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

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 367 368 L AUD+ R AUD+ 1 2 3 4 B+ LF SPK+ RF SPK+ VOICE SIG/ 116 115 659 LR AUD- RR AUD- LOW REF 199 46 658 LR AUD+ RR AUD+ VOICE SIG 372 388 1573 L AUD- R AUD- DRAIN WIRE ANTENNA AUD SIG BLK WIRE BLUNT CUT) BLUTOOTH WIRELESS CO- MMUNICATION INTERFACE ANTENNA (IF EQUIPPED) BRN WIRE BRN/WHT WIRE CELLULAR TELEPHONE MICROPHONE (IN OVERHEAD CONSOLE) CELLULAR/ NAVIGATION ANTENNA CELLULAR/ NAVIGATION, DIGITAL RADIO RADIO ANTENNA CELLULAR/NAVIGATION, DIGITAL RADIO ANTENNA (LEFT FRONT OF ROOF) COAX COAX COAX COMPUTER DATA LINES SYSTEM DIGITAL AUDIO SYSTEM W/ S-BAND, TRAFFIC DIGITAL AUDIO SYSTEM DIGITAL RADIO RECEIVER (BEHIND RIGHT END OF DASH) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE GASOLINE DIESEL W/O ONSTAR W/ ONSTAR W/O S-BAND, TRAFFIC GMLAN GREEN LED GRY WIRE HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE OF DASH, INFO FUSE 22 KEYPAD SIG LOW REF LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE PNK WIRE PNK/BLK WIRE 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 CABLE USB RECEPTACLE (IF EQUIPPED) VEHICLE COMMUNICATION INTERFACE MODULE (VCIM) (BEHIND CENTER OF DASH) VOICE SIG W/ ON STAR 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 RED/WHT WIRE RIGHT I/P J/B (IN RIGHT END OF DASH) RSE FUSE 19 TAN WIRE W/ REAR SEAT ENTERTAINMENT PACKAGE W/ S-BAND DIGITAL AUDIO SYSTEM/VEHICLE COMMUNICATION SYSTEM YEL WIRE YEL/BLK WIRE

BLK WIRE BLU DK WIRE BLU LT WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CREW CAB CREW CAB EXTENDED CAB DK BLU WIRE DK GRN WIRE DRAIN WIRE EXTENDED CAB GMLAN GRY WIRE I/P FUSE BLOCK (LEFT SIDE OF DASH, INFRARED REF INFRARED V L INFRARED LEFT FRONT SPEAKER LEFT REAR SPEAKER LT BLU WIRE LT GRN WIRE NCA WIRE ORG/BLK WIRE PNK WIRE PNK/BLK WIRE PPL/WHT WIRE R INFRARED REAR SEAT AUDIO (RSA) CONTROL (IF EQUIPPED) RED/WHT WIRE RIGHT FRONT SPEAKER RIGHT FRONT TWEETER SPEAKER RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) RIGHT REAR SPEAKER TAN WIRE W/ DUAL EXTENDED RANGE QUARTER MOUNTED, DUAL FRONT DOOR MOUNTED 4 SPEAKER SYSTEM W/ PERFORMANCE ENHANCED AUDIO W/ S-BAND DIGITAL AUDIO SYSTEM / VEHICLE COMUNICATION SYSTEM WHT WIRE YEL WIRE

17 6 PNK 12 VOLT SW SIG WIRE 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/WHT WIRE CAMERA SIG (+) VOICE SIG/REF CAMERA SIG (-) LOW REF/ DRAIN WIRE COMPUTER DATA LINES CRUISE CONTROL SYSTEM DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE DRAIN WIRE DVD+ R DVD+ DVD AUD SH R AUX AUD DRAIN WIRE DVD DVD COMM ENABLE SIG GRY WIRE HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE OF DASH, INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL INFRARED TRANSMITTER INFRARED- DRAIN WIRE L AUD SIG L AUX AUDIO L DVD+ LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE NAVIGATION SYSTEM NCA WIRE ORG/BLK WIRE PNK 7 8 9 10 11 12 13 14 15 16 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 I/P J/B (IN RIGHT END OF DASH) RIGHT STEERING WHEEL CONTROL SWITCH RSE FUSE 19 SHIELD SIGNAL SOURCE PREVIOUS SEEK SYSTEM TAN WIRE TAN/BLK WIRE TAN/WHT WIRE VIDEO CNTRL VIDEO DISPLAY VIDEO SIG VOLT VOLUME VOICE NEXT VOLUME DOWN REC UP VSS W/ REAR SEAT ENTERTAINMENT PACKAGE 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 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

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 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/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 (-) 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 W/O AUTOMATIC CRUISE CONTROL W/ AUTOMATIC CRUISE CONTROL DK BLU WIRE DK GRN WIRE DRAIN WIRE DVD DVD COMM ENABLE SIG GRY 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 NCA WIRE ORG/BLK WIRE 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 SEEK SYSTEM TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRANSMISSIONS SYSTEM VIDEO CNTRL VIDEO DISPLAY VIDEO SIG VOICE VOLUME VOLUME NEXT PREVIOUS REC DOWN UP VOLT W/ AUTOMATIC CRUISE CONTROL/ ACCESSORY STEERING WHEEL CONTROL WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK 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 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 W/ ONSTAR 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/ REAR SEAT ENTERTAINMENT PACKAGE W/ S-BAND DIGITAL AUDIO SYSTEM / VEHICLE COMUNICATION SYSTEM WHT WIRE YEL WIRE YEL/BLK WIRE

17 6 PNK 12 VOLT SW SIG WIRE 8 9 DATA BUS (+) DATA BUS (-) 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 CUT) DK BLU WIRE DK GRN WIRE DRAIN WIRE DVD DVD COMM ENABLE SIG EXTENDED CAB GRY 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 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 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