GMC Sierra 2500 HD (2002-2012) lt blu Wiring diagrams

ALC/ COMP S/ROOF FUSE 35 FUSE 38 FUSE 60 AUXILIARY BATTERY AUXILIARY BATTERY RELAY (RIGHT REAR CORNER OF ENGINE COMPT) B(+) B+ A+ BATTERY (RIGHT) BLK WIRE CAMPER/ FIFTH WHEEL TRAILER PROVISION (BLUNT CUT) DK GRN WIRE DUAL BATTERY EMERGENCY VEHICLE EMERGENCY VEHICLE PROVISION (BLUNT CUT) EMERGENCY VEHICLE ROOF LAMP RELAY ROOF BEACON RELAY EMERGENCY VEHICLE WRECKER EXCEPT CAMPER/ FIFTH WHEEL TRAILER CAMPER/ FIFTH WHEEL TRAILER FUSE B FUSE D FUSE A FUSE C FUSE BLOCK (MOBILE RADIO) (BEHIND RIGHT SIDE OF DASH) FUSE BLOCK (UNDERHOOD) (RIGHT SIDE OF FIREWALL) FUSE HOLDER (UNDERHOOD) (RIGHT SIDE OF FIREWALL) FUSE HOLDER (UNDERHOOD) (RIGHT SIDE OF FIREWALL) MEGA FUSE FUSIBLE LINK 1 FUSIBLE LINK 2 FUSIBLE LINK 3 BATTERY (LEFT) GARAGE DOOR OPENER GENERATOR IGNIII IGNIII IGNIII INCLINATION SENSOR SECURITY INDICATOR LAMP J/B (LEFT I/P) (LOWER LEFT SIDE OF DASH) J/B (RIGHT I/P) J/B (RIGHT I/P) J/B (LEFT I/P) (LOWER LEFT SIDE OF DASH) (RIGHT END OF DASH) LGM FUSE 73 LT BLU WIRE LT GRN WIRE MEGA FUSE MEGA FUSE MEGA FUSE NCA WIRE ORG/ WIRE PACKAGE POWER POWER TAKE-OFF MODULE RED WIRE RED/BLK WIRE RED/WHT WIRE RELAY RELAY A RELAY B RIGHT END OF DASH) ROOF BEACON ROOF BEACON OR SUNROOF ROOF BEACON SWITCH ROOF-MOUNTED (EMERGENCY) LIGHTING RUN WIRE SLIDING REAR WINDOW- SWITCH SUNROOF MODULE WINDOW SWITCH- PASSENGER STARTER STUD 1 FUSE 70 STUD 2 FUSE 65 FUSE 54 SUN ROOF SUNROOF MODULE (B) TO CTSY FUSE (DIAGRAM 2 OF 5) TO PDM FUSE (DIAGRAM 2 OF 5) TO RUN/CRANK RELAY (DIAGRAM 5 OF 5) TO S/ROOF FUSE (SAME DIAGRAM) TRAILER BRAKE CONTROLLER SOLID STATE RELAY TRAILER BRAKE PROVISION (BLUNT CUT) TRAILER CONNECTOR SHOCK SENSOR WHT WIRE WINDOW SWITCH- DRIVER WRECKER RELAY (RIGHT REAR CORNER OF ENGINE COMPT) YEL WIRE

A/C CMPRSR RELAY AIR BAG BATT FUSE 46 AMP FUSE 42 AUDIO AMPLIFIER BODY CONTROL MODULE (BCM) CHIME MODULE COOLING FAN (LEFT) COOLING FAN (RIGHT) DIGITAL RADIO RECEIVER DK GRN WIRE ECM BATT ELEC RUN BOARD ENGINE CONTROL MODULE (ECM) ESC/ALH EXH EXCEPT LUXURY NO RADIO EXP/ PTO FAN 1 FUSE FAN LO RELAY FAN WIPER HI CONTROL RELAY PCB RELAY FAN-2 FRT WPR FUSE FUSE 37 FROM LGM FUSE (DIAGRAM 1 OF 5) FRT WASH PCB RELAY FSCM FUSE 22 FUEL PUMP RELAY FUEL SYSTEM CONTROL MODULE (FSCM) FUSE 13 FUSE 15 FUSE 23 FUSE 3 FUSE 40 FUSE 49 FUSE 67 FUSE BLOCK (UNDERHOOD) (RIGHT SIDE OF FIREWALL) GPS, REAR ENTER- TAINMENT EXCEPT LUXURY GRY WIRE HDLP WASH HEAVY DUTY ABS WSW/HTR FUSE 61 FUSE 68 HORN PCB RELAY HVAC BATT HVAC BLWR FUSE 72 HVAC CONTROL MODULE INFOTMNT FUSE 47 INSTRUMENT PANEL CLUSTER (IPC) IPC FUSE 48 ITBC ABS-1 ABS 2 FUSE 7 FUSE 63 FUSE 10 J/B (LEFT I/P) J/B (LEFT I/P) (LOWER LEFT SIDE OF DASH) LT BLU WIRE LUXURY NCA WIRE POWER TAKE-OFF (BLUNT CUT) POWER TAKE-OFF (PTO) RELAY PPL PREMIUM AUDIO EXCEPT LUXURY PREMIUM AUDIO W/LUXURY RADIO REAR SEAT AUDIO (RSA) CONTROLLER RDO FUSE 43 REAR DEFOG RELAY REAR ENTER- TAINMENT EXCEPT LUXURY REAR ENTER- TAINMENT W/LUXURY REAR ENTER- TAINMENT W/LUXURY GPS EXCEPT LUXURY GPS W/ LUXURY RED WIRE RED/BLK WIRE RED/WHT WIRE STRTR RELAY TCM BATT TRAILER BRAKE CONTROLLER MODULE (TBCM) ELECTRONIC BRAKE CONTROL MODULE (EBCM) TRANSFER CASE ENCODER MOTOR TRANSFER CASE SHIFT CONTROL MODULE TREC FUSE 69 VIDEO COMMUNICATION INTERFACE MODULE (VCIM) VIDEO DISPLAY WHT WIRE WINDSHIELD WASHER SOLVENT HEATER J/B (RIGHT I/P) WINDSHIELD WIPER MOTOR WIPER SPEED PCB RELAY

AUTOMATIC A/C AUXILIARY GENERATOR BLK WIRE BODY BUILDER EMERGENCY LAMP DK GRN WIRE EMERGENCY VEHICLE PROVISION (BLUNT CUT) FUSE FUSE 34 FUSE FUSE FUSE SUPPLY) (BEHIND RIGHT SIDE OF DASH) FUSIBLE LINK 1 (14 GA- GENERATOR GLOW PLUG CONTROL MODULE (GPCM) HDLP HVAC LTR BATT WASH FUSE 50 FUSE 20 FUSE 36 HEATED SEAT CONTROL MODULE (IF EQUIPPED) HVAC CONTROL MODULE (ON RIGHT FRONT CORNER OF HVAC MODULE) I/P 1 ACCESSORY POWER OUTLET DATA LINK CONNECTOR (DLC) MANUAL A/C INSTRUMENT PANEL CLUSTER (IPC) INTAKE AIR HEATER (IAH) IPC TCM-BATT ECM- FUSE 43 BATT FUSE 7 FUSE 11 ITBC FUSE 19 WSW/HTR FUSE 61 LEFT BATTERY LEFT I/P J/B (LOWER LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE MEGA FUSE MOBILE RADIO FUSE BLOCK POWER SUPPLY RED WIRE RED/BLK WIRE RED/WHT WIRE RELAY A RELAY B RIGHT BATTERY RIGHT I/P J/B (IN RIGHT END OF DASH) STARTER MOTOR STUD 2 FUSE 58 SUPPLY TO LEFT I/P J/B (DIAGRAM 4 OF 5) TO ROOF BEACON SWITCH (DIAGRAM 2 OF 5) TO STUD 1 FUSE 63 (DIAGRAM 2 OF 5) TRAILER PROVISION (BLUNT CUT) TRANSFER TRANSFER CASE SHIFT CASE CONTROL ENCODER MODULE MOTOR TREC FUSE 62 UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) UNDERHOOD FUSE HOLDER MEGA (RIGHT SIDE FUSE OF FIREWALL) W/ ACTIVE 2 SPEED W/ DUAL GENERATOR, AMBULANCE UPFITTER SALES PACKAGE W/ ELECTRONIC 2 SPEED, ACTIVE 2 SPEED W/ EMERGENCY VEHICLE ROOF LAMP RELAY W/ WRECKER EMERGENCY LAMP PROVISIONS W/ WRECKER RELAY WHT WIRE WRECKER RELAY YEL WIRE

ABS-1 FUSE 56 ABS-2 FUSE 8 BLK WIRE BLOWER MOTOR CONTROL MODULE BRAKE CONTROL, 10 SERIES COOLED CREW CAB CREW EXTENDED CAB, CAB POWER WINDOW (W/ INDIVIDUAL FRONT SEAT) CTSY FUSE 5 DIM RT STOP BCM FUSE TRN SEATS FUSE FUSE 8 FUSE 24 DRIVER DRIVER DOOR LOCK/ WINDOW WINDOW SWITCH SWITCH DRIVER MEMORY SEAT SEAT ADJUSTER MODULE SWITCH (MSM) DRIVER SEAT 2 CIRCUIT ELEC RUN BOARD FUSE 60 ELECTRONIC BRAKE CONTROL MODULE (EBCM) EXTENDED CAB, POWER WINDOW FROM