GMC Sierra 3500 HD (2007-2012) blk Wiring diagrams

AUXILIARY GENERATOR (W/ DUAL GENERATOR, AMBULANCE UPFITTER) BLK WIRE BRN WIRE CHARGE IND SIG CHARGE INDICATOR COMPUTER DATA LINES SYSTEM DK GRN WIRE DRIVER INFORMATION CENTER (DIC) ENGINE COMPT) ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF GENERATOR B+ GENERATOR SIG GM LAN SERIAL DATA GRY WIRE HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER (IPC) IPC FUSE 43 LOGIC LOW SPEED MEGA FUSE POWER DISTRIBUTION SYSTEM RED WIRE RED/WHT WIRE RIGHT BATTERY SERIAL DATA (-) (1) TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) UNDERHOOD FUSE HOLDER (RIGHT SIDE OF FIREWALL) VOLT W/ DUAL GENERATOR, AMBULANCE UPFITTER WHT WIRE

4.8L 4.3L 5.3L, 6.2L 6.0L 6 SPEED A/T 6.0L 4.3L 4.8L, 5.3L, 6.2L 6.6L ALLISON TRANSMISSION 6 SPEED A/T AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION FLUID PRESSURE (TFP) MANUAL VALVE POSITION SWITCH AUTOMATIC TRANSMISSION INTERNAL MODE SWITCH (IMS) BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY DATA BUS - ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT) GRY WIRE HEAD IGN 3 VOLT IGNITION SWITCH LOCK LOW REF MEGA FUSE ORG/ WIRE ORG/BLK WIRE PARK/ NEUTRAL POSITION (PNP) SWITCH (ON LEFT REAR SIDE OF TRANSMISSION) PARK/NEUTRAL SIGNAL PNK/BLK WIRE POWER DISTRIBUTION SYSTEM POWER SUPPLY, AUXILIARY BATTERY PPL RED WIRE RED/BLK WIRE RIGHT BATTERY RUN WIRE SERIAL DATA STARTER MOTOR STRT RLY CTRL STRTR FUSE 62 (EXCEPT 6.6L) FUSE 57 (6.6L) TAN WIRE TAN/BLK WIRE TRANSMISSION CONTROL MODULE (TCM) TRANSMISSION CONTROL MODULE (TCM) (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD) TRANSMISSION PARK/NEUTRAL UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) STRTR RELAY WHT WIRE YEL WIRE YEL/BLK WIRE

AUXILIARY GENERATOR (W/ DUAL GENERATOR, AMBULANCE UPFITTER) BLK WIRE BRN WIRE CHARGE IND SIG CHARGE INDICATOR COMPUTER DATA LINES SYSTEM DK GRN WIRE DRIVER INFORMATION CENTER (DIC) ENGINE COMPT) ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF GENERATOR B+ GENERATOR SIG GM LAN SERIAL DATA GRY WIRE HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER (IPC) IPC FUSE 43 LOGIC LOW SPEED MEGA FUSE POWER DISTRIBUTION SYSTEM RED WIRE RED/WHT WIRE RIGHT BATTERY SERIAL DATA (-) (1) TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) UNDERHOOD FUSE HOLDER (RIGHT SIDE OF FIREWALL) VOLT W/ DUAL GENERATOR, AMBULANCE UPFITTER WHT 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 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 (RIGHT SIDE 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 CAMPER TRAILER PROVISION (BLUNT CUT) TRAILER CONNECTOR COOLED CREW CAB CTSY FUSE 5 DIM RT STOP BCM FUSE TRN SEATS FUSE FUSE 8 FUSE 24 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) FROM RIGHT I/P J/B (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 LT GRN WIRE MBEC 1 FUSE 64 MEMORY DRIVER DOOR LOCK/ SEAT MODULE WINDOW (MSM) SWITCH OBS DET FUSE 20 OUTSIDE REARVIEW MIRROR SWITCH PASS SEAT 1 CIRCUIT PASSENGER PASSENGER DOOR LOCK/ WINDOW WINDOW SWITCH SWITCH PASSENGER PASSENGER SEAT SEAT LUMBAR ADJUSTER SWITCH 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 MODULE (BCM) RIGHT I/P J/B (IN RIGHT END OF DASH) RIGHT REAR WINDOW SWITCH ROOF BEACON RELAY (IN OVERHEAD CONSOLE) ROOF BEACON SWITCH ROOF MOUNTED BEACON PROVISION (BLUNT CUT) RT DOORS CIRCUIT S/ROOF FUSE 31 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) TO PDM FUSE 9 (DIAGRAM 3 OF 5) TO SPLICE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) W/ ACTIVE BRAKE W/ HYDRAULIC BRAKES W/ ACTIVE BRAKE, 10 SERIES, VACUUM/HYDRAULIC BRAKES W/ ACTIVE BRAKE, W/O 10 SERIES, VACUUM/HYDRAULIC BRAKES 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/ INDIVIDUAL FRONT SEAT W/ INDIVIDUAL FRONT SEAT 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

