Chevrolet Silverado 1500 (2000-2012) org/ Wiring diagrams

3 2 1 4 GND AIR INLET DRIVE MOTOR BATTERY TEMPERATURE SENSOR AIR OUTLET DRIVE MOTOR BATTERY TEMPERATURE SENSOR AUXILIARY FUSE BLOCK (LEFT SIDE OF ENGINE BECM FAN FUSE 2 BLK WIRE BLK/YEL WIRE BLU WIRE COMPT) COOL PUMP COOL PUMP FUSE 6 DK BLU WIRE DK GRN WIRE DK GRN/BLK WIRE DRIVE MOTOR BATTERY TEMPERATURE SENSOR 1 DRIVE MOTOR BATTERY TEMPERATURE SENSOR 2 DRIVE MOTOR BATTERY TEMPERATURE SENSOR 3 DRIVE MOTOR BATTERY TEMPERATURE SENSOR 4 DRIVE MOTOR GENERATOR BATTERY (UNDER SECOND ROW SEATS) DRIVE MOTOR GENERATOR BATTERY CONTROL MODULE ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT) GENERATOR BATTERY VENT FAN GENERATOR BATTERY VENT FAN RELAY GENERATOR CONTROL MODULE TEMPERATURE SENSOR GRN WIRE HOT AT ALL TIMES IN TEMP SENS RTN IN TEMP SENS SIG LEFT GENERATOR CONTROL MODULE COOLANT PUMP LOW REF LOW TEMP COOLING PUMP MTR GND NOT USED NOT USED RLY CTRL ORG/ WIRE OUT TEMP SENS RTN OUT TEMP SENS SIG PNK/DK BLU WIRE RED WIRE RED/WHT WIRE RELAY RIGHT GENERATOR CONTROL MODULE COOLANT PUMP TAN WIRE TEMP SENS RTN 1 TEMP SENS RTN 2 TEMP SENS RTN 3 TEMP SENS RTN 4 TEMP SENS SIG 1 TEMP SENS SIG 2 TEMP SENS SIG 3 TEMP SENS SIG 4 WHT WIRE WHT/GRN WIRE YEL WIRE

4.3L EXCEPT 4.3L 6.6L 6 SPEED A/T ALLISON TRