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

1 4 5 6 GND GND B+ B+ 2426 2080 2482 2435 PNK LOW REF LOW REF LOW REF LOW REF WIRE 4 1 3 2 2425 2079 2436 2434 TEMP SIG TEMP SIG TEMP SIG TEMP SIG BLK WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DRIVER BACK HEATED SEAT ELEMENT (IN DRIVER'S SEAT BACK) DRIVER CUSHION HEATED SEAT ELEMENT (IN DRIVER'S SEAT CUSHION) DRIVER SEAT 2 GRY WIRE HOT AT ALL TIMES LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE MEMORY SEAT MODULE (UNDER FRONT OF DRIVER'S SEAT) NCA WIRE PASSENGER BACK HEATED SEAT ELEMENT (IN PASSENGER'S SEAT BACK) PASSENGER CUSHION HEATED SEAT ELEMENT (IN PASSENGER'S SEAT CUSHION) PNK ELEM CTRL WIRE PNK WIRE PPL RED/WHT WIRE SERIAL DATA TAN WIRE TAN/BLK WIRE YEL WIRE YEL/BLK WIRE

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

BLK WIRE DK BLU WIRE DK GRN WIRE HOT AT ALL TIMES LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE NCA WIRE PASS SEAT 1 CIRCUIT BREAKER PASSENGER SEAT ADJUSTER MOTOR ASSEMBLY (ON PASSENGER'S SEAT TRACK) PASSENGER SEAT ADJUSTER SWITCH PASSENGER SEAT FRONT VERTICAL MOTOR PASSENGER SEAT HORIZONTAL MOTOR PASSENGER SEAT REAR VERTICAL MOTOR RED/WHT WIRE RWD TAN WIRE YEL WIRE

BLK WIRE DK BLU WIRE DK GRN WIRE HOT AT ALL TIMES LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE NCA WIRE ORG/ WIRE PASS SEAT 1 CIRCUIT BREAKER PASSENGER SEAT ADJUSTER MOTOR ASSEMBLY (ON PASSENGER'S SEAT TRACK) PASSENGER SEAT ADJUSTER SWITCH PASSENGER SEAT FRONT VERTICAL MOTOR PASSENGER SEAT HORIZONTAL MOTOR PASSENGER SEAT LUMBAR HORIZONTAL MOTOR (IN PASSENGER'S SEAT BACK) PASSENGER SEAT LUMBAR SWITCH PASSENGER SEAT LUMBAR VERTICAL MOTOR PASSENGER SEAT REAR VERTICAL MOTOR PASSENGER SEAT RECLINE MOTOR (LOWER RIGHT SIDE OF PASSENGER'S SEAT BACK) PNK WIRE RED/WHT WIRE RWD TAN WIRE WHT WIRE YEL WIRE

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

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

ACCES- SORY VOLTAGE BLK WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) BRN/WHT WIRE CLOSE HOT AT ALL TIMES ILLUMI- NATION LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) POWER DISTRIBUTION SYSTEM PPL PWR REAR WNDW CIRCUIT BREAKER RED WIRE RED/WHT WIRE SLIDING REAR WINDOW CLOSE RELAY SLIDING REAR WINDOW MOTOR (RIGHT REAR OF PASSENGER COMPT) SLIDING REAR WINDOW OPEN RELAY SLIDING REAR WINDOW SWITCH TAN WIRE WHT WIRE YEL WIRE