Chevrolet Cab & Chassis Silverado 3500 HD (2008-2011) breakout) Wiring diagrams

12 VOLT REF 12-VOLT REF RF WHEEL SPD SENS SIG GROUND ABS INDICATOR ABS-1 FUSE 61 (GAS) FUSE 56 (DIESEL) BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) BRAKE FLUID LEVEL SWITCH (ON BRAKE MASTER CYLINDER RESERVOIR) BRAKE PRESSURE MODULATOR VALVE BRAKE WARNING INDICATOR BREAKOUT) COMPUTER DATA LINES SYSTEM DATA BUS - DIESEL GAS DK GRN WIRE DK GRN/WHT WIRE ELECTRONIC BRAKE CONTROL MODULE (EBCM) (ON LEFT SIDE OF FRAME ASSEMBLY) ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT) EXCEPT LUXURY GAS GRY WIRE GRY/WHT WIRE HEAVY DUTY ABS FUSE 59 (GAS) FUSE 55 (DIESEL) HOT AT ALL TIMES HOT AT ALL TIMES UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) INSTRUMENT PANEL CLUSTER (IPC) IPC FUSE 43 (DIESEL) FUSE 46 (GAS) LEFT FRONT WHEEL SPEED SENSOR (WSS) (ON LEFT FRONT STEERING KNUCKLE) LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LOGIC LT BLU WIRE LUXURY NCA WIRE NEAR FAN SHROUD) ORG/ WIRE ORG/WHT WIRE PARK BRAKE SW SIG PARK BRAKE SWITCH (ON PARK BRAKE PEDAL ASSEMBLY) POWER DISTRIBUTION SYSTEM PPL PPL BRAKE SW SIG RED/BLK WIRE RED/WHT WIRE RIGHT FRONT WHEEL SPEED SENSOR (WSS) (ON RIGHT FRONT STEERING KNUCKLE) SERIAL DATA SIG TAN WIRE TAN/BLK WIRE VEHICLE SPD SIG VEHICLE SPD SIG RADIO YEL WIRE YEL/BLK WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 AIR TMP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 B(+) A/C ON AIR TEMP RF SUNLD AMB AIR TMP GMLAN L AMBIENT AIR TEMPERATURE SENSOR (ON LEFT SIDE OF RADIATOR SUPPORT) AMBIENT LIGHT/SUNLOAD SENSOR ASSEMBLY (TOP CENTER OF DASH) AUTO BATT POS VOLT BLK WIRE BLK/WHT WIRE BREAKOUT) BRN WIRE COLNT LVL GROUND LOW REF COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DRIVER INFORMATION CENTER (DIC) DISPLAY ENGINE COOLANT LEVEL SWITCH (6.6L) (ON BOTTOM OF SURGE TANK) EVAPORATOR TEMPERATURE SENSOR (ON HVAC ASSEMBLY) FAN DN FAN UP FRESH AIR FRNT DFG FRT DEF A/C IND FSH AIR GROUND GROUND DISTRIBUTION SYSTEM GROUND IGN 3 REAR DEFOG GRY WIRE GRY/BLK WIRE HVAC CONTROL MODULE INSTRUMENT PANEL CLUSTER (IPC) LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LEFT SUNLOAD SENSOR LEFT TEMP CONTROL LF SUNLD L AIR TMP R AIR TMP LOGIC LOW REF LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MODE DN MODE UP MTR SPD CTRL OFF ORG/ WIRE POWER DISTRIBUTION SYSTEM DEFOGGER SYSTEM PPL R AIR TMP AIR TMP R AIR TMP TEMP SENS MODE CTRL L AIR TMP RECIR CTRL R AIR TMP REAR DFG RECIR RECIRC RED/BLK WIRE RED/WHT WIRE RER DEF RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) RIGHT SUNLOAD SENSOR RIGHT TEMP CONTROL SERIAL DATA TAN WIRE UPPER LEFT AIR TEMPERATURE SENSOR (UNDER UPPER LEFT SIDE OF DASH) UPPER RIGHT AIR TEMPERATURE SENSOR (UNDER UPPER RIGHT SIDE OF DASH) 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 PPL DOWN CTRL UP CTRL 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 PPL ELEMENT CTRL 1 2 3 4 5 6 GND ADJUSTABLE PEDALS CIRCUIT BLK WIRE BREAKOUT) BRN/WHT WIRE DK BLU WIRE DK GRN WIRE DRIVER SEAT 2 CIRCUIT DRIVER SEAT ADJUSTER ASSEMBLY (ON DRIVER'S SEAT TRACK) DRIVER SEAT LUMBAR HORIZONTAL MOTOR (IN DRIVER'S SEAT BACK) DRIVER SEAT LUMBAR HORIZONTAL MOTOR POSITION SENSOR (IN DRIVER'S SEAT TRACK) DRIVER SEAT LUMBAR VERTICAL MOTOR (IN DRIVER'S SEAT BACK) DRIVER SEAT LUMBAR VERTICAL MOTOR POSITION SENSOR (IN DRIVER'S SEAT TRACK) DRIVER SEAT RECLINE MOTOR (LOWER RIGHT SIDE OF DRIVER SEAT BACK) DRIVER SEAT RECLINE POSITION SENSOR (IN DRIVER'S SEAT BACK) DSM FUSE 25 ELEMENT CTRL FWD CTRL RWD CTRL GND FWD CTRL RWD CTRL PNK PNK WIRE FWD CTRL RWD CTRL GND UP CTRL DOWN CTRL SPLY VOLT UP CTRL DOWN CTRL GND B+ B+ GRY WIRE HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE OF DASH, 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) ORG/BLK WIRE PNK SENS SIG WIRE PNK WIRE POWER DISTRIBUTION SYSTEM PPL PPL FWD CTRL RWD CTRL PPL/WHT WIRE RED/WHT WIRE SEATS SYSTEM SENS SIG SENS SIG SENS SIG SENS SIG SENS SIG SENS SIG SPLY VOLT TAN WIRE TAN/BLK WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

