Chevrolet Silverado 1500 HD (2001-2006) ppl ppl Wiring diagrams

1-2 SHIFT SOLENOID 2-3 SHIFT SOLENOID 41 46 54 57 58 59 63 72 74 75 LO REF A/T FLUID PRESSURE MANUAL VALVE POSITION SWITCH AUTOMATIC TRANSMISSION BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH, BELOW STEERING COLUMN) BODY RELAY BLOCK (UNDER LEFT END OF DASH) BRAKE FUSE BRN WIRE BRN/WHT WIRE DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ECMB FUSE EXCEPT LIGHT DUTY FLUID TEMP SENSOR FUSE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN HOT IN RUN, BULB TEST, START HOT IN RUN, START INSTRUMENT CLUSTER INSTRUMENT PANEL CLUSTER (IPC) LEFT I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) LIGHT DUTY LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MALFUNCTION INDICATOR LAMP ORG/ WIRE PARK/NEUTRAL POSITION SWITCH (LEFT SIDE OF TRANSMISSION) PNK PNK WIRE PNK WIRE POWERTRAIN CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) PPL PPL ABS SYSTEM PPL DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) PPL PPL PPL/WHT WIRE PRESS CTRL SOLENOID RED WIRE RED/BLK WIRE REV, LO RUN WIRE SENS GND B+ CLS 2 DATA CLS 2 DATA SENS GND PRND B ECT SIG IGN SPLICE PACK STOPLIGHT SWITCH (TOP OF BRAKE PEDAL BRACKET) TCC PWM SOLENOID TRANSFER CASE) (ON TRANSMISSION) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT, NEAR BATTERY) VSS ADAPTER W/ TRACTION ASSIST W/O TRACTION ASSIST WHT WIRE YEL WIRE YEL/BLK WIRE

13 14 15 PPL 17 18 19 PPL 3-2 SS SENS GND B+ CLS 2 DATA CLS 2 DATA SENS RTN REF LOW BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BELOW STEERING COLUMN) BRN WIRE BRN/WHT WIRE CKP COOLANT LEV DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ECMB FUSE FUSE FUSE GND SENS GND EGR INPUT GND SENS GND PPL GRY WIRE HOT AT ALL TIMES HOT IN RUN, START IGN 0 FUSE INJA FUSE FUSE INJB FUSE INJECTORS KNOCK SENS LEFT I/P FUSE BLOCK LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE OIL LEV ORG/ WIRE ORG/BLK WIRE PNK 1 2 3 4 5 WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE POWERTRAIN CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) PPL PPL PPL PPL/WHT WIRE PRND A BRK SW PRND P CLUTCH SW PPL PRND B CMP ECT SIG IGN RANGE B RANGE C IGN B+ REF LOW RED WIRE SENS GND TAN WIRE TAN/WHT WIRE UNDER- HOOD JUNCTION BLOCK WHT WIRE YEL WIRE YEL/BLK WIRE

13 14 15 PPL 17 18 19 PPL 2 3 4 PPL AIR MAXI FUSE BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE DK BLU WIRE DK GRN/WHT WIRE ECM-B FUSE ENGINE COOLANT LEVEL SWITCH (IN COOLANT RESERVOIR) ENGINE COOLANT TEMPERATURE SENSOR (LEFT FRONT OF CYLINDER HEAD) ENGINE OIL LEVEL SWITCH (RIGHT SIDE OF OIL PAN) FUEL PUMP RELAY FUEL PUMP/ LEVEL SENSOR (IN FUEL TANK) GRY WIRE HEATED OXYGEN SENSOR (BANK 1 SENSOR 1) (LEFT EXH PIPE, BEFORE CONVERTER) HEATED OXYGEN SENSOR (BANK 2 SENSOR 2) (RIGHT EXH PIPE, AFTER CONVERTER) HOT AT ALL TIMES HOT IN RUN, START IGN E FUSE KNOCK SENSOR (REAR OF ENGINE BLOCK) LT GRN WIRE NCA WIRE ORG/BLK WIRE PARK/NEUTRAL POSITION SWITCH (LEFT SIDE OF TRANSMISSION) PNK 1 2 3 4 5 WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE PPL PPL 5 6 PPL PPL PPL/WHT WIRE RED WIRE SECONDARY AIR INJECTION REACTION PUMP (RIGHT REAR OF ENGINE COMPT) SECONDARY AIR INJECTION REACTION RELAY (RIGHT REAR OF ENGINE COMPARTMENT) SECONDARY AIR INJECTION REACTION SOLENOID (RIGHT REAR OF ENGINE COMPT) TAN WIRE TAN/WHT WIRE THROTTLE POSITION SENSOR (ON THROTTLE BODY ASSY) UNDER- HOOD JUNCTION BLOCK WHT WIRE WHT/ BLK WIRE YEL WIRE

13 14 15 PPL 17 18 19 PPL 3-2 SS SENS GND B+ CLS 2 DATA CLS 2 DATA SENS RTN REF LOW BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BELOW STEERING COLUMN) BRN WIRE BRN/WHT WIRE CKP COOLANT LEV DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ECMB FUSE FUSE FUSE GND SENS GND EGR INPUT GND SENS GND PPL GRY WIRE HOT AT ALL TIMES HOT IN RUN, START INJA FUSE FUSE INJB FUSE INJECTORS KNOCK SENS LEFT I/P FUSE BLOCK IGN 0 FUSE LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE OIL LEV ORG/ WIRE ORG/BLK WIRE PNK 1 2 3 4 5 WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE POWERTRAIN CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) PPL PPL PPL PPL/WHT WIRE PRND A BRK SW PRND P CLUTCH SW PPL PRND B CMP ECT SIG IGN RANGE B RANGE C IGN B+ REF LOW RED WIRE SENS GND TAN WIRE UNDER- HOOD JUNCTION BLOCK WHT WIRE YEL WIRE YEL/BLK WIRE

13 14 15 PPL 17 18 19 PPL 2 3 4 PPL AIR MAXI FUSE BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE DK BLU WIRE DK GRN/WHT WIRE ECM-B FUSE ENGINE COOLANT LEVEL SWITCH (IN COOLANT RESERVOIR) ENGINE COOLANT TEMPERATURE SENSOR (LEFT FRONT OF CYLINDER HEAD) ENGINE OIL LEVEL SWITCH (RIGHT SIDE OF OIL PAN) FUEL PUMP RELAY FUEL PUMP/ LEVEL SENSOR (IN FUEL TANK) GRY WIRE HEATED OXYGEN SENSOR (BANK 2 SENSOR 2) (RIGHT EXH PIPE, AFTER CONVERTER) HOT AT ALL TIMES HOT IN RUN, START IGN E FUSE KNOCK SENSOR (REAR OF ENGINE BLOCK) LT GRN WIRE NCA WIRE ORG/BLK WIRE PARK/NEUTRAL POSITION SWITCH (LEFT SIDE OF TRANSMISSION) PNK 1 2 3 4 5 WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE PPL PPL 5 6 PPL PPL PPL/WHT WIRE RED WIRE SECONDARY AIR INJECTION REACTION PUMP (RIGHT REAR OF ENGINE COMPT) SECONDARY AIR INJECTION REACTION RELAY (RIGHT REAR OF ENGINE COMPARTMENT) SECONDARY AIR INJECTION REACTION SOLENOID (RIGHT REAR OF ENGINE COMPT) TAN WIRE THROTTLE POSITION SENSOR (ON THROTTLE BODY ASSY) UNDER- HOOD JUNCTION BLOCK WHT WIRE WHT/ BLK WIRE YEL WIRE

1 2 3 4 5 6 PNK WIRE 3-2 SS SENS RTN ANTI-LOCK BRAKE SYSTEM BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BELOW STEERING COLUMN) THEFT DETERRENT CONTROL MODULE BRN WIRE BRN/RED WIRE COOLANT LEV DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ECMB FUSE ELECTRONIC SUSPENSION SYSTEM FUSE FUSE GND GND GRY WIRE HOT AT ALL TIMES HOT IN RUN, START INJA FUSE FUSE INJB FUSE INJECTORS KS SIGNAL KS SIGNAL CKP REQ TORQUE SERIAL DATA SERIAL DATA LEFT I/P FUSE BLOCK IGN 0 FUSE LIFT/DIVE SIG LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE OIL LEV ORG/ WIRE ORG/BLK WIRE PNK PNK WIRE PNK PPL 7 8 WIRE PNK WIRE PNK/BLK WIRE PNK/WHT WIRE POWERTRAIN CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) PPL PPL PPL PPL SENS GND PPL/WHT WIRE PRND A BRK SW PRND P PPL PRND B CMP ECT SIG IGN RANGE B RANGE C IGN B+ REF LOW RED WIRE RED/BLK WIRE SENS GND TAN WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK W/ REMOTE FUNCTION ACTUATOR W/O REMOTE FUNCTION ACTUATOR WHT WIRE YEL WIRE YEL/BLK WIRE

