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

10 11 HIGH SPEED BUS (+) HIGH SPEED BUS (-) AUTOMATIC TRANSMISSION (6.6L) AUTOMATIC TRANSMISSION FLUID PRESSURE (TFP) MANUAL VALVE POSITION SWITCH BACKUP ALARM BACKUP LAMP (LEFT) BACKUP LAMP- RIGHT BCK/UP LAMP PCB RELAY BCK/UP RLY LOW SPEED SERIAL DATA BCK/UP SIG BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) BRN WIRE COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY DATA BUS - DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE EXCEPT 6.6L 6.6L GMLAN SERIAL HI SPD GRD GRN WIRE GRY WIRE HIGH SPEED BUS + HIGH SPEED BUS - HIGH SPEED GMLAN SERIAL DATA BUS + INSIDE REARVIEW MIRROR (ISRVM) LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LT GRN WIRE LT GRN/BLK WIRE MJR NCA WIRE ORG/ WIRE PARK/NEUTRAL POSITION (PNP) SWITCH (ON LEFT REAR SIDE OF TRANSMISSION) PNK WIRE POWER DISTRIBUTION SYSTEM REAR LAMPS JUNCTION BLOCK (INSIDE OF LEFT REAR FRAME RAIL) REAR VIEW CAMERA IMAGE DISPLAY MODULE (IF EQUIPPED) REARVIEW CAMERA (LEFT OF TAILGATE HANDLE) RED WIRE RED/BLK WIRE SW SIG 4 SW SIG A SW SIG B SW SIG C TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRAILER TOW CIRCUIT TRANS RANGE SIG A TRANS RANGE SIG B TRANS RANGE SIG C TRANSMISSION CONTROL MODULE (TCM) TRANSMISSION CONTROL MODULE (TCM) (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD) TRANSMISSION RANGE SWITCH SIGNAL A TRANSMISSION RANGE SWITCH SIGNAL B TRANSMISSION RANGE SWITCH SIGNAL C TRLR BCK/UP FUSE 10 FUSE 9 UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VEH BCK/UP FUSE 15 FUSE 14 W/ COMFORT, DECOR LEVEL 3 CONVENIENCE PACKAGE W/ SPO REARVIEW CAMERA WHT WIRE YEL WIRE YEL/BLK WIRE

AMBIENT LT SENS SIG HEADLAMP SW HEADLAMP ON SIG ANTI-LOCK BRAKES SYSTEM POWER DISTRIBUTION SYSTEM BLK WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) BRN WIRE BRN/WHT WIRE COURTESY LAMPS CTRL CRUISE CONTROL SYSTEM DIM FUSE 7 DK BLU/WHT WIRE DK GRN WIRE GRY WIRE HEADLAMP SW HEADLAMP OFF SIG COURTESY LAMP SUPPLY VOLT HEADLAMP SW PARK LAMP SIG HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM INTERIOR LIGHTS SYSTEM HEADLIGHTS, EXTERIOR LIGHTS SYSTEMS HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE OF DASH, IG 3 VOLT CRUISE CTRL SW SIG 5 VOLT REF WIPER SW HI SIG STEER WHL CTRL SW SIG IGNITION SWITCH KEY-IN IGNITION SWITCH LOW REF WIPER SW LOW SIG LT BLU WIRE LT GRN WIRE OFF ORG/ WIRE PNK WIRE PNK/BLK WIRE PPL PPL INTERIOR LAMP DEFEAT SW SIG RED/WHT WIRE RUN WIRE TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRACTION CTRL SW SIG ACCESSORY VOLT WHT WIRE WIPER/WASHER SYSTEM SOUND SYSTEMS WIPER/WASHER SYSTEM WIPER/WASHER SYSTEM YEL WIRE YEL/BLK WIRE

ANTI-THEFT SYSTEM BACKUP LAMP RELAY CTRL BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) BRN WIRE COURTESY LAMP SUPPLY VOLTAGE DK BLU WIRE DK GRN WIRE DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM INSTRUMENT CLUSTER SYSTEM DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM DRVR DOOR KEY SW SIG DRVR DOOR UNLK RELAY CTRL DOOR LK CTRL EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS, NAVIGATION SYSTEMS GRY WIRE GRY/BLK WIRE HEADLAMP LO BEAM RELAY CTRL PARK LAMP RELAY CTRL HEADLIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM HORN RELAY CTRL OUT OF PARK SIG WIPER SW SIG 2 FRONT WINDSHIELD SW HI SIG CTRL IGN 3 VOLTAGE 12 VOLT REF HOOD CLOSED SW SIG PARK BRAKE SW SIG INTERIOR LIGHTS SYSTEM DOOR LOCKS SYSTEM INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM INTRUSION SENS ARMED SIG LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLU WIRE LT TURN SIG LAMP SUPPLY CHMSL/STOP LAMP SUPPLY VOLT CRUISE/ETC/TCC BRAKE SIG ORG/ WIRE ORG/BLK WIRE PASS DOOR LK SW LK SIG PNK/BLK WIRE PNK/WHT WIRE POWER WINDOWS SYSTEM POWER WINDOWS SYSTEM POWER WINDOWS SYSTEM POWER WINDOWS SYSTEM POWER WINDOWS SYSTEM POWER WINDOWS SYSTEM PPL PPL INTRUSION SENS ALARM ON SIG PWR WIN MSTR SW LKOUT SIG PWR WIN MSTR SW RR UP SIG PWR WIN MSTR SW LR DN SIG PPL RF DOOR AJAR SW SIG PASS DR LK SW UNLK SIG LF DOOR AJAR SW SIG RR DOOR AJAR SW SIG LR DOOR AJAR SW SIG TAN WIRE TAN/WHT WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

6.6L EXCEPT 6.6L, 4.3L 4.3L AUTOMATIC A/C MANUAL A/C BLK WIRE BLK/WHT WIRE COLNT LVL COMPUTER DATA LINES SYSTEM COOLING FAN DIODE 1 COOLING FAN DIODE 2 DK BLU/WHT WIRE DK GRN WIRE ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD) ENGINE COOLANT LEVEL SWITCH (6.6L) (ON BOTTOM OF SURGE TANK) EXCEPT 6.6L, 6.0L (VIN K) FAN CNTRL RELAY FAN HI RELAY FAN LO RELAY FAN-1 FUSE 57 FAN-2 FUSE 60 GMLAN L GRY WIRE HOT AT ALL TIMES HVAC CONTROL MODULE LEFT COOLING FAN (LEFT FRONT OF ENGINE COMPT) LOGIC LT BLU WIRE LT GRN WIRE ORG/BLK WIRE PWR/ TRN RELAY RIGHT COOLING FAN (RIGHT FRONT OF ENGINE COMPT) TAN WIRE TAN/BLK WIRE UNDER- HOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) YEL WIRE

13 12 PPL BRAKE SW SIG 12 VOLT REF 16 15 19 HZ SW R TRN HZ SW L TRN HZ SW 24 2 1 5 RLY CTRL SPLY VOLT SPLY VOLT SPLY VOLT 6.0L 6.6L B+ B- BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) BRN WIRE CHEVROLET DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DRIVER DOOR LOCK/WINDOW SWITCH DRIVER OUTSIDE REARVIEW MIRROR ELECTRONIC BRAKE CONTROL MODULE (EBCM) (ON LEFT SIDE OF FRAME ASSEMBLY) EXCEPT HYBRID HYBRID GMC GROUND DISTRIBUTION SYSTEM GRY WIRE HAZARD SWITCH HEADLAMP, PANEL DIMMER SWITCH AUTO OFF HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE OF DASH, LEFT TURN LOWER RIGHT PARK/ TURN SIGNAL LAMP LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT STOP TRN FUSE 6 MAJ MIN NCA WIRE ORG/BLK WIRE ORG/WHT WIRE PARK HEAD PARK LP SIG PASSENGER DOOR LOCK/WINDOW SWITCH PASSENGER OUTSIDE REARVIEW MIRROR PPL RED/WHT WIRE RF TRN SIG RIGHT FRONT SIDE MARKER LAMP RIGHT TURN RN/CRK RLY CTRL RT STOP TRN FUSE 8 SPLY VOLT TAN WIRE TCC BRK SIG TURN SIGNAL/ MULTI-FUNCTION SWITCH (ON LEFT SIDE OF STEERING COLUMN) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) UPPER RIGHT PARK/ TURN SIGNAL LAMP W/ FOLDING MIRRORS W/O FOLDING MIRRORS W/ POWER FOLDING W/ MANUAL FOLDING WHT WIRE WHT/ DK BLU WIRE YEL WIRE

ANTI-LOCK BRAKES SYSTEM BLK WIRE BLUNT CUT) BRN WIRE CAMPER TRAILER PROVISION CAMPER TRAILER PROVISION (BLUNT CUTS) CENTER HIGH MOUNTED STOP LAMP (CHMSL) CHMSL FUSE 49 FUSE 46 CHMSL PCB RELAY COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE EXCEPT 6.6L 6.6L GMC GMC/ CHEVROLET GROUND DISTRIBUTION SYSTEM GRY WIRE HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER (IPC) IPC FUSE 46 FUSE 43 LEFT FRONT SIDE MARKER LAMP LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LEFT TURN IND LOGIC LOWER LEFT PARK/ TURN SIGNAL LAMP LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT PRK FUSE 26 FUSE 23 MAJ MIN MISC IGN FUSE 43 FUSE 40 ORG/ WIRE ORG/WHT WIRE PARK LAMP RELAY PNK WIRE POWER DISTRIBUTION SYSTEM POWER TAKE OFF (PTO) MODULE (IF EQUIPPED) (OUTSIDE OF RIGHT FRONT CHASSIS FRAME) PPL RED/BLK WIRE RED/WHT WIRE RIGHT TURN IND RT PRK FUSE 27 FUSE 24 RUN/ CRANK RELAY SERIAL DATA STOP LAMP SWITCH (TOP OF BRAKE PEDAL ASSEMBLY) TRAILER TOW CIRCUIT TRLR PRK FUSE 25 FUSE 22 UPPER LEFT PARK/ TURN SIGNAL LAMP YEL WIRE

6399 (OR 821) 71 72 73 VSS HIGH SIG VSS LO SIG GND A/C CL CTL A/C PRES SIG LO REF AIR CONDITIONING SYSTEM ANTI-LOCK BRAKES SYSTEM AXL SW SIG BANK 1 SENSOR 2 (DOWNSTREAM OF LEFT CATALYTIC CONVERTER) BANK 2 SENSOR 2 (DOWNSTREAM OF RIGHT CATALYTIC CONVERTER) BLK WIRE BLK/WHT WIRE BRK SW SIG BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM COOLING FANS SYSTEM COMPUTER DATA LINES SYSTEM 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) FUEL CTL FUEL CTL-SEC STRT RLY CTL FUEL LVL-SEC FUEL PMP RELAY FUEL PUMP FUSE 20 FUEL TANK PRESSURE (FTP) SENSOR (ON FUEL PUMP, SENDER ASSEMBLY) GMLAN - GMLAN + GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HEATED OXYGEN HOT AT ALL TIMES IAT SIG LO REF LO REF LO REF LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MAF SIG MIL CTL PPL NCA WIRE ORG/BLK WIRE ORG/WHT WIRE PNK WIRE PNK/BLK WIRE PPL PPL FUEL LVL-PRI CFAN HI CTL ACC SER DATA PPL LO REF FTP SIG PPL/WHT WIRE PRIMARY FUEL PUMP, REAR FUEL PUMP, SENDER ASSEMBLY (6.0L (VIN K)) (IN REAR FUEL TANK) RED/WHT WIRE SECONDARY FUEL PUMP (FP) RELAY (6.0L (VIN K)) (LEFT SIDE OF ENGINE COMPT) SENDER ASSEMBLY (INSIDE FUEL TANK) STARTING/ CHARGING SYSTEM TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRANSMISSIONS SYSTEM UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VSS CFAN LO CTL PWTN RLY CTL WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

AUX HVAC-IGN FUSE 48 BANK 1 SENSOR 1 (UPSTREAM OF LEFT CATALYTIC CONVERTER) BANK 2 SENSOR 1 (UPSTREAM OF RIGHT CATALYTIC CONVERTER) BLK WIRE BLK/WHT WIRE BRAKE FLUID LEVEL SWITCH (ON MASTER CYLINDER) BRN WIRE BRN/WHT WIRE CAMSHAFT POSITION (CMP) SENSOR (FRONT OF ENGINE, ABOVE CRANK PULLEY) COMPUTER DATA LINES SYSTEM CRANKSHAFT POSITION (CKP) SENSOR (RIGHT REAR OF ENGINE) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ENGINE COOLANT TEMPERATURE (ECT) SENSOR (ON TOP OF ENGINE) ENGINE OIL LEVEL SWITCH ENGINE OIL PRESSURE (EOP) SENSOR (TOP REAR OF ENGINE) ENGINE OIL PRESSURE IND FROM INJ-B FUSE 13 (DIAGRAM 2 OF 4) GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HEATED OXYGEN HOT AT ALL TIMES UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) IPC FUSE 46 HOT IN RUN OR START IGN B+ IGN MALFUNCTION INDICATOR LAMP INSTRUMENT PANEL CLUSTER (IPC) KNOCK SENSOR 1 (LOWER LEFT SIDE OF ENGINE) KNOCK SENSOR 2 (LOWER RIGHT SIDE OF ENGINE) LO BUS LOGIC LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR (ON TOP OF INTAKE MANIFOLD) NCA WIRE ORG/BLK WIRE PNK PNK 38 39 WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE PPL PPL PNK PNK WIRE PPL/WHT WIRE RED/WHT WIRE SNSR FUSE 18 TAN WIRE TAN/WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

BLK WIRE BRN WIRE BRN/WHT WIRE CHG IND SIG CMP SIG CTRL CYL OFF CTL 2 CYLINDER SHUTOFF SOLENOID 1, CYL 1 CYLINDER SHUTOFF SOLENOID 2, CYL 4 CYLINDER SHUTOFF SOLENOID 3, CYL 6 CYLINDER SHUTOFF SOLENOID 4, CYL 7 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 GEN FDC SIG OIL LVL SW SIG LO REF LO REF GRY WIRE GRY/BLK WIRE GRY/WHT WIRE IGN IGNITION COILS INJ 2 CTL INJ 3 CTL INJ 4 CTL INJ 7 CTL 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 NCA WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE ORG/WHT WIRE PNK PNK 38 39 WIRE PNK WIRE PNK/BLK WIRE PPL PPL CAM SOL CTL INJ 8 CTL INJ 5 CTL INJ 6 CTL INJ 1 CTL ECT SIG LO REF PPL PNK PNK WIRE PPL/WHT WIRE RED WIRE REF LO SOL CTRL CYL OFF CTL 3 CYL OFF CTL 1 CYL OFF CTL 4 SPARK PLUG SPARK SPARK PLUG PLUG SPARK SPARK SPARK PLUG PLUG PLUG STARTING/ CHARGING SYSTEM STARTING/CHARGING SYSTEM TAC MOT CTL 2 TAC MOT CTL 1 TAN WIRE TAN/WHT WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

BLK WIRE BRN WIRE BRN/WHT WIRE CMP SENSOR SIG DK BLU WIRE DK BLU/WHT WIRE ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD) ENGINE COOLANT TEMPERATURE (ECT) SENSOR (TOP FRONT CENTER OF ENGINE) EXHAUST GAS RECIRCULATION (EGR) TEMPERATURE SENSOR 1 (TOP RIGHT REAR OF ENGINE) FUEL PRESSURE REGULATOR GRN WIRE GRY WIRE GRY YEL/BLK WIRE GRY/BLK WIRE GRY/WHT WIRE IAT SENSOR SIG DPF SENSOR SIG OIL PRESS SIG ECT SENSOR SIG INTAKE AIR TEMPERATURE (IAT) SENSOR 2 (ON TOP CENTER OF ENGINE) LOW REF LOW REF FUEL PRESS VOLT INJ + GROUP 4 INJ 6 INJ 3 LOW REF LOW REF LOW REF TURBO VANE POS FUEL INJ VOLT 3 INJ 5 INJ 4 LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE MAF SENSOR SIG LOW REF MAP SENSOR SIG TUR VANE POS SIG APP SENSOR 2 SIG NCA WIRE OIL LEVEL SW SIG ORG/ WIRE ORG/BLK WIRE PNK WIRE PNK/BLK WIRE PPL PPL/WHT WIRE RED WIRE STARTING/CHARGING SYSTEM TAN ORG/BLK WIRE TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRANSMISSIONS SYSTEM YEL WIRE YEL/BLK WIRE