2 OF 5) AIR BAG BATT FUSE 42 ALC/COMP FUSE 54 AMP FUSE 38 AUDIO AMPLIFIER (PREMIUM PERFORMANCE ENHANCED AUDIO SPEAKER SYSTEM) AUTOMATIC A/C AUX PWR 2 FUSE 2 AUX PWR FUSE 16 BLK WIRE BODY CONTROL MODULE (BCM) CENTER CONSOLE ACCESSORY POWER OUTLET CENTER CONSOLE COMPARTMENT ACCESSORY POWER OUTLET CENTER SEAT ACCESSORY POWER OUTLET (W/ FULL FEATURE CENTER CONSOLE) CHIME POWER TAKE OFF MODULE (PTO) RELAY CREW CAB W/ INDIVIDUAL FRONT SEAT CREW CAB/ EXTENDED CAB W/ PERFORMANCE EXHANCED AUDIO, FRONT COMPARTMENT CONSOLE DIGITAL RADIO RECEIVER (IF EQUIPPED) ESC/ALC EXH FUSE 1 FROM ABS-2 FUSE 8 (DIAGRAM 2 OF 5) FROM LEFT I/P J/B (DIAGRAM 2 OF 5) FROM LT DR CIRCUIT BREAKER (DIAGRAM GARAGE DOOR OPENER (GDO) HVAC CONTROL MODULE I/P 2 ACCESSORY POWER OUTLET INFO FUSE 22 LBEC 2 FUSE 67 LEFT I/P J/B (LOWER LEFT SIDE OF DASH) LGM FUSE 66 LOCK PCB UNLOCK PCB RELAY RELAY LOCK/UNLOCK PCB RELAY MANUAL A/C NCA WIRE ORG/ WIRE PASSENGER DOOR LOCK/ WINDOW SWITCH PDM FUSE 9 (W/ COMFORT, DECOR LEVEL 3 CONVENIENCE PACKAGE) PERFORMANCE ENHANCED AUDIO SPEAKER SYSTEM POWER LOCKS W/O INDIVIDUAL FRONT SEAT, POWER MIRROR POWER TAKE OFF (BLUNT CUT) PREMIUM PERFORMANCE ENHANCED AUDIO SPEAKER SYSTEM PTO FUSE 44 RADIO RDO FUSE 39 REAR SEAT AUDIO (RSA) CONTROL (IF EQUIPPED) RED WIRE RED/ WHT WIRE RED/BLK WIRE RED/WHT WIRE RIGHT I/P J/B (IN RIGHT END OF DASH) RSE FUSE 19 STOP IS LPS FUSE 17 LT STOP TRN FUSE 6 LAMPS FUSE TO BODY CONTROL MODULE (DIAGRAM 4 OF 5) TO DLIS FUSE 32 (DIAGRAM 4 OF 5) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VEHICLE COMMUNICATION INTERFACE MODULE (VCIM) VIDEO DISPLAY W/ CUSTOM FRONT COMPARTMENT FLOOR CONSOLE W/ INDIVIDUAL FRONT SEAT W/ INDIVIDUAL FRONT SEAT, POWER MIRROR W/ LUXURY W/ ONSTAR W/ REAR SEAT ENTERTAIN- MENT PACKAGE W/O INDIVIDUAL FRONT SEAT W/O LUXURY W/ FRONT BENCH SEAT W/O LUXURY, RADIO W/O RADIO W/O W/ LUXURY LUXURY WHT RED/ WIRE WHT WIRE WINDSHIELD WASHER SOLVENT HEATER (IF EQUIPPED)

A/C CMPRSR RELAY AIR BAG IGN FUSE 37 AUX HVAC- IGN FUSE 45 BCK/UP LAMP PCB RELAY BLK WIRE BRN WIRE CHMSL REAR CLIMATE CONTROL TRAILER BRAKE SEAT CONTROL MODULE MODULE (IF EQUIPPED) COMFORT, DECOR LEVEL 3 CONVENIENCE PACKAGE, W/ LUXURY DIGITAL VIDEO DISC (DVD) CONTROL MODULE (IF EQUIPPED) DRL PCB RELAY EAP FUSE 35 ECM IGN FUSE 53 ELECTRIC SHIFT, ACTIVE 2 SPEED ENGINE CONTROL MODULE (ECM) FAN FUSE 68 FAN RELAY FOG LAMP RELAY FROM BODY CONTROL MODULE (DIAGRAM 4 OF 5) FROM DLIS FUSE 32 (DIAGRAM 4 OF 5) FRONT DRIVE AXLE ACTUATOR FRT WASH PCB RELAY 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 SENSING, DIAGNOSTIC MODULE (SDM) INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL L/GATE PCB RELAY 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 CAMERA REAR WIPER FUEL WASH SPEED PCB PMP DEFOG PCB PCB RELAY RELAY RELAY RELAY RELAY 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 STRTR RELAY TRANS IGN 1 FUSE 13 TRANSFER CASE SHIFT CONTROL MODULE STOP LAMP SWITCH TRANSMISSION CONTROL MODULE (TCM) TRLR LT STOP/TURN PCB RELAY TRLR RT STOP/TURN PCB RELAY VEHICLE SHOCK SENSOR W/ 2 SPEED ELECTRIC, MANUAL SHIFT CONTROL TRANSFER CASE W/ FRONT SEAT COOLING HEATER W/ SPO ACCESSORY REAR VIEW CAMERA W/O SPO ACCESSORY REAR VIEW CAMERA W/ SPO ALARM W/O 2 SPEED ELECTRIC, MANUAL SHIFT CONTROL TRANSFER CASE W/O FRONT SEAT COOLING HEATER W/O FRONT SEAT COOLING HEATER W/ FRONT SEAT COOOLING HEATER W/O W/ STEERING STEERING WHEEL WHEEL HEATER HEATER WIPER CONTROL PCB RELAY FRT WPR YEL WIRE

BLK WIRE BRN/WHT WIRE DEFOGGER SYSTEM DK BLU/WHT WIRE DOWN DRIVER OUTSIDE REARVIEW MIRROR HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE OF DASH, LEFT LT BLU/WHT WIRE LT GRN WIRE NCA WIRE ORG/ WIRE ORG/WHT WIRE OUTSIDE REARVIEW MIRROR SWITCH PASSENGER OUTSIDE REARVIEW MIRROR PPL/WHT WIRE PWR MIR FUSE 14 RED/WHT WIRE RIGHT TAN WIRE TAN/WHT WIRE WHT WIRE

1 2 4 10 5 7 RETRACT CTRL EXTEND CTRL SENS SIG LOW REF SENS SIG 2 6 1 7 3 9 4 POSITION CTRL MTR COMM POSITION CTRL SPLY VOLT LOW REF 4 6 B+ GND 9 2 12 SERIAL DATA PNK WIRE AUTOMATIC DAY/NIGHT MIRROR BLK WIRE BLK/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM ELECTROCHROMIC DDM FUSE 4 DEFOGGER SWITCH DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DOWN L/R SELECT DRIVER DOOR LOCK/ WINDOW SWITCH DRIVER OUTSIDE REARVIEW MIRROR EXTEND GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HVAC CONTROL MODULE I/P FUSE BLOCK (LEFT SIDE OF DASH, L/R SELECT SW PWR LEFT LOGIC LT BLU WIRE LT BLU/WHT WIRE MIRROR CIRCUIT ORG/BLK WIRE OUTSIDE REARVIEW MIRROR SWITCH PNK WIRE RED/WHT WIRE RETRACT RIGHT WHT WIRE YEL WIRE

1 2 4 10 5 7 RETRACT CTRL EXTEND CTRL SENS SIG LOW REF SENS SIG 2 6 1 3 7 POSITION CTRL MTR COMM POSITION CTRL LOW REF SPLY VOLT 4 6 B+ GND BLK WIRE BLK/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DK BLU/WHT WIRE DK GRN WIRE GROUND DISTRIBUTION SYSTEM GRY/BLK WIRE HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE OF DASH, LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE ORG/ WIRE ORG/BLK WIRE PASSENGER DOOR LOCK/ WINDOW SWITCH PASSENGER OUTSIDE REARVIEW MIRROR PDM FUSE 9 POWER DISTRIBUTION SYSTEM PPL RED/WHT WIRE RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) SERIAL DATA WHT WIRE YEL WIRE