1 2 3 4 5 6 PNK WIRE 2 3 4 PPL BLK WIRE BLK/WHT WIRE BRN WIRE BRN/RED WIRE COOLANT LEVEL SWITCH (IN COOLANT RESERVOIR) DK BLU WIRE DK BLU/WHT WIRE DK GRN/WHT WIRE ECM-B FUSE ENGINE COOLANT TEMPERATURE SENSOR (LEFT FRONT OF CYLINDER HEAD) ENGINE OIL LEVEL SWITCH (RIGHT SIDE OF OIL PAN) FUEL PUMP RELAY FUEL PUMP, SENDER (IN FUEL TANK) GRY WIRE HEATED OXYGEN SENSOR (BANK 1 SENSOR 1) (LEFT EXH PIPE, BEFORE CONVERTER) HEATED OXYGEN SENSOR (BANK 2 SENSOR 2) (RIGHT EXH PIPE, AFTER CONVERTER) HOT AT ALL TIMES KNOCK SENSOR (UNDER INTAKE MANIFOLD) LT BLU WIRE LT GRN WIRE NCA WIRE ORG/BLK WIRE PARK/NEUTRAL POSITION SWITCH (LEFT SIDE OF TRANSMISSION) PNK PNK WIRE PNK PPL 7 8 WIRE PNK WIRE PNK/BLK WIRE PPL PPL PNK PNK 15 16 17 WIRE PPL PPL PPL/WHT WIRE RED WIRE TAN WIRE TAN/WHT WIRE UNDER- HOOD FUSE BLOCK WHT WIRE WHT/ BLK WIRE YEL WIRE

3-2 SS SENS RTN ANTI-LOCK BRAKE SYSTEM BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BELOW STEERING COLUMN) THEFT DETERRENT CONTROL MODULE BRN WIRE BRN/RED WIRE COOLANT LEV DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ECMB FUSE ELECTRONIC SUSPENSION SYSTEM FUSE FUSE GND SENS GND GRY WIRE HOT AT ALL TIMES HOT IN RUN, START INJA FUSE FUSE INJB FUSE INJECTORS KS SIGNAL KS SIGNAL CKP REQ TORQUE SERIAL DATA SERIAL DATA LEFT I/P FUSE BLOCK IGN 0 FUSE LIFT/DIVE SIG LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE OIL LEV ORG/ WIRE ORG/BLK WIRE PNK 1 2 3 4 5 WIRE PNK PNK WIRE PNK PPL 6 7 WIRE PNK WIRE PNK/BLK WIRE PNK/WHT WIRE POWERTRAIN CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) PPL PPL PPL PPL SENS GND PPL/WHT WIRE PRND A BRK SW PRND P PPL PRND B CMP ECT SIG IGN RANGE B RANGE C IGN B+ REF LOW RED WIRE RED/BLK WIRE TAN WIRE UNDER- HOOD FUSE BLOCK W/ REMOTE FUNCTION ACTUATOR W/O REMOTE FUNCTION ACTUATOR WHT WIRE YEL WIRE YEL/BLK WIRE

3-2 SS CTRL REF LOW A/C SYSTEM ANTI-LOCK BRAKES SYS 470 451 1671 1667 451 1669 1664 1478 ANTI-LOCK BRAKES SYS 771 420 776 48 1744 846 1101 625 451 BLK WIRE BLK/ WHT WIRE BLK/WHT WIRE BODY CONTROL MODULE (BELOW STEERING COLUMN) BRN WIRE BRN/WHT WIRE DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ELECTRONIC SUSPENSION SYSTEM FUEL COMP SIG B+ CLS 2 DATA CLS 2 DATA FUSE FUSE FUSE GRY WIRE HOT AT ALL TIMES HOT IN ACCY, RUN, START LEFT I/P FUSE BLOCK IGN 0 FUSE HOT IN RUN, START INJ 7 CTRL INJ 4 CTRL INJECTORS KS SIGNAL KS SIGNAL CKP SIG REQ TORQ SIG SERIAL DATA SERIAL DATA LEV SW SIG 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 PNK WIRE PNK WIRE PNK/BLK WIRE PNK/WHT WIRE 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 WHT WIRE YEL WIRE YEL/BLK WIRE

BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE COOLANT LEVEL SWITCH (IN COOLANT RESERVOIR) DK BLU WIRE DK BLU/WHT WIRE DK GRN/WHT WIRE ENGINE COOLANT TEMPERATURE SENSOR (FRONT OF LEFT CYLINDER HEAD) ENGINE OIL LEVEL SWITCH (RIGHT SIDE OF OIL PAN) FUEL PUMP RELAY FUEL PUMP RELAY (SECONDARY) (DUAL TANKS) (ON UNDERHOOD FUSE BLOCK BRACKET) FUEL PUMP, SENDER ASSEMBLY (PRIMARY) (IN FUEL TANK) FUSE 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 HOT IN RUN, START KNOCK SENSOR (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 PNK WIRE PNK WIRE PNK/BLK WIRE PPL PPL PNK PNK 18 19 WIRE PPL PPL PPL/WHT WIRE RED WIRE RED/WHT WIRE TAN WIRE TAN/WHT WIRE UNDER- HOOD FUSE BLOCK UNDERHOOD FUSE BLOCK WHT WIRE WHT/ BLK WIRE YEL WIRE