Chevrolet Silverado 3500 (2002-2006) Wiring diagram engine performance 6.6l vin 1, except california

27 28 29 PPL BATTERY BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (LEFT SIDE OF DASH) BRN WIRE BRN/WHT WIRE CAN-LOW CAN-HIGH CKP SIGNAL COOLANT LEVEL SWITCH (IN COOLANT RESERVOIR) CRANK FUSE 10 CRANKSHAFT POSITION SENSOR CRUISE CONTROL SYSTEM DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ENGINE CONTROL MODULE ENGINE COOLANT TEMPERATURE (ECT) SENSOR ENGINE OIL LEVEL SWITCH (LEFT REAR OF OIL PAN) ENGINE OIL PRESSURE SENSOR (ON TOP REAR OF ENGINE) FUSE GROUND LOW REF GRY WIRE GRY/BLK WIRE HOT IN HOT IN OFF, RUN, START HOT IN RUN, START IA HTR DIAG 1 COOL LEV SIG IGN 0 FUSE IND CTRL SET/COAST SIG IGN 1 BATT LOW REF RES/ACC SIG INJ 1 CTRL INJ 4 CTRL EOP SIG INJ 8 CTRL INJ 3 CTRL LEFT I/P FUSE BLOCK LEV SW SIG PTO ENABLE LOW REF LOW REF LOW REF SPLY VOLT LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PLUG SIG PNK WIRE PNK/BLK WIRE PPL PPL 20 21 PPL LOW REF LOW REF PTO TAKE OFF SWITCH/RELAY RED/BLK WIRE STARTING/CHARGING SYSTEM TAN WIRE TAN/WHT WIRE TRANSMISSIONS SYSTEM TURN ON SIG CRANK VOLT P/N SIG CCP SW SIG INJ 2 CTRL INJ 5 CTRL PPL UNDER- HOOD FUSE BLOCK WATER IN-FUEL SENSOR WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

2524 806 1786 STARTING SYSTEM 508 84 439 440 1868 87 CRUISE SYSTEM 632 1324 CRUISE CONTROL SYSTEM BATTERY CLASS 2 DATA CLASS 2 DATA BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (LEFT SIDE OF DASH) BRN WIRE BRN/WHT WIRE CAN-LOW CAN-HIGH CKP SIGNAL COOLANT LEVEL SWITCH (IN COOLANT RESERVOIR) CRANK FUSE CRUISE SYSTEM DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) ENGINE COOLANT TEMPERATURE SENSOR (TOP FRONT OF ENGINE) FUSE GROUND LOW REF GRY WIRE GRY/BLK WIRE HOT IN HOT IN OFF, RUN, START LEFT I/P FUSE BLOCK IGN 0 FUSE HOT IN RUN, START IA HTR SPLY COOL LEV SIG IND CTRL SET/COAST SIG IGN 1 BATT LOW REF RES/ACC SIG INJ 1 CTRL INJ 4 CTRL INJ 8 CTRL INJ 3 CTRL LEV SW SIG PTO ENABLE LOW REF LOW REF LOW REF LOW REF SPLY VOLT LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE ORG/ WIRE ORG/BLK WIRE PARK/NEUTRAL POSITION SWITCH PLUG SIG PNK WIRE PNK/BLK WIRE PPL PPL 28 29 PPL LOW REF APP SENS SIG RED/BLK WIRE SPLICE PACK TAN WIRE TURN ON SIG CRANK VOLT P/N SIG CCP SW SIG INJ 2 CTRL INJ 5 CTRL PPL UNDER- HOOD FUSE BLOCK WATER IN FUEL SENSOR (ON FUEL FILTER ELEMENT) WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

20 SERIES 23 24 PNK WIRE 27 28 29 PPL 30 SERIES ACCELERATOR PEDAL POSITION SENSOR (BEHIND ACCELERATOR PEDAL) BLK WIRE BLK/WHT WIRE BLU/WHT WIRE BRN WIRE BRN/WHT WIRE CAMSHAFT POSITION SENSOR DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ECMRPV FUSE EDU RELAY FUEL HEATER FUEL PUMP (AUXILIARY TANK (LEFT SIDE FRAME RAIL) FUEL PUMP RELAY FUSE HOLDER GLOW PLUG RELAY GLOW PLUG/ INTAKE HEATER RELAY ASSEMBLY GLOW PLUGS GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT AT ALL TIMES BATTERY FUSE HOT IN RUN, START UNDER- HOOD FUSE BLOCK FUEL HT FUSE INTAKE AIR HEATER INTAKE AIR HEATER RELAY INTAKE AIR TEMPERATURE (IAT)/ MASS AIRFLOW (MAF) SENSOR (IN AIR INDUCTION TUBE) LT BLU WIRE LT BLU/BLK WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PCMB FUSE PNK WIRE PNK/BLK WIRE PNK/YEL WIRE PPL PPL 20 21 RED WIRE RED/BLK WIRE TAN WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

20 SERIES 30 SERIES APP 2 ACCELERATOR PEDAL POSITION SENSOR (BEHIND ACCELERATOR PEDAL) APP 3 APP 1 BLK WIRE BLK/WHT WIRE BLU/WHT WIRE BRN WIRE BRN/WHT WIRE CAMSHAFT POSITION SENSOR (FRONT OF ENGINE) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ECMPRV FUSE EDU RELAY FUEL HEATER (TOP OF FUEL FILTER ELEMENT) FUEL PUMP (AUXILIARY TANK (LEFT SIDE FRAME RAIL) FUEL PUMP RELAY FUSE HOLDER GLOW PLUG RELAY GLOW PLUG/ INTAKE HEATER RELAY ASSEMBLY GLOW PLUGS GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT AT ALL TIMES BATTERY FUSE HOT IN RUN, START UNDERHOOD FUSE BLOCK FUEL HT FUSE INTAKE AIR HEATER INTAKE AIR HEATER RELAY LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PCMB FUSE PNK WIRE PNK/BLK WIRE PNK/YEL WIRE PPL PPL 28 29 RED WIRE RED/BLK WIRE TAN WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

23 24 PNK WIRE BARO SENSOR BLK WIRE BLK/WHT WIRE BOOST SENSOR CAN HI CAN LOW DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE SPD FUEL INJECTOR CONTROL MODULE FUEL INJECTORS FUEL PRESSURE SENSOR FUSE GROUND GRY WIRE GRY/BLK WIRE HOT IN RUN, START IGN IGN 2,3,5,8 IGN POS INJB FUSE LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/GRN WIRE LT GRN/ORG WIRE LT GRN/PPL WIRE LT GRN/RED WIRE LT GRN/WHT WIRE NCA WIRE ORG/BLK WIRE ORG/WHT WIRE PNK WIRE PNK/BLK WIRE RED WIRE RED/BLK WIRE TAN WIRE UNDER- HOOD FUSE BLOCK WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BLK/YEL WIRE CAN HI CAN LOW DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE SPD FUEL INJECTOR CONTROL MODULE (UNDER AIR INTAKE DUCT) FUEL INJECTORS GROUND GRY WIRE HOT IN RUN, START IGN IGN 2,3,5,8 IGN POS INJ 1 CTRL INJ 2 CTRL INJ 3 CTRL INJ 4 CTRL INJ 5 CTRL INJ 6 CTRL INJ 7 CTRL INJ 8 CTRL INJB FUSE LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/GRN WIRE LT GRN/ORG WIRE LT GRN/PPL WIRE LT GRN/RED WIRE LT GRN/WHT WIRE ORG/BLK WIRE ORG/WHT WIRE PNK WIRE PNK/BLK WIRE RED WIRE RED/BLK WIRE TAN WIRE UNDERHOOD FUSE BLOCK WHT/BLK WIRE 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 21 GROUND 12 V REDF GROUND LOW REF FUEL PRES REG 5 VOLT REF 986 1694 433 492 TRANSMISSIONS SYSTEM A/C SYSTEM A/C SYSTEM (BLUNT CUT) A/C SYSTEM A/C SYSTEM ANTI-LOCK BRAKES SYSTEM BARO SENS SIG MAF SENS BLK/WHT WIRE BLU WIRE BODY RELAY BLOCK BRN WIRE BRN/WHT WIRE CLUTCH PEDAL POSITION SWITCH (TOP OF PEDAL BRACKET) CRUISE CONTROL SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE ENGINE SPEED SIG SOL CTRL LOW REF EXTERIOR LIGHTS SYSTEM TRANSMISSIONS SYSTEM FUEL LEV SENS SIG FUEL RAIL PRESSURE REGULATOR FUEL TEMPERATURE SENSOR FUSE GLOW RLY CTRL GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES IPC/DIC FUSE HOT IN RUN LEFT I/P FUSE BLOCK BRAKE FUSE HOT IN RUN, START IA HTR DIAG 2 INFO NOT AVAIL INSTRUMENT INSTRUMENT CLUSTER SYSTEM (FUEL LEVEL) LOW REF APP SENS 1 SIG FUEL TEMP SIG LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE MIL CTRL NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK IGN 1 VOLT WIRE PNK PANEL CLUSTER WIRE PNK WIRE PNK/WHT WIRE POWER TAKE OFF RELAY POWER TAKE OFF SWITCH PPL PPL/WHT WIRE RECIRC DOOR CTRL A/C CLU RLY CTRL LIFT/DIVE SIG IND CTRL PTO ENGAGE SIG RED WIRE SEO EXC SEO STARTING/CHARGING SYSTEM STOP LAMP SWITCH (TOP OF BRAKE PEDAL BRACKET) TAN WIRE TRANSMISSION CONTROL MODULE (LEFT FRONT OF ENG COMPT) UNDERHOOD FUSE BLOCK VEHICLE SPEED SENSOR (LEFT SIDE OF TRANS) WAIT TO MIL RPM OUT WHT WIRE YEL WIRE YEL/BLK WIRE

BARO SENSOR (LEFT SIDE OF ENGINE) BLK WIRE BLUNT CUT) BOOST SENSOR (RIGHT SIDE OF ENGINE) BRN WIRE BRN/WHT WIRE CRUISE CONTROL SYSTEM CRUISE FUSE DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE FOG LP FUSE FUEL PRESSURE SENSOR (TOP LEFT SIDE OF ENGINE) FUSE GRY WIRE GRY/BLK WIRE HOT IN RUN HOT IN RUN, START IND LOGIC INTAKE AIR TEMPERATURE (IAT)/ MASS AIRFLOW (MAF) SENSOR (IN AIR INDUCTION TUBE) LEFT I/P FUSE BLOCK LT BLU WIRE LT GRN WIRE OFF ON ORG/ WIRE ORG/BLK WIRE PNK WIRE POWER TAKE OFF RELAY (UNDERHOOD FUSE BLOCK BRACKET) POWER TAKE OFF SWITCH PPL RED WIRE SET- TAN WIRE TRANSMISSION CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) UNDERHOOD FUSE BLOCK WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 GROUND 12 V REF GROUND LOW REF FUEL PRES REG 5 VOLT REF A/C SYSTEM A/C SYSTEM (BLUNT CUT) A/C SYSTEM A/C SYSTEM ANTI-LOCK BRAKES SYSTEM BARO SENS SIG MAF SENS SIG BLK/WHT WIRE BODY RELAY BLOCK BRN WIRE BRN/WHT WIRE CLUTCH PEDAL POSITION SWITCH (TOP OF PEDAL BRACKET) CRUISE CONTROL SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) ENGINE SPEED SIG SOL CTRL LOW REF EXC SEO EXTERIOR LIGHTS SYSTEM TRANSMISSIONS SYSTEM FUEL LEV SENS SIG FUEL RAIL PRESSURE REGULATOR (ON FUEL RAIL) FUEL TEMPERATURE SENSOR FUSE GLOW RLY CTRL GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN RUN LEFT I/P FUSE BLOCK BRAKE FUSE HOT IN RUN, START IA HTR DIAG 2 IND CTRL PTO ENGAGE SIG PPL INSTRUMENT CLUSTER SYSTEM INSTRUMENT CLUSTER SYSTEM (FUEL LEVEL) INSTRUMENT PANEL CLUSTER IPC/DIC FUSE LOW REF APP SENS 1 SIG FUEL TEMP SIG LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE MIL CTRL ORG/ WIRE ORG/BLK WIRE PNK IGN 1 VOLT WIRE PNK WIRE PPL PPL/WHT WIRE RECIRC DOOR CTRL A/C CLU RLY CTRL RED WIRE SEO STARTING/CHARGING SYSTEM STOP LAMP SWITCH (TOP OF BRAKE PEDAL BRACKET) TAN WIRE TRANSMISSIONS SYSTEM UNDERHOOD FUSE BLOCK VEHICLE SPEED SENSOR (LEFT SIDE OF TRANS) WAIT TO MIL RPM OUT WHT WIRE YEL WIRE YEL/BLK WIRE