ACCESSORY DC POWER CONTROL MODULE AUTOMATIC A/C MANUAL A/C 15 10 BARE BLK WIRE BLOWER MOTOR CONTROL MODULE BREAKOUT) CENTER CONSOLE ACCESSORY POWER OUTLET CENTER CONSOLE COMPARTMENT ACCESSORY POWER OUTLET CENTER HIGH MOUNTED STOP LAMP (CHMSL) DATA LINK CONNECTOR (DLC) DRIVER INFORMATION CENTER (DIC) SWITCH ELECTRONIC ELECTRONIC ADJUSTABLE PEDALS PCB RELAY ELECTRONIC COMPASS MODULE EXTENDED CAB/CREW CAB FROM HORN SWITCH HVAC CONTROL MODULE INSIDE REARVIEW MIRROR (ISRVM) LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LEFT STEERING WHEEL CONTROL SWITCH MIDDLE LEFT FRONT ROOF FRONT CLEARANCE OUTER LAMP ROOF CLEARANCE LAMP NCA WIRE PARK ENABLE PCB RELAY PASSENGER OUTSIDE REAR VIEW MIRROR PASSENGER WINDOW SWITCH PASSENGER DOOR LOCK/ WINDOW SWITCH REAR DOME READING LAMPS RIGHT FRONT OUTER ROOF CLEARANCE LAMP RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) RIGHT STEERING WHEEL CONTROL SWITCH RIGHT SUNSHADE (IF EQUIPPED) SUNROOF MODULE SUNROOF SWITCH TO SPLICE TRANSFER CASE SHIFT CONTROL SWITCH W/ ACCESSORY STEERING CONTROL W/ ACCESSORY STEERING CONTROL, W/ ODOMETER SECURITY WIRING PROVISIONS W/ BODY BUILDER EMERGENCY LAMP W/ COMFORT, DECOR LEVEL 3 W/ LUXURY EDITION W/ MANUAL FOLDING MIRROR, HEATED MIRROR W/ MANUAL FOLDING MIRROR, HEATED MIRROR (IN RIGHT FRONT DOOR HARNESS) W/ ROOF MARKER LAMP W/ ROOF MOUNTED LAMP PROVISIONS W/ STEERING WHEEL HEATER, ACCESSORY STEERING CONTROL, AUTOMATIC CRUISE CONTROL W/ STEERING WHEEL HEATER, AUTOMATIC CRUISE CONTROL W/ SUNROOF ROOF LAMP PROVISION W/ SUNROOF ROOF LAMP PROVISION W/O ROOF MARKER LAMP W/ SUNROOF SLIDING W/ WRECKER EMERGENCY LAMP W/O STEERING WHEEL HEATER W/O STEERING WHEEL HEATER, ACCESSORY STEERING CONTROL, AUTOMATIC CRUISE CONTROL WHT WIRE

BACKUP LP RLY CTRL GROUND CAMERA VID SIG (-) BLK WIRE BLK/WHT WIRE BLUNT CUT POWER PNK TAKE-OFF (PTO) PROVISION WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) BREAKOUT) CAMERA GND IGN CAMERA SIG (+) CAMERA SIG (-) PNK PNK WIRE CAMERA SIG (-) CAMERA SIG (-) CAMERA SIG (+) IGN CAMERA GND PNK PNK WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DRAIN WIRE CAMERA VID SIG (+) GRY WIRE HOT W/ RUN/ CRNK RELAY ENERGIZED INSIDE REARVIEW MIRROR (ISRVM) LAMP RLY CTRL LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LOGIC LOW SPEED SERIAL DATA LT BLU WIRE MISC IGN FUSE 43 (GAS) FUSE 40 (DIESEL) NCA WIRE PNK 4 3 2 1 WIRE PNK IGN WIRE PNK PNK WIRE PNK WIRE POWER DISTRIBUTION SYSTEM RADIO REARVIEW CAMERA (LEFT OF TAILGATE HANDLE) TAN WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) UUL, UUK WHT WIRE YEL WIRE

"B" PILLAR) 1 2 3 4 5 6 VOLTAGE DATA 6 6 R HIGH CTRL R LOW CTRL AIR BAG IND BACK LIGHT IND BAR SHORTING BELT IND BLK WIRE BLK/WHT WIRE BREAKOUT) COMPUTER DATA LINES SYSTEM CTRL CTRL ON IND DATA SERIAL DETECTOR) (UNDER FRONT PASSENGER SEAT) DK BLU WIRE DK GRN WIRE DK GRN/BLK WIRE DK GRN/WHT WIRE DRIVER SEAT BELT PRETENSIONER (ON LEFT EXCEPT 6.0L (VIN J) EXCEPT CREW CAB EXTENDED CAB CREW CAB GRN WIRE IGN INFLATABLE RESTRAINT PASSENGER PRESENCE SYSTEM (PPS) MODULE (W/ CHILD PRESENCE INFLATABLE RESTRAINT SENSING, DIAGNOSTIC INSTRUMENT PANEL CLUSTER (IPC) LEFT I/P JUNCTION PNK BLOCK (LOWER LEFT SIDE OF DASH) EXTENDED CAB CREW CAB WIRE LEFT REAR INFLATABLE RESTRAINT SIDE IMPACT SENSOR (SIS) (IN LEFT REAR DOOR) LOGIC LOW REF SEAT BELT SENS SIG LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MODULE (SDM) (UNDER DRIVER'S SEAT) NCA WIRE OFF IND ORG/ WIRE PASS SEAT PASSENGER AIR BAG OFF PASSENGER AIR BAG ON PASSENGER SEAT BELT IND PASSENGER SEAT BELT SWITCH (W/ 10 SERIES) PNK 1 2 WIRE PNK WIRE PNK/BLK WIRE PPL RED WIRE RED/WHT WIRE RIGHT REAR INFLATABLE RESTRAINT SIDE IMPACT SENSOR (SIS) (IN RIGHT REAR DOOR) SEAT BELT IND SERIAL DATA SHORTING BAR TAN WIRE TAN/WHT WIRE W/ CHILD PRESENCE DETECTOR W/ MULTI- DIRECTIONAL PASSENGER POWER SEAT ADJUSTER W/O NON-BUCKET FRONT INDIVIDUAL SEAT W/ NON-BUCKET FRONT INDIVIDUAL SEAT WHT WIRE WHT/BLK WIRE YEL/BLK WIRE

ANTI-LOCK BRAKES SYSTEM BACKUP LAMPS CIRCUIT BLK WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) BREAKOUT) BRN WIRE CAMPER TRAILER BLUNT CUTS DK BLU WIRE DK GRN WIRE EXTERIOR LIGHTS CIRCUIT HOT AT ALL TIMES HOT W/ BCK/UP LAMP RELAY ENERGIZED HOT W/ PARK LAMP RELAY ENERGIZED LEFT REAR FRAME RAIL) (31 SERIES: ON LEFT FRAME RAIL) LT BLU/WHT WIRE LT GRN WIRE LT TRAILER TURN SIG LMP ORG/ WIRE POWER DISTRIBUTION SYSTEM RED/BLK WIRE RT TRAILER TURN SIG LMP STUD 1 FUSE 68 FUSE 63 STUD 2 FUSE 63 FUSE 58 TRAILER BRAKE CONTROLLER SOLID STATE RELAY (20/30 SERIES: TRAILER CONNECTOR (W/ TRUCK TRAILER WIRING HARNESS) (AT REAR OF VEHICLE) TRAILER PROVISION (BLUNT CUT) TRLR BCK/UP FUSE 10 FUSE 9 TRLR LT STOP/TURN PCB RELAY TRLR PRK FUSE 25 FUSE 22 TRLR RT STOP/TURN PCB RELAY TRLR STOP LT FUSE 3 FUSE 2 TRLR STOP RT FUSE 1 FUSE 4 UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) W/ TRAILER BRAKE CONTROL W/O TRAILER BRAKE CONTROL WHEEL TRAILER WIRING PROVISIONS, 97 DECIBELS ELECTRICAL BACKUP ALARM WHT WIRE YEL WIRE

5 VOLT REF 3 5-VOLT REF 1 BLK WIRE BREAKOUT) BRN WIRE BRN/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ECT SENS SIG ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD) EVAP CTRL FUEL TANK SIG GENERATOR SIG GRY WIRE GRY/WHT WIRE LOW REF LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MAP SENS SIG NCA WIRE ORG/ WIRE ORG/BLK WIRE ORG/WHT WIRE PLUG SPARK PMRY SEN SIG PNK WIRE PNK/BLK WIRE PNK/WHT WIRE PPL PPL/WHT WIRE RED WIRE SECONDARY SIG STARTING/ CHARGING SYSTEM TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TOS SIG TRANSMISSIONS SYSTEM VSS HI SIG VSS LOW SIG WHT WIRE YEL WIRE

BLK WIRE BREAKOUT) BRN WIRE BRN/WHT WIRE CHG IND SIG CMP SIG CYL OFF CTRL 4 DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD) EOP SIG EVAPORATIVE EMISSION (EVAP) CANISTER PURGE SOLENOID VALVE (ON INTAKE MANIFOLD) GEN FDC SIG GRY WIRE GRY/WHT WIRE HARNESS, 5 CM IGNITION COILS (UPPER RIGHT SIDE OF ENGINE) INJ 2 CTRL INJ 3 CTRL INJ 4 CTRL INJ 7 CTRL LO REF LO REF LO REF LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MAP SIG PPL NCA WIRE ORG/ WIRE ORG/BLK WIRE ORG/WHT WIRE PNK PPL WIRE PNK WIRE PNK/BLK WIRE PPL PPL/WHT WIRE RED WIRE SOL CTRL CYL OFF CTRL 3 CYL OFF CTRL 1 CYL OFF CTRL 2 SPARK PLUG STARTING/ CHARGING SYSTEM TAC MTR CTRL 2 TAC MTR CTRL 1 TAN WIRE TAN/WHT WIRE YEL WIRE YEL/BLK WIRE

BLK WIRE BREAKOUT) BRN WIRE BRN/WHT WIRE CHG IND SIG CMP SIG CYL OFF CTRL 4 DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD) EOP SIG EVAPORATIVE EMISSION (EVAP) CANISTER PURGE SOLENOID VALVE (ON INTAKE MANIFOLD) GEN FDC SIG GRY WIRE GRY/WHT WIRE HARNESS, 5 CM IGNITION COILS (UPPER RIGHT SIDE OF ENGINE) INJ 2 CTRL INJ 3 CTRL INJ 4 CTRL INJ 7 CTRL LO REF LO REF LO REF LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MAP SIG PPL NCA WIRE ORG/ WIRE ORG/BLK WIRE ORG/WHT WIRE PNK PPL WIRE PNK WIRE PNK/BLK WIRE PPL PPL/WHT WIRE RED WIRE SOL CTRL CYL OFF CTRL 3 CYL OFF CTRL 1 CYL OFF CTRL 2 SPARK PLUG STARTING/ CHARGING SYSTEM TAC MTR CTRL 2 TAC MTR CTRL 1 TAN WIRE TAN/WHT WIRE YEL WIRE YEL/BLK WIRE