIRE PASSENGER DOOR SWITCH (PDS) PPL PPL PWR WND SWITCH LR DOWN SIGNAL PWR WND LOCKOUT LR CTRL PWR WND LOCKOUT RR CTRL PWR WND LOCKOUT RR SIG PWR WND MOTOR LF DOWN CTRL PWR WND MOTOR LF UP CTRL PWR WND MOTOR LR DOWN CTRL PWR WND MOTOR RF DOWN CTRL PWR WND MOTOR RF UP CTRL PWR WND MOTOR RR UP CTRL PWR WND SW LR DOWN SIG PWR WND SW LR UP SIG PWR WND SW RR DOWN SIG PWR WND SW RR UP SIG PWR WND SWITCH LR UP SIGNAL PWR WND SWITCH RR DOWN SIGNAL PWR WND SWITCH RR UP SIGNAL RED/WHT WIRE RR WINDOW RT DOORS CIRCUIT BREAKER SPLICE PACK SWITCH POWER UP LEFT REAR WINDOW PWR WND MOTOR LR UP CTRL W/ POWER REAR SIDE WINDOWS WINDOW DOWN WINDOW LOCKOUT INDICATOR DOWN WINDOW LOCKOUT SWITCH WINDOW MOTOR (DRIVER) (INSIDE DRIVER'S DOOR) WINDOW MOTOR (LEFT REAR) (IN LEFT REAR DOOR) WINDOW MOTOR (PASSENGER) (INSIDE PASSENGER'S DOOR) WINDOW MOTOR (RIGHT REAR) (IN RIGHT REAR DOOR) WINDOW PASSENGER WINDOW SWITCH (LEFT REAR) (W/POWER REAR SIDE WINDOWS) WINDOW SWITCH (RIGHT REAR) (W/POWER REAR SIDE WINDOWS) WINDOW SWITCH PASSENGER WINDOW UP WINDOW UP EXPRESS DOWN WINDOW DOWN WINDOW UP RIGHT REAR WINDOW PWR WND MOTOR RR DOWN CTRL

ACCESSORY VOLTAGE B+ VOLT BLK WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN WIRE BRN/WHT WIRE DK BLU WIRE DK GRN WIRE DRIVER WINDOW FUSE BLOCK (I/P) (LEFT SIDE OF DASH) GROUND HOT AT ALL TIMES ILLUMINATION JUNCTION BLOCK (LEFT I/P) LEFT REAR WINDOW SWITCH LOGIC ACCESSORY VOLTAGE LOGIC B+ LOGIC B+ VOLT LR WINDOW LT BLU WIRE LT BLU/WHT WIRE LT DR CIRCUIT BREAKER LT GRN WIRE POWER TOPS SYSTEM PPL PWR WND LOCKOUT LR CTRL PWR WND LOCKOUT LR SIGNAL PWR WND LOCKOUT RR CONTROL PWR WND LOCKOUT RR CTRL PWR WND MOTOR LF DOWN CTRL PWR WND MOTOR LF UP CTRL PWR WND MOTOR LR DOWN CTRL PWR WND MOTOR LR UP CTRL PWR WND MOTOR RF DOWN CTRL PWR WND MOTOR RF UP CTRL PWR WND MOTOR RR DOWN CTRL PWR WND MOTOR RR UP CTRL PWR WND SW LR DOWN SIG PWR WND SW LR UP SIG PWR WND SW PASS DOWN SIG PWR WND SW PASS UP SIG PWR WND SW RR DOWN SIG PWR WND SW RR UP SIG PWR WND SWITCH LR UP SIGNAL PWR WND SWITCH RR DOWN SIGNAL PWR WND SWITCH RR UP SIGNAL RED/WHT WIRE RIGHT REAR WINDOW SWITCH RR WINDOW RT DOORS CIRCUIT BREAKER TAN WIRE UP EXPRS DOWN WINDOW DOWN WINDOW DOWN PWR WND SWITCH LR DOWN SIGNAL WINDOW DOWN WINDOW UP WINDOW MOTOR (DRIVER) (INSIDE DRIVER'S DOOR) WINDOW MOTOR (FRONT PASSENGER) (INSIDE FRONT PASSENGER'S DOOR) WINDOW MOTOR (LEFT REAR) (IN LEFT REAR DOOR) WINDOW MOTOR (RIGHT REAR) (IN RIGHT REAR DOOR) WINDOW PASSENGER WINDOW SWITCH WINDOW SWITCH (LEFT REAR) (W/REAR SIDE POWER WINDOWS) WINDOW SWITCH (RIGHT REAR) (W/REAR SIDE POWER WINDOWS) WINDOW SWITCH PASSENGER WINDOW SWITCH- DRIVER WINDOW UP YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 L AUD+ R AUD+ 1 2 3 4 B+ LF SPK+ RF SPK+ VOICE SIG/ ANTENNA AUD SIG AUDIO W/ DVD NAVIGATION BLK WIRE BLUNT CUT) BRN WIRE BRN/WHT WIRE CELLULAR TELEPHONE MICROPHONE (IN OVERHEAD CONSOLE) CELLULAR/ NAVIGATION ANTENNA CELLULAR/ NAVIGATION, DIGITAL RADIO ANTENNA CELLULAR/NAVIGATION, DIGITAL RADIO ANTENNA (LEFT FRONT OF ROOF) COAX COAX COAX COMPUTER DATA LINES SYSTEM DIGITAL RADIO RECEIVER (BEHIND RIGHT END OF DASH) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE GMLAN GREEN LED GRY WIRE HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE OF DASH, INFO FUSE 22 KEYPAD SIG L AUD - R AUD - DRAIN WIRE LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LOW REF LOW REF/ DRAIN WIRE 6 7 8 9 10 11 12 13 14 REM SIG LED CNTRL GND LF SPK- RF SPK- LR AUD + RR AUD + VOICE SIG LR AUD - RR AUD - LOW REF LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE PNK WIRE PNK/BLK WIRE POWER DISTRIBUTION SYSTEM RADIO RDO FUSE 42 FUSE 39 RED LED WIRE RED/WHT WIRE SHIELD SUPPLY TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TELE SIG UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) USB CABLE USB RECEPTACLE (IF EQUIPPED) VEHICLE COMMUNICATION INTERFACE MODULE (VCIM) (BEHIND CENTER OF DASH) VOICE SIG WHT WIRE YEL WIRE YEL/BLK WIRE

BLK WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE GMLAN GRY WIRE HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE OF DASH, INFRARED REF INFRARED V INSIDE REARVIEW MIRROR (ISRVM) L INFRARED LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/BLK WIRE PNK WIRE PPL/WHT WIRE R INFRARED REAR SEAT AUDIO (RSA) CONTROL (IF EQUIPPED) RED/WHT WIRE RIGHT I/P J/B (IN RIGHT END OF DASH) RSE FUSE 19 TAN WIRE W/ S-BAND DIGITAL AUDIO SYSTEM / VEHICLE COMUNICATION SYSTEM WHT WIRE YEL WIRE YEL/BLK WIRE

17 6 PNK 12 VOLT SW SIG WIRE 6 7 8 9 10 11 12 13 14 15 16 VIDEO SIG (+) VIDEO SIG (-) 8 9 DATA BUS (+) DATA BUS (-) ANTI-LOCK BRAKES SYSTEM AUD LOW REF AUDIO/VIDEO ADAPTER AUX VID H BLK WIRE BLU DK WIRE BLU LT WIRE BLUNT CUT) BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES CREW CAB CREW CAB EXTENDED CAB CRUISE CONTROL SYSTEM DK BLU WIRE DK BLU/GRY WIRE DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE DVD DVD COMM ENABLE SIG EXTENDED CAB GRY WIRE GRY/ORG WIRE I/P FUSE BLOCK (LEFT SIDE OF DASH, INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL INFRARED TRANSMITTER L AUD SIG L AUX AUDIO L DVD+ LEFT FRONT SPEAKER LEFT REAR SPEAKER LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE NAVIGATION SYSTEM NCA WIRE ORG/BLK WIRE PNK PNK PNK WIRE PNK WIRE PNK/BLK WIRE PPL PPL/WHT WIRE R AUD SIG R AUX AUDIO R DVD+ RADIO RED/WHT WIRE RIGHT FRONT SPEAKER RIGHT FRONT TWEETER SPEAKER RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) RIGHT REAR SPEAKER RIGHT STEERING WHEEL CONTROL SWITCH SHIELD SIGNAL SOURCE PREVIOUS SEEK SYSTEM TAN WIRE TAN/BLK WIRE TAN/WHT WIRE VIDEO CNTRL VIDEO DISPLAY VIDEO SIG VOICE REC VOLT VOLUME NEXT VOLUME DOWN UP VSS W/ AUTOMATIC CRUISE CONTROL/ ACCESSORY STEERING WHEEL CONTROL W/ DUAL EXTENDED RANGE QUARTER MOUNTED, DUAL FRONT DOOR MOUNTED 4 SPEAKER SYSTEM W/ PERFORMANCE ENHANCED AUDIO W/O AUTOMATIC CRUISE CONTROL W/ AUTOMATIC CRUISE CONTROL WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 367 368 2099 L AUD+ R AUD+ DRAIN WIRE 1 2 3 4 B+ LF AUD+ RF AUD+ VOICE SIG/ 1999 1946 659 LR AUD- RR AUD- LOW REF 372 388 1573 L AUD- R AUD- DRAIN WIRE 599 546 658 LR AUD+ RR AUD+ VOICE SIG AMP FUSE 41 FUSE 38 ANTENNA AUD SIG AUDIO W/ DVD NAVIGATION BLK WIRE BLUNT CUT) BRN WIRE BRN/WHT WIRE CELLULAR TELEPHONE MICROPHONE (IN OVERHEAD CONSOLE) CELLULAR/ NAVIGATION ANTENNA CELLULAR/ NAVIGATION, DIGITAL RADIO ANTENNA CELLULAR/NAVIGATION, DIGITAL RADIO ANTENNA (LEFT FRONT OF ROOF) COAX COAX COAX COMPUTER DATA LINES SYSTEM CUT) DIGITAL RADIO RECEIVER (BEHIND RIGHT END OF DASH) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE GMLAN GREEN LED GRY WIRE HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE OF DASH, INFO FUSE 22 KEYPAD SIG LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LOW REF LT BLU/BLK WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE NCA WIRE ORG/BLK WIRE PNK WIRE PNK/BLK WIRE POWER DISTRIBUTION SYSTEM RADIO RED LED WIRE RED/WHT WIRE RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) RSE FUSE 19 SHIELD SUPPLY TAN WIRE TAN/BLK WIRE TAN/WHT WIRE USB CABLE USB CABLE USB RECEPTACLE (IF EQUIPPED) VEHICLE COMMUNICATION INTERFACE MODULE (VCIM) (BEHIND CENTER OF DASH) VOICE SIG W/ ONSTAR W/ REAR SEAT ENTERTAINMENT PACKAGE WHT WIRE YEL WIRE YEL/BLK WIRE