IPC FUSE 43 (DIAGRAM 1 OF 5) HEAVY DUTY ABS FUSE 55 HVAC BLWR FUSE 65 LBEC 1 FUSE 59 LEFT I/P J/B (LOWER LEFT SIDE OF DASH) LT BLU WIRE LT DR CIRCUIT BREAKER OBS DET FUSE 20 LT GRN WIRE MBEC 1 FUSE 64 MEMORY DRIVER DOOR LOCK/ SEAT MODULE WINDOW (MSM) SWITCH OUTSIDE REARVIEW MIRROR SWITCH PASS SEAT 1 CIRCUIT PASSENGER PASSENGER SEAT SEAT LUMBAR ADJUSTER SWITCH SWITCH PASSENGER WINDOW SWITCH PWR REAR WNDW CIRCUIT PWR REAR WPR FUSE 23 MIR FUSE REAR DSM DDM HVAC FUSE FUSE FUSE REAR SEAT FUSE 1 RED WIRE RED/BLK WIRE RED/WHT WIRE REMOTE CONTROL DOOR LOCK RECEIVER (RCDLR) BODY CONTROL BODY (BCM) RIGHT I/P J/B (IN RIGHT END OF DASH) RIGHT PASSENGER REAR DOOR LOCK/ WINDOW WINDOW SWITCH SWITCH ROOF BEACON RELAY (IN OVERHEAD CONSOLE) ROOF BEACON SWITCH ROOF MOUNTED BEACON PROVISION (BLUNT CUT) RT DOORS CIRCUIT S/ROOF FUSE 31 SEAT CLIMATE CONTROL MODULE (IF EQUIPPED) SLIDING SLIDING REAR REAR WINDOW WINDOW OPEN CLOSE RELAY RELAY STUD 1 FUSE 63 SUNROOF MODULE TO LGM FUSE 66 (DIAGRAM 3 OF 5) TO PDM FUSE (DIAGRAM 3 OF 5) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) W/ ACTIVE BRAKE W/O ACTIVE BRAKE W/ ACTIVE BRAKE, W/O 10 SERIES W/ ACTIVE BRAKE, 10 SERIES W/ ACTIVE, VACUUM POWER W/ CAMPER W/O CAMPER TRAILER TRAILER PROVISION PROVISION W/ COMFORT, DECOR LEVEL 3 CONVENIENCE PACKAGE W/ DRIVER POWER SEAT ADJUSTER W/ ELECTRICAL ALARM BULB W/ INDIVIDUAL FRONT SEAT W/ INDIVIDUAL FRONT SEAT W/ INDIVIDUAL FRONT SEAT, POWER MIRROR W/ INDIVIDUAL FRONT SEAT, POWER MIRROR W/ PASSENGER POWER SEAT ADJUSTER W/ REAR POWER WINDOW W/ ROOF MOUNTED PROVI- SIONS W/ SUNROOF W/ W/O INDIVIDUAL INDIVIDUAL FRONT SEAT FRONT SEAT W/ WRECKER W/ ROOF, EMERGENCY BEACON VEHICLE RELAY ROOF LAMP RELAY W/O 10 SERIES W/O INDIVIDUAL FRONT SEAT W/O INDIVIDUAL FRONT SEAT, POWER MIRROR W/O INDIVIDUAL W/ INDIVIDUAL FRONT SEAT, FRONT SEAT, POWER MIRROR POWER MIRROR WHT RED/ WIRE WHT 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) 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 GAS 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 L AUD - R AUD - DRAIN WIRE LED CNTRL GND LF SPK- RF SPK- LOW REF LOW REF/ DRAIN WIRE 6 7 8 9 10 11 12 13 14 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 RADIO RDO FUSE 42 FUSE 39 RED LED WIRE RED/WHT WIRE 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/ ODOMETER SECURITY (SEO) WIRING PROVISION 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

17 6 PNK 12 VOLT SW SIG WIRE 2500 2501 COMPUTER DATA LINES 8 9 DATA BUS (+) DATA BUS (-) ANTI-LOCK BRAKES 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 CREW CAB CREW CAB EXTENDED CAB CRUISE CONTROL SYSTEM W/O AUTOMATIC CRUISE CONTROL W/ AUTOMATIC CRUISE CONTROL CUT) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE DVD DVD COMM ENABLE SIG EXTENDED CAB 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 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 SYSTEM 7641 7642 NAVIGATION SYSTEM TAN WIRE TAN/BLK WIRE TAN/WHT WIRE VIDEO CNTRL VIDEO DISPLAY VIDEO SIG VOICE REC VOLT VOLUME NEXT VOLUME PREVIOUS DOWN UP VSS VIDEO SIG (+) VIDEO SIG (-) W/ AUTOMATIC CRUISE CONTROL/ ACCESSORY STEERING WHEEL HEATER W/ DUAL EXTENDED RANGE QUARTER MOUNTED, DUAL FRONT DOOR MOUNTED 4 SPEAKER SYSTEM W/ PERFORMANCE ENHANCED AUDIO WHT WIRE WHT/BLK WIRE YEL WIRE

AMPL CNTRL BLK WIRE BLUNT CUT) 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 GMLAN GRD GRY WIRE HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE OF DASH, 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 NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK WIRE PPL/WHT WIRE R INFRARED R SUBWFR + REAR SEAT AUDIO (RSA) CONTROL RED/WHT WIRE REM ENABLE RF AUD + RF SPK - RIGHT I/P J/B (IN RIGHT END OF DASH) RR AUD - RSE FUSE 19 SUBWOOFER SPEAKER TAN WIRE W/ REAR SEAT ENTERTAINMENT PACKAGE 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 7641 7642 NAVIGATION 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 CREW CAB CRUISE CONTROL SYSTEM CUT) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE DVD DVD COMM ENABLE SIG EXTENDED CAB 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 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 REC DOWN VOLT VOLUME NEXT UP VSS VIDEO SIG (+) VIDEO SIG (-) W/ AUTOMATIC CRUISE CONTROL/ ACCESSORY STEERING WHEEL CONTROL 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 B+ 1 2 3 4 5 6 7 8 PPL RR SNS SIG RR SNS SIG LR SNS SIG SUPPLY LR SNS SIG 2378 2377 2376 2374 2375 PPL 5060 2751 2555 COMPUTER DATA LINES SYSTEM BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) BRN WIRE DK BLU WIRE DK GRN WIRE GMLAN GND DISABLE SIG GRY WIRE HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE OF DASH, I/P MULTI-FUNCTION SWITCH IND DIM LED DISABLE LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LEFT REAR MIDDLE OBJECT SENSOR (LEFT SIDE OF REAR BUMPER) LEFT REAR OBJECT CORNER SENSOR (LEFT CORNER OF REAR BUMPER) LOW REF LT BLU WIRE OBS DET FUSE 20 ORG/ WIRE PPL PPL 5 24 18 8 23 PPL/WHT WIRE REAR OBJECT SENSOR CONTROL MODULE (AT REAR CARGO AREA, BEHIND TRIM PANEL) REAR PARK ASSIST DISABLE SWITCH RED WIRE RED/WHT WIRE RIGHT REAR CORNER OBJECT SENSOR (RIGHT CORNER OF REAR BUMPER) RIGHT REAR MIDDLE OBJECT SENSOR (RIGHT SIDE OF REAR BUMPER) W/O SPO HEATED SEATS W/ SPO HEATED SEATS WHT WIRE YEL WIRE