Chevrolet Silverado Classic 1500 HD (2007-2007) ppl ppl Wiring diagrams

40 33 (DIESEL) (GAS) ABS FUSE ABS IND. BLK WIRE BLK/WHT WIRE BRAKE FLUID LEVEL SWITCH (ON LEFT SIDE OF BRAKE FLUID RESERVOIR) BRAKE IND BRN WIRE BRN/WHT WIRE CLUTCH START SWITCH (M/T) (TOP OF CLUTCH CLUTCH ASSY) CPP SW SIG DEL TORQUE SIG DK GRN WIRE DK GRN/WHT WIRE ELECTRONIC BRAKE CONTROL MODULE (EBCM) (ON LEFT SIDE OF INNER FRAME) EXCEPT ALLISON ALLISON EXCEPT SEO GRY WIRE HOT AT ALL TIMES HOT IN RUN HOT IN RUN OR START I/P FUSE BLOCK (ON LOWER LEFT SIDE OF DASH) BRAKE FUSE IGN E FUSE IGNITION INSTRUMENT PLANEL CLUSTER LEFT FRONT SENSOR (-) RIGHT FRONT SENSOR (+) BRAKE INPUT LEFT FRONT WHEEL SPEED SENSOR LOGIC LT BLU WIRE LT GRN/BLK WIRE NCA WIRE OF TRANSMISSION) ORG/BLK WIRE PNK WIRE POWERTRAIN OR ENGINE CONTROL MODULE (PCM OR ECM) (ON LEFT FRONT OF ENG COMPT) PPL PPL DATA LINK CONNECTOR (DLC) (BELOW STEERING COLUMN) PPL PPL PPL/WHT WIRE RED WIRE RIGHT FRONT WHEEL SPEED SENSOR SEO SEO IGN FUSE SIDE OF TRANSFER CASE, STOPLAMP SWITCH (ON TOP OF BRAKE PEDAL BRACKET) TAN WIRE TAN/BLK WIRE TCC BRAKE SW TRACTION CONTROL IND (IF EQUIPPED) TRACTION CONTROL SWITCH TRANSFER CASE SHIFT CONTROL MODULE (BEHIND HEADLAMP SWITCH) TRANSMISSION CONTROL MODULE (TCM) (LEFT FRONT OF ENG COMPT) TRANSMISSIONS SYSTEM (ALLISON) TRANSMISSIONS SYSTEM (TRANSFER CASE CIRCUIT) UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPT) VEHICLE SPEED SENSOR (VSS) (NV 4500: LEFT SIDE OF TRANSMISSION, VSS HIGH VSS LOW VSS OUTPUT WHT WIRE YEL WIRE YEL/BLK WIRE

40 33 (DIESEL) (GAS) ABS FUSE ABS IND. BLK WIRE BLK/WHT WIRE BRAKE FLUID LEVEL SWITCH (ON LEFT SIDE OF BRAKE FLUID RESERVOIR) BRAKE IND BRN WIRE BRN/WHT WIRE CLUTCH START SWITCH (M/T) (TOP OF CLUTCH CLUTCH ASSY) CPP SW SIG DEL TORQUE SIG DK GRN WIRE DK GRN/WHT WIRE ELECTRONIC BRAKE CONTROL MODULE (EBCM) (ON LEFT SIDE OF INNER FRAME) EXCEPT ALLISON ALLISON EXCEPT SEO GRY WIRE HOT AT ALL TIMES HOT IN RUN HOT IN RUN OR START I/P FUSE BLOCK (ON LOWER LEFT SIDE OF DASH) BRAKE FUSE IGN E FUSE IGNITION INSTRUMENT PLANEL CLUSTER LEFT FRONT SENSOR (-) RIGHT FRONT SENSOR (+) BRAKE INPUT LEFT FRONT WHEEL SPEED SENSOR LOGIC LT BLU WIRE LT GRN/BLK WIRE NCA WIRE OF TRANSMISSION) ORG/BLK WIRE PNK WIRE POWERTRAIN OR ENGINE CONTROL MODULE (PCM OR ECM) (ON LEFT FRONT OF ENG COMPT) PPL PPL DATA LINK CONNECTOR (DLC) (BELOW STEERING COLUMN) PPL PPL PPL/WHT WIRE RED WIRE RIGHT FRONT WHEEL SPEED SENSOR SEO SEO IGN FUSE SIDE OF TRANSFER CASE, STOPLAMP SWITCH (ON TOP OF BRAKE PEDAL BRACKET) TAN WIRE TAN/BLK WIRE TCC BRAKE SW TRACTION CONTROL IND (IF EQUIPPED) TRACTION CONTROL SWITCH TRANSFER CASE SHIFT CONTROL MODULE (BEHIND HEADLAMP SWITCH) TRANSMISSION CONTROL MODULE (TCM) (LEFT FRONT OF ENG COMPT) TRANSMISSIONS SYSTEM (ALLISON) TRANSMISSIONS SYSTEM (TRANSFER CASE CIRCUIT) UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPT) VEHICLE SPEED SENSOR (VSS) (NV 4500: LEFT SIDE OF TRANSMISSION, VSS HIGH VSS LOW VSS OUTPUT WHT WIRE YEL WIRE YEL/BLK WIRE