AMPLF+ BLK WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE F CENTR SPK- GMLAN GRD GRY WIRE INFRARED REF INFRARED V INSIDE REARVIEW MIRROR (ISRVM) L INFRARED L SUBWFR - LEFT I/P J/B (LOWER LEFT SIDE OF DASH) LF AUD + LF SPK - LR AUD + LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE MICRO SIG + NCA WIRE ORG/BLK WIRE PNK WIRE PPL PPL/WHT WIRE R INFRARED R SUBWFR + REAR SEAT AUDIO (RSA) CONTROL RED/WHT WIRE RF AUD + RF SPK - RR AUD - SUBWOOFER SPEAKER TAN WIRE WHT WIRE YEL WIRE YEL/BLK WIRE

17 6 PNK 12 VOLT SW SIG WIRE 2500 2501 COMPUTER DATA LINES 8 9 DATA BUS (+) DATA BUS (-) ANTI-LOCK BRAKES SYSTEM AUD LOW REF AUDIO/VIDEO ADAPTER AUX VID H BLK WIRE BLUNT CUT) BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) BRN WIRE BRN/WHT WIRE CENTER I/P SPEAKER CREW CAB EXTENDED CAB CRUISE CONTROL SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE DRAIN WIRE AMPL- DVD DVD COMM ENABLE SIG GRY WIRE GRY/DK BLU WIRE GRY/ORG WIRE I/P FUSE BLOCK (LEFT SIDE OF DASH, INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL INFRARED TRANSMITTER L AUD SIG L AUX AUDIO L DVD+ LEFT FRONT SPEAKER LEFT FRONT TWEETER SPEAKER LEFT REAR SPEAKER LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE NAVIGATION SYSTEM NCA WIRE ORG/BLK WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE PPL PPL/WHT WIRE PREVIOUS SOURCE SEEK R AUD SIG R AUX AUDIO R DVD+ RADIO RED/WHT WIRE RIGHT FRONT SPEAKER RIGHT FRONT TWEETER SPEAKER RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) RIGHT REAR SPEAKER RIGHT STEERING WHEEL CONTROL SWITCH SHIELD SIGNAL SYSTEM TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRANSMISSIONS SYSTEM VIDEO CNTRL VIDEO DISPLAY VIDEO SIG VOICE VOLUME VOLUME NEXT REC DOWN UP VOLT VSS VIDEO SIG (+) VIDEO SIG (-) AMPL+ W/O AUTOMATIC CRUISE CONTROL W/ AUTOMATIC CRUISE CONTROL WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE