Wiring diagram engine performance 6.6l vin 6 for Chevrolet Chevy Express G3500 (1996-2012)

23 24 25 26 27 PPL BLK WIRE BRN WIRE BRN/WHT WIRE CMP SENSOR SIG COOLING FANS SYSTEM DK BLU WIRE DK BLU/WHT WIRE ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) EXHAUST GAS RECIRCULATION (EGR) TEMPERATURE SENSOR 1 GRY WIRE GRY/BLK WIRE IAT SENSOR SIG DPF SENSOR SIG OIL PRESS SIG INTAKE AIR TEMPERATURE (IAT) SENSOR (AT FRONT OF TURBOCHARGER) LOW REF LOW REF LOW REF LOW REF TURBO VANE POS CTRL FUEL INJ SPLY VOLT 3 FUEL INJ 5 CTRL FUEL INJ 4 CTRL LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE NCA WIRE OIL LEVEL SW SIG ORG/ WIRE ORG/BLK WIRE PNK 7 8 9 10 11 12 13 WIRE PNK WIRE PNK/BLK WIRE PPL PPL/WHT WIRE RED WIRE STARTING/CHARGING SYSTEM 2834 5422 TAN WIRE TAN/WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

1786 5985 TRANSMISSIONS SYSTEM COMPUTER DATA LINES SYSTEM 2759 3108 2365 2931 6288 419 2927 2366 507 2366 3657 COOLING FANS SYSTEM 7493 2500 440 5991 2364 23 6141 6399 1439 COMPUTER DATA LINES SYSTEM AIR CONDITIONING SYSTEM APP SIG 1 5 VOLT REF 5 VOLT REF BLK WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM 439 492 225 1272 COOLING FANS SYSTEM CRUISE/ETC/TCC BRK SIG CUTAWAY DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) EXHAUST TEMPERATURE SENSOR 2 EXHAUST TEMPERATURE SENSOR 3 EXHAUST TEMPERATURE SENSOR 5 GRY WIRE GRY/BLK WIRE INJ HIGH CTRL A/C CLUTCH RLY CTRL LOW REF LOW REF LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE MASS AIR FLOW (MAF)/INTAKE AIR TEMP (IAT) SENSOR (ATTACHED TO AIR INTAKE DUCT) NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK IGN 1 VOLT AIR FLOW SENS SIG GENERATOR TURN ON SIG LOW REF WIRE PNK PNK WIRE PNK WIRE PPL PPL PNK WIRE RED/WHT WIRE REDUCTANT PRESSURE SENSOR REDUCTANT PURGE SOLENOID VALVE STARTING/CHARGING SYSTEM STARTING/CHARGING SYSTEM 3101 6783 TAN WIRE TAN/BLK WIRE WHT WIRE WHT/ DK BLU WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

1 2 PNK WIRE 22 23 24 25 26 PPL 23 24 25 26 27 PPL ACC SER DATA BATT POS VOLT BLK WIRE BRN WIRE BRN/WHT WIRE BUS - COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ENGINE OIL LEVEL SWITCH (ON LEFT SIDE OF OIL PAN) GRY WIRE GRY/BLK WIRE IAH COMM 1 IAH COMM 2 IAH CURRENT SIG IAH FDBK SIG IAH TEMP SIG IAH VOLT SIG IGN VOLT LT BLU WIRE LT BLU/BLK WIRE LT GRN/WHT WIRE ORG/ WIRE ORG/BLK 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 7 8 9 10 11 12 13 WIRE PNK 8 9 10 11 12 13 WIRE PNK WIRE PNK/BLK WIRE PPL/WHT WIRE RED WIRE TAN WIRE TAN/BLK WIRE TAN/WHT WIRE WATER IN-FUEL SENSOR WHT/LT GRN WIRE WHT/RED WIRE WHT/YEL WIRE YEL WIRE YEL/BLK WIRE

A/C REFRIGERANT PRESSURE SENSOR ACCELERATOR PEDAL POSITION (APP) SENSOR (UNDER LEFT SIDE OF DASH) BLK WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CUTAWAY DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE EXHAUST AFTERTREATMENT FUEL INJECTOR 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 MIL SER CTRL DATA NITROGEN OXIDES SENSOR 1 NITROGEN OXIDES SENSOR 2 ORG/WHT WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE PPL PPL PNK WIRE PPL/WHT WIRE RED/WHT WIRE REDUCTANT INJECTOR REDUCTANT LINE HEATER REDUCTANT PUMP REDUCTANT SENSOR MODULE REDUCTANT TANK HEATER SENS 1 GND SENS 1 SPLY VOLT SENS 2 GND TAN WIRE TAN/BLK WIRE WAIT TO WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

1 2 PNK WIRE 22 23 24 25 26 PPL BATT POS VOLT BLK WIRE BRN WIRE BRN/WHT WIRE CAMSHAFT POSITION (CMP) SENSOR (ON FRONT OF ENGINE) CKP SENSOR SIG CRANKSHAFT POSITION (CKP) SENSOR (NEXT TO CRANKSHAFT PULLEY) CRUISE CONTROL SYSTEM DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE EGR 2 SPLY VOLT EGT SENSOR SIG ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) FRP SENSOR SIG FUEL INJ 1 CTRL FUEL INJ 2 CTRL FUSIBLE LINK 1 FUSIBLE LINK 4 GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES IGN VOLT INTAKE AIR VALVE (ATTACHED TO LEFT SIDE OF INTAKE HOUSING) LOW REF LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK 8 9 10 11 12 13 WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE PPL PPL 22 23 24 PPL/WHT WIRE RED WIRE RED/WHT WIRE TAN WIRE TAN/WHT WIRE TCC BRAKE SIG TP SENS 1 SIG WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

BATTERY BLK WIRE BRN WIRE CHARGE AIR COOLER INLET TEMPERATURE SENSOR CHARGE AIR COOLER OUTLET TEMPERATURE SENSOR COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE FUSIBLE LINK 1 FUSIBLE LINK 4 GRY WIRE GRY/WHT WIRE HI SPD GMLAN SER DATA - 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 (BETWEEN INTAKE MANIFOLD TUBE, AIR COOLER OUTLET DUCT) LINE HTR CTRL LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE MANIFOLD ABSOLUTE PRESSUE (MAP) SENSOR (ATTACHED TO INTAKE MANIFOLD TUBE) 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/WHT WIRE SENS 1 GND SENS 1 SPLY VOLT SENS 2 GND SENS 2 SPLY VOLT TAN WIRE TAN/BLK WIRE UNDERHOOD JUNCTION BLOCK WAKEUP SER DATA YEL WIRE

BLK WIRE BRN WIRE DK BLU WIRE DK BLU/WHT WIRE DK GRN/ WHT WIRE DK GRN/WHT WIRE ECM BATT FUSE 54 ECM IGN FUSE 48 ECM PWR/ TRN FUSE 50 ECM PWR/ TRN FUSE 65 FUEL HEATER FUEL HTR FUSE 4 GLOW PLUG MDL FUSE FUEL PUMP FUSE 2 FUEL PUMP RELAY 72 FUEL RAIL PRESSURE (FRP) SENSOR (ON TOP REAR OF ENGINE) GRY WIRE HOT AT ALL TIMES HOT IN RUN OR START LT BLU WIRE LT BLU/BLK WIRE LT GRN/BLK WIRE MAF/ CNSTR VENT FUSE 49 NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK PNK PNK 1 2 3 WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE PPL PPL 22 23 24 PWR/ TRN RELAY 76 RED WIRE RED/WHT WIRE TAN WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

5 VOLT REF ACT CTRL CLOSE ACT CTRL OPEN 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) EXHAUST TEMPERATURE SENSOR 1 FUEL TEMP 1 SIG FUEL TEMP SIG FUEL TEMPERATURE SENSOR 1 FUEL TEMPERATURE SENSOR 2 GRY WIRE GRY/BLK WIRE GRY/WHT WIRE INTAKE AIR VALVE (ATTACHED TO LEFT SIDE OF INTAKE HOUSING) LOW REF LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE NCA WIRE OIL PRESSURE SENS SIG ORG/BLK WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE POS SENS SIG POS SENS SIG 1 PPL/WHT WIRE PRESSURE SENS RTN PRESSURE SENS SIG PRESSURE SW SIG RED/WHT WIRE TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TEMP 1 RTN TEMP SENS RTN TEMP SENS SIG WATER IN FUEL SENS SIG WATER IN-FUEL SENSOR WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

225 7076 STARTING/CHARGING SYSTEM 23 1786 STARTING/ CHARGING SYSTEM TRANSMISSION SYSTEM 2501 6399 COMPUTER DATA LINES SYSTEM 5985 2500 COMPUTER DATA LINES SYSTEM 6141 2700 2365 1271 419 459 COOLING FANS SYSTEM A/C REFRIGERANT PRESSURE SENSOR ACC WAKE SER DATA SER DATA BUS + AIR CONDITIONING SYSTEM ANTI-LOCK BRAKES SYSTEM BLK/WHT WIRE BLOCK BLU WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM DK BLU WIRE DK GRN/WHT WIRE ECM RELAY CTRL TAC MTR CTRL 1 IGN VOLT EGR MTR HI CTRL LOW REF A/C REFRIG SENS SIG FUEL LEVEL SENSOR SIG ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) ENGINE OIL PRESSURE GAUGE FUEL GAUGE FUEL LEVEL SENSOR (ON LEFT FRAME RAIL) FUEL PUMP RLY CTRL LOW REF FUEL RAIL TEMPERATURE (FRT) SENSOR (ON TOP LEFT SIDE OF ENGINE) GEN TURN ON SIG CHARGE IND CTRL GENERATOR SIG PARK/NEUTRAL SIG GRN WIRE GRY WIRE IND INSTRUMENT PANEL CLUSTER (IPC) LOGIC LOW ENGINE OIL PRESSURE IND LOW REF LT BLU WIRE LT GRN/BLK WIRE MALFUNCTION INDICATOR LAMP MIL CONTROL A/C CLUTCH RLY CTRL ORG/ WIRE ORG/BLK WIRE PNK PNK PNK 1 2 3 WIRE PNK WIRE POWER DISTRIBUTION SYSTEM PPL SER DATA BUS - TOS SIG TACHOMETER TAN WIRE TAN/BLK WIRE TRANSMISSION SYSTEM VEHICLE SPEED SIG WAIT TO WAIT TO START IND CTRL WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

BLK WIRE BLK/WHT WIRE BRK SW FUSE 13 BRN WIRE BRN/WHT WIRE CRANKSHAFT POSITION (CKP) SENSOR (NEXT TO CRANKSHAFT PULLEY) DIESEL FUEL PUMP FUSE 24 DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ECM BATT FUSE 19 ECM IGN/GLOW PLUG MDL IGN FUSE 30 ECM PWR/ TRN FUSE 45 EXHAUST GAS RECIRCULATION (EGR) TEMPERATURE SENSOR 2 EXHAUST GAS RECIRCULATION (EGR) VALVE (RIGHT SIDE OF ENGINE ABOVE 1 CYLINDER) FUEL FILTER PRESSURE SWITCH FUEL HTR FUSE 71 FUEL INJECTOR 2 (ON LEFT SIDE OF ENGINE) FUEL INJECTOR 3 (ON RIGHT SIDE OF ENGINE) FUEL INJECTOR 5 (ON RIGHT SIDE OF ENGINE) FUEL INJECTOR 8 (ON LEFT SIDE OF ENGINE) 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 MAF/ CNSTR FUSE 71 NCA WIRE ORG/BLK WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE PPL/WHT WIRE PWR/ TRN RELAY 49 RED/WHT WIRE TAN WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) WHT/BLK WIRE YEL WIRE

5 VOLT REF ANTI-LOCK BRAKES SYSTEM BLK WIRE BLK/ WHT 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 ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) ENGINE OIL PRESSURE (EOP) SENSOR (LOWER LEFT SIDE OF ENGINE) EXHAUST GAS RECIRCULATION (EGR) TEMPERATURE SENSOR 1 FUEL HEATER FUEL INJECTOR 1 (ON RIGHT SIDE OF ENGINE) FUEL INJECTOR 6 (ON LEFT SIDE OF ENGINE) FUEL INJECTOR 7 (ON RIGHT SIDE OF ENGINE) FUEL PRESSURE REGULATOR 1 FUEL PRESSURE REGULATOR 2 GND SOL HIGH SIG GRY WIRE LOW REF LT BLU WIRE LT BLU/WHT WIRE NCA WIRE ORG/BLK WIRE PNK WIRE PPL PPL/ WHT WIRE PPL/WHT WIRE SENS VOLT REF 5 VOLT REF SHEILD TAN WIRE TAN/WHT WIRE TURBOCHARGER VANE POSITION SENSOR (ON TOP OF TURBOCHARGER) 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