GMC Sierra 2500 HD (2002-2012) yel 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

6 SPEED 4 SPEED BLK WIRE BODY CONTROL MODULE (BCM) BRN WIRE DK BLU WIRE DLIS FUSE 36 DRIVER SEAT 2 CIRCUIT BREAKER EAP FUSE 39 ELECTRONIC ADJUSTABLE ENGINE CONTROL MODULE (ECM) EXCEPT 4.3L 4.3L EXCEPT 6-WAY POWER SEAT EXCEPT AUTO POWER MIRROR AUTO POWER MIRROR EXCEPT PUSHBUTTON FROM LGM FUSE (DIAGRAM 1 OF 5) FUSE BLOCK (UNDERHOOD) (RIGHT SIDE OF FIREWALL) I/P MULTIFUNCTION SWITCH ASSEMBLY IGN I/II IGNITION SWITCH J/B (LEFT I/P) J/B (RIGHT I/P) KEY-IN SWITCH MAIN HARNESS ASSEMBLY BREAKOUT) MBEC 1 FUSE 71 MEMORY SEAT MODULE OFF PARK ENABLE PASS SEAT 1 CIRCUIT BREAKER PCB RELAY PEDAL ASSEMBLY) PEDALS PCB RELAY PNK WIRE PNK/BLK WIRE PPL PUSHBUTTON PWR REAR WNDW CIRCUIT BREAKER RED WIRE RED/WHT WIRE RT DOORS CIRCUIT BREAKER RUN WIRE SEAT ADJUSTER SWITCH (PASSENGER) SEAT ADJUSTER SWITCH DRIVER SEAT LUMBAR SWITCH (PASSENGER) SLIDING REAR WNDOW CLOSE RELAY SLIDING REAR WNDOW OPEN RELAY THEFT DETERRENT MODULE TO RUN/CRANK RELAY (DIAGRAM 5 OF 5) TRANSFER CASE SHIFT CONTROL MODULE TRANSMISSION CONTROL MODULE (TCM) WHT WIRE WINDOW SWITCH (PASSENGER) PASSENGER DOOR SWITCH (PDS) WINDOW SWITCH (RIGHT REAR) YEL WIRE YEL/BLK WIRE

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

4 SPEED A/T W/ ACCESSORY STEERING WHEEL, AUTOMATIC ELECTRONIC CRUISE CONTROL 6 SPEED A/T AUTOMATIC TRANSMISSION MANUAL SHIFT SWITCH AUTOMATIC TRANSMISSION SHIFT LEVER BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) BRN WIRE DLIS FUSE 32 DRIVER PASSENGER WINDOW WINDOW SWITCH SWITCH FROM LBEC 2 FUSE 67 (DIAGRAM 3 OF 5) FROM MOBILE RADIO FUSE BLOCK (DIAGRAM 1 OF 5) FROM UNDERHOOD FUSE BLOCK (DIAGRAM 3 OF 5) IGN IGNITION SWITCH INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL KEY-IN IGNITION SWITCH LEFT I/P J/B (LOWER LEFT SIDE OF DASH) LEFT STEERING WHEEL CONTROL SWITCH NCA WIRE OFF ORG/ WIRE PNK WIRE PNK/BLK WIRE POWER SUPPLY REAR SLIDING WINDOW SWITCH (IF EQUIPPED) RED/WHT WIRE RIGHT I/P J/B (IN RIGHT END OF DASH) RIGHT STEERING WHEEL CONTROL SWITCH RUN WIRE SUNROOF CONTROL MODULE (IF EQUIPPED) THEFT DETERRENT MODULE (TDM) TO RUN/CRNK RELAY (DIAGRAM 5 OF 5) TO UNDERHOOD FUSE BLOCK (DIAGRAM 5 OF 5) TRANSFER CASE SHIFT CONTROL SWITCH UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VOLT W/ 10 SERIES W/ ACCESSORY STEERING WHEEL, AUTOMATIC ELECTRONIC CRUISE CONTROL W/ ACTIVE 2 SPEED PUSH BUTTON CONTROL TRANSFER CASE W/ ELECTRONIC 2 SPEED TRANSFER CASE W/O ACCESSORY STEERING WHEEL, AUTOMATIC ELECTRONIC CRUISE CONTROL W/O W/ ACCESSORY ACCESSORY STEERING STEERING WHEEL WHEEL CONTROL CONTROL WHT WIRE YEL WIRE

6 SPEED A/T ALLISON LCT 1000 A/C CMPRSR RELAY AIR BAG IGN FUSE 37 BCK/UP LAMP PCB RELAY BLK WIRE BLUNT CUT POWER TAKE-OFF (PTO) PROVISION TRAILER BRAKE CONTROL MODULE BRN WIRE CHMSL REAR COMFORT, DECOR LEVEL 3 CONVENIENCE PACKAGE, W/ LUXURY CONTROL PCB RELAY AUX HVAC- IGN FUSE 45 DRL PCB RELAY EAP FUSE 35 ECM IGN FUSE 53 ELECTRONIC, ACTIVE 2 SPEED ENGINE CONTROL MODULE (ECM) FAN FUSE 68 FAN RLY RELAY FOG LAMP RELAY FROM BODY CONTROL MODULE (DIAGRAM 4 OF 5) FROM DLIS FUSE 32 (DIAGRAM 4 OF 5) FRONT DRIVE AXLE AXLE (W/ ACTIVE 2 SPEED PUSH- BUTTON CONTROL TRANSFER CASE) FRT WASH PCB RELAY FRT WPR FUSE FUSE 33 GLOW PLUG CONTROL MODULE (GPCM) HDLP LO/HID RELAY HEATED STEERING WHEEL CONTROL MODULE HEATED STEERING WHEEL CONTROL MODULE INLINE FUSE HI BEAM PCB RELAY HORN PWR/TRN PCB RELAY RELAY HVAC-IGN FUSE 52 INFLATABLE RESTRAINT I/P MODULE ON/OFF INDICATOR (IF EQUIPPED) INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL L/GATE PCB RELAY LEFT AIR TEMPERATURE ACTUATOR (AUTOMATIC A/C) LEFT I/P J/B (LOWER LEFT SIDE OF DASH) LEFT I/P J/B (LOWER LEFT SIDE OF DASH) PNK (NOT USED) WIRE MISC IGN FUSE 40 MODE ACTUATOR NCA WIRE PARK ELECTRONIC ENABLE ADJUSTABLE PCB PEDALS RELAY PCB RELAY PNK WIRE PNK/WHT WIRE POWER TAKE OFF (PTO) MODULE (IF EQUIPPED) PRK LAMP RELAY REAR VIEW SEAT CLIMATE CAMERA CONTROL MODLE REAR WIPER FUEL WASH SPEED PCB PMP DEFOG PCB PCB RELAY RELAY RELAY RELAY RELAY REARVIEW BLUNT CUT CAMERA POWER TAKE-OFF IMAGE DISPLAY (PTO) MODULE PROVISION REARVIEW CAMERA IMAGE DISPLAY MODULE RECIRCULATION ACTUATOR RED WIRE RED/WHT WIRE RIGHT I/P J/B (IN RIGHT END OF DASH) RUN/ CRNK RELAY SECURITY VEHICLE INDICATOR INCLINATION LAMP SENSOR SEO SEO/ALC FUSE 51 STOP LAMP SWITCH STRTR RELAY TRANS IGN 1 FUSE 13 TRANSFER CASE SHIFT CONTROL MODULE TRANSMISSION CONTROL MODULE (TCM) TRLR LT STOP/TURN PCB RELAY TRLR RT STOP/TURN PCB RELAY VEHICLE SHOCK SENSOR W/ SPO ALARM W/O 2 SPEED TRANSFER CASE W/O FRONT W/ FRONT SEAT COOLING SEAT COOLING HEATER HEATER W/O W/ STEERING STEERING WHEEL WHEEL HEATER HEATER WIPER 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) 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

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