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

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 CLIMATE CONTROL SEAT MODULE (IF EQUIPPED) 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) 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/ 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

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

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 5 14 SW SIG 9 2 12 SERIAL DATA PNK WIRE AUTOMATIC DAY/NIGHT MIRROR BLK 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 MEMORY/HEATED SEAT SWITCH DRIVER OUTSIDE REARVIEW MIRROR EXIT 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 LOGIC DRIVER DOOR LOCK/WINDOW SWITCH LT BLU WIRE MIRROR CIRCUIT ORG/ WIRE OUTSIDE REARVIEW MIRROR SWITCH PNK WIRE RED/WHT WIRE RETRACT RIGHT SERIAL DATA 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 BRN WIRE COMPUTER DATA LINES SYSTEM DK GRN WIRE 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

ACCELERATOR PEDAL POSITION (APP) SENSOR (ABOVE ACCELERATOR PEDAL) BLK WIRE BLU WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/ WHT WIRE GRY WIRE GRY/WHT WIRE HI SPD GMLAN SER DATA - IGN VOLT IND INSTRUMENT PANEL CLUSTER (IPC) LOGIC IND CTRL LOW ENGINE OIL PRESSURE IND LT BLU WIRE LT GRN WIRE MALFUNCTION INDICATOR LAMP NITROGEN NITROGEN OXIDES SENSOR 2 (IN EXHAUST, MIDDLE OF DIESEL PARTICULATE FILTER) ORG/WHT WIRE PNK WIRE PNK/BLK WIRE PPL PPL PNK WIRE PPL/WHT WIRE RED WIRE RED/WHT WIRE REDUCTANT FLUID RESERVOIR ASSEMBLY REDUCTANT FLUID RESERVOIR ASSEMBLY REDUCTANT TANK HEATER REDUCTANT SENSOR MODULE (ABOVE REDUCTANT TANK) SENS 1 GND SENS 1 SPLY VOLT SENS 2 GND SER MIL DATA CTRL TAN WIRE TAN/BLK WIRE W/O 2 SPEED TRANSFER CASE WAIT TO WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLK/WHT WIRE BRN WIRE CHARGE AIR COOLER INLET TEMPERATURE SENSOR (INTAKE MANIFOLD) CHARGE AIR COOLER OUTLET TEMPERATURE SENSOR (TOP RIGHT FRONT OF ENGINE) COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE GLOW PLUGS (2, 4, 6, 8: ABOVE RESPECTIVE CYLINDERS) GRY WIRE GRY/WHT WIRE HI SPD GMLAN SER DATA - HOT AT ALL TIMES HTR CTRL IAH COMM 1 IAH COMM 2 IAH CURRENT SIG IAH DIG SIG IAH FDBK SIG IAH HEART BEAT SIG IAH SW ON/OFF SIG IAH TEMP SIG IAH VOLT FEEDBACK SIG IAH VOLT SIG IGN 1 VOLT INTAKE AIR HEATER (IAH) (LEFT FRONT OF ENGINE ) LINE HTR CTRL LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE NCA WIRE ORG/BLK WIRE ORG/WHT WIRE PLUG 1 CTRL PLUG 2 CTRL PLUG 3 CTRL PLUG 4 CTRL PLUG 5 CTRL PLUG 6 CTRL PLUG 7 CTRL PLUG 8 CTRL PNK WIRE PNK/BLK WIRE PNK/WHT WIRE POWER DISTRIBUTION SYSTEM PPL PPL/WHT WIRE PUMP HTR CTRL RED WIRE RED/BLK WIRE RED/WHT WIRE SENS 1 GND SENS 1 SPLY VOLT SENS 2 GND SENS 2 SPLY VOLT TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE HOLDER (RIGHT SIDE OF FIREWALL) WAKEUP SER DATA YEL WIRE

5 VOLT REF ACT CTRL CLOSE ACT CTRL OPEN BLK WIRE BLK/WHT WIRE BRN WIRE BRN/GRY WIRE BRN/WHT WIRE CAC TEMP SENS SIG CKP SENS SIG CMP SENS SIG CTRL CYL 2 CTRL CYL 3 CTRL CYL 5 CTRL CYL 8 DK BLU WIRE DK BLU/WHT WIRE DK BLU/YEL WIRE DK GRN WIRE DK GRN/WHT WIRE ECT SENS SIG EGR VALVE SENS SIG EGRT SENS 1 SPLY VOLT EGRT SENS 2 SPLY VOLT EGRV MTR HIGH SIG EGRV MTR LOW SIG EGT SENS 1 SIG ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT, NEAR FAN SHROUD) FUEL LEVEL SENS SIG FUEL TEMP 1 SIG FUEL TEMP SIG GRY WIRE GRY/BLK WIRE GRY/WHT WIRE INTAKE AIR VALVE LOW REF LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE MTR CLOSE CTRL MTR OPEN CTRL NCA WIRE OIL PRESSURE SENS SIG ORG/BLK WIRE PNK WIRE PNK/BLK WIRE POS SENS SIG PPL/WHT WIRE PRESSURE SENS RTN PRESSURE SENS SIG PRESSURE SW SIG RED/WHT WIRE SECONDARY FUEL LEVEL SENSOR SHUTDOWN SIG TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TEMP 1 RTN TEMP SENS RTN TEMP SENS SIG TRANSMI- SSIONS SYSTEM WATER IN FUEL SENS SIG WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CRANKSHAFT POSITION (CKP) SENSOR (FRONT OF ENGINE, RIGHT OF CRANK PULLEY) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DSL ECM FUSE 12 ECM BATT FUSE 11 ECM IGN FUSE 53 ECM/THROT CONT FUSE ENG FUSE 3 EXHAUST GAS RECIRCULATION (EGR) TEMPERATURE SENSOR 2 (TOP RIGHT FRONT OF ENGINE) EXHAUST GAS RECIRCULATION (EGR) VALVE (ON TOP RIGHT SIDE OF ENGINE) FUEL FILTER PRESSURE SWITCH (MIDDLE RIGHT RIGHT SIDE OF ENGINE) FUEL INJECTOR 2 (ABOVE RESPECTIVE CYLINDER) FUEL INJECTOR 5 FUEL PUMP FUSE 18 FUEL PUMP RELAY GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT W/ RUN/CRNK RELAY 15 ENERGIZED LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE NCA WIRE ORG/BLK WIRE PNK WIRE PNK/BLK WIRE PPL/WHT WIRE PWR/ TRN RELAY 49 RED/WHT WIRE TAN WIRE TAN/WHT WIRE TRANS IGN 1 FUSE 13 UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) W/ 2 SPEED ELECTRIC, MANUAL SHIFT CONTROL TRANSFER CASE W/O 2 SPEED ELECTRIC, MANUAL SHIFT CONTROL TRANSFER CASE WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 8 FUEL PUMP RLY CTRL 5 VOLT REF 5 VOLT REF ANTI-LOCK BRAKES SYSTEM BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE DFI VOLT CTRL CYL 4 DFI VOLT CTRL CYL 6 DFI VOLT CTRL CYL 7 DFI VOLT CTRL CYL 8 DK BLU WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT, NEAR FAN SHROUD) ENGINE OIL PRESSURE (EOP) SENSOR (LOWER LEFT REAR OF ENGINE) FUEL INJECTOR 1 (TOP OF RIGHT CYLINDER BANK) FUEL INJECTOR 6 (ABOVE RESPECTIVE CYLINDER) FUEL INJECTOR 7 (TOP OF RIGHT CYLINDER BANK) FUEL PRESSURE REGULATOR 1 FUEL PRESSURE REGULATOR 2 GRY WIRE LOW REF LT BLU WIRE LT BLU/WHT WIRE NCA WIRE ORG/BLK WIRE PPL PPL/ WHT WIRE PPL/WHT WIRE SENS VOLT REF 5 VOLT REF TAN WIRE TAN/WHT WIRE TURBOCHARGER VANE POSITION CONTROL SOLENOID VALVE (TOP REAR OF ENGINE) TURBOCHARGER VANE POSITION SENSOR (ON LEFT SIDE OF ENGINE) VALVE HIGH CTRL SOL SPLY VOLT VALVE LOW CTRL SOL LOW SIG LOW REF LOW REF VEHICLE SPD SIG WHT WIRE WHT/ BLK WIRE YEL WIRE YEL/BLK WIRE