12 13 14 PPL 19 20 21 22 23 24 25 PNK PNK WIRE 3-2 SS LOW REF A/C SYSTEM B+ CLS 2 DATA BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BELOW STEERING COLUMN) BRN/WHT WIRE CENTRAL SEQUENTIAL FUEL INJECTION CFAN RLY LO INJ 5 CTRL CKP SIG COOLING FANS SYSTEM DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ENGINE OIL PRESSURE (EOP) SENSOR FUEL INJECTORS FUSE FUSE FUSE GRY WIRE HOT AT ALL TIMES HOT IN ACCY, RUN, START HOT IN RUN, START I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) IGN 0 FUSE INJ 4 CTRL LOW REF LOW REF REF LOW LOW REF SENS GND LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PCMB FUSE PNK 1 2 3 4 5 WIRE PNK 17 18 WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE POWER DISTRIBUTION SYSTEM POWERTRAIN CONTROL MODULE (PCM) (LEFT FRONT OF ENGINE COMPT) PPL PPL PPL PPL/WHT WIRE PRND A BRK SW PRND P CLUTCH SW INJ 1 CTRL INJ 3 CTRL PPL PRND B CMP ECT SIG IGN INJ 2 CTRL INJ 6 CTRL RANGE B RANGE C IGN B+ REF LOW RED WIRE REF LOW GND RLY CTRL GND SENS GND GND SENSOR SIG STARTING SYSTEM TAN WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENG COMPT) WHT WIRE YEL WIRE YEL/BLK WIRE

12 13 14 PPL 19 20 21 22 23 24 25 PNK PNK WIRE 2 3 4 PPL 9 10 11 12 13 14 15 16 17 18 19 PNK PNK WIRE BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE DK BLU WIRE DK GRN/WHT WIRE ENGINE COOLANT TEMPERATURE SENSOR (REAR SIDE OF LEFT CYLINDER HEAD) FUEL PUMP RELAY FUEL PUMP/ SENDER ASSEMBLY (IN FUEL TANK) GRY WIRE HEATED OXYGEN SENSOR (BANK 1 SENSOR 1) (LEFT EXH PIPE, BEFORE CONVERTER) HEATED OXYGEN SENSOR (BANK 1 SENSOR 2) (LEFT EXH PIPE, AFTER CONVERTER) HEATED OXYGEN SENSOR (BANK 2 SENSOR 1) (RIGHT EXH PIPE, BEFORE CONVERTER) HEATED OXYGEN SENSOR (BANK 2 SENSOR 2) (RIGHT EXH PIPE, AFTER CONVERTER) HOT AT ALL TIMES KNOCK SENSOR (LEFT REAR OF ENGINE BLOCK) LT GRN WIRE NCA WIRE ORG/BLK WIRE PARK/NEUTRAL POSITION SWITCH (LEFT SIDE OF TRANS- MISSION) PCM B FUSE PNK 1 2 3 4 5 WIRE PNK 17 18 WIRE PNK 7 8 WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE PPL PPL PNK WIRE PPL PPL PPL/WHT WIRE RED WIRE RED/WHT WIRE TAN WIRE TAN/WHT WIRE THROTTLE POSITION SENSOR (ON THROTTLE BODY ASSY) UNDER- HOOD FUSE BLOCK (LEFT SIDE OF ENG COMPT) WHT WIRE WHT/ BLK WIRE YEL WIRE

3-2 SS CTRL REF LOW A/C SYSTEM ANTI-LOCK BRAKES SYS 470 451 1671 1667 451 1669 1664 ANTI-LOCK BRAKES SYS 771 420 776 48 1744 846 1101 625 451 B+ CLS 2 DATA BLK WIRE BLK/ WHT WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CFAN LO RLY INJ 7 CTRL INJ 4 CTRL COOLING FANS SYSTEM DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ELECTRONIC SUSPENSION SYSTEM FUEL INJECTORS FUSE FUSE FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ACCY, RUN, START HOT IN RUN, START I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) IGN 0 FUSE KS SIGNAL KS SIGNAL CKP SIG REQ TORQ SIG SERIAL DATA SERIAL DATA LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE OIL LEV SW SIG ORG/ WIRE ORG/BLK WIRE PCMB FUSE PNK 1 2 3 4 5 WIRE PNK PNK 25 26 WIRE PNK PNK 6 7 WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE PNK/WHT WIRE POWER DISTRIBUTION SYSTEM POWERTRAIN CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) PPL PPL PPL PPL/WHT WIRE PRND B SIG CMP SIG ECT SIG IGN INJ 5 CTRL INJ 8 CTRL RANGE B RANGE C IGN B+ REF LOW RED WIRE RED/BLK WIRE REF LOW REF LOW (A/T) REF LOW REF LOW GND STARTING/ CHARGING SYSTEM TAN WIRE TAN/WHT WIRE UNDER- HOOD FUSE BLOCK (LEFT SIDE OF ENG COMPT) WHT WIRE YEL WIRE YEL/BLK WIRE

BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE DK BLU WIRE DK BLU/WHT WIRE DK GRN/WHT WIRE ENGINE COOLANT TEMPERATURE SENSOR (FRONT SIDE OF LEFT CYLINDER HEAD) ENGINE OIL LEVEL SWITCH (RIGHT SIDE OF OIL PAN) FUEL PUMP RELAY FUEL PUMP RELAY (SECONDARY) (DUAL TANKS) (IN UNDERHOOD FUSE BLOCK) FUEL PUMP, SENDER ASSEMBLY (PRIMARY) GRY WIRE HOT AT ALL TIMES HOT IN RUN, START KNOCK SENSOR 1 (UNDER INTAKE MANIFOLD) KNOCK SENSOR 2 (UNDER INTAKE MANIFOLD) LT BLU WIRE LT GRN WIRE NCA WIRE ORG/BLK WIRE PARK/NEUTRAL POSITION SWITCH (LEFT SIDE OF TRANSMISSION) PCM B FUSE PNK 1 2 3 4 5 WIRE PNK PNK 25 26 WIRE PNK PNK 6 7 WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE PPL PPL PPL PPL/WHT WIRE RED WIRE RED/WHT WIRE SBA FUSE TAN WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENG COMPT) WHT WIRE WHT/ BLK WIRE YEL WIRE

3-2 SS CTRL REF LOW A/C SYSTEM ANTI-LOCK BRAKES SYS 470 451 1671 1667 451 1669 1664 ANTI-LOCK BRAKES SYS 771 420 776 48 1744 846 1101 625 451 B+ CLS 2 DATA BLK WIRE BLK/ WHT WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CFAN LO RLY INJ 7 CTRL INJ 4 CTRL COOLING FANS SYSTEM DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ELECTRONIC SUSPENSION SYSTEM FUEL INJECTORS FUSE FUSE FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ACCY, RUN, START HOT IN RUN, START I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) IGN 0 FUSE KS SIGNAL KS SIGNAL CKP SIG REQ TORQ SIG SERIAL DATA SERIAL DATA LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE OIL LEV SW SIG ORG/ WIRE ORG/BLK WIRE PCMB FUSE PNK 1 2 3 4 5 WIRE PNK PNK 25 26 WIRE PNK PNK 6 7 WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE PNK/WHT WIRE POWER DISTRIBUTION SYSTEM POWERTRAIN CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) PPL PPL PPL PPL/WHT WIRE PRND B SIG CMP SIG ECT SIG IGN INJ 5 CTRL INJ 8 CTRL RANGE B RANGE C IGN B+ REF LOW RED WIRE RED/BLK WIRE REF LOW REF LOW (A/T) REF LOW REF LOW GND STARTING/ CHARGING SYSTEM TAN WIRE TAN/WHT WIRE UNDER- HOOD FUSE BLOCK (LEFT SIDE OF ENG COMPT) WHT WIRE YEL WIRE YEL/BLK WIRE

BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE DK BLU WIRE DK BLU/WHT WIRE DK GRN/WHT WIRE ENGINE COOLANT TEMPERATURE SENSOR (FRONT SIDE OF LEFT CYLINDER HEAD) ENGINE OIL LEVEL SWITCH (RIGHT SIDE OF OIL PAN) FUEL PUMP RELAY FUEL PUMP RELAY (SECONDARY) (DUAL TANKS) (IN UNDERHOOD FUSE BLOCK) FUEL PUMP, SENDER ASSEMBLY (PRIMARY) GRY WIRE HOT AT ALL TIMES HOT IN RUN, START KNOCK SENSOR 1 (UNDER INTAKE MANIFOLD) KNOCK SENSOR 2 (UNDER INTAKE MANIFOLD) LT BLU WIRE LT GRN WIRE NCA WIRE ORG/BLK WIRE PARK/NEUTRAL POSITION SWITCH (LEFT SIDE OF TRANSMISSION) PCM B FUSE PNK 1 2 3 4 5 WIRE PNK PNK 25 26 WIRE PNK PNK 6 7 WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE PPL PPL PPL PPL/WHT WIRE RED WIRE RED/WHT WIRE SBA FUSE TAN WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENG COMPT) WHT WIRE WHT/ BLK WIRE YEL WIRE

3-2 SS CTRL REF LOW A/C SYSTEM ANTI-LOCK BRAKES SYS 470 451 1671 1667 451 1669 1664 ANTI-LOCK BRAKES SYS 771 420 776 48 1744 846 1101 625 451 B+ CLS 2 DATA BLK WIRE BLK/ WHT WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CFAN LO RLY INJ 7 CTRL INJ 4 CTRL COOLING FANS SYSTEM DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ELECTRONIC SUSPENSION SYSTEM FUEL INJECTORS FUSE FUSE FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ACCY, RUN, START HOT IN RUN, START I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) IGN 0 FUSE KS SIGNAL KS SIGNAL CKP SIG REQ TORQ SIG SERIAL DATA SERIAL DATA LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE OIL LEV SW SIG ORG/ WIRE ORG/BLK WIRE PCMB FUSE PNK 1 2 3 4 5 WIRE PNK PNK 25 26 WIRE PNK PNK 6 7 WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE PNK/WHT WIRE POWER DISTRIBUTION SYSTEM POWERTRAIN CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) PPL PPL PPL PPL/WHT WIRE PRND B SIG CMP SIG ECT SIG IGN INJ 5 CTRL INJ 8 CTRL RANGE B RANGE C IGN B+ REF LOW RED WIRE RED/BLK WIRE REF LOW REF LOW (A/T) REF LOW REF LOW GND STARTING/ CHARGING SYSTEM TAN WIRE TAN/WHT WIRE UNDER- HOOD FUSE BLOCK (LEFT SIDE OF ENG COMPT) WHT WIRE YEL WIRE YEL/BLK WIRE

BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE DK BLU WIRE DK BLU/WHT WIRE DK GRN/WHT WIRE ENGINE COOLANT TEMPERATURE SENSOR (FRONT SIDE OF LEFT CYLINDER HEAD) ENGINE OIL LEVEL SWITCH (RIGHT SIDE OF OIL PAN) FUEL PUMP RELAY FUEL PUMP RELAY (SECONDARY) (DUAL TANKS) (IN UNDERHOOD FUSE BLOCK) FUEL PUMP, SENDER ASSEMBLY (PRIMARY) GRY WIRE HOT AT ALL TIMES HOT IN RUN, START KNOCK SENSOR 1 (UNDER INTAKE MANIFOLD) KNOCK SENSOR 2 (UNDER INTAKE MANIFOLD) LT BLU WIRE LT GRN WIRE NCA WIRE ORG/BLK WIRE PARK/NEUTRAL POSITION SWITCH (LEFT SIDE OF TRANSMISSION) PCM B FUSE PNK 1 2 3 4 5 WIRE PNK PNK 25 26 WIRE PNK PNK 6 7 WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE PPL PPL PPL PPL/WHT WIRE RED WIRE RED/WHT WIRE SBA FUSE TAN WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENG COMPT) WHT WIRE WHT/ BLK WIRE YEL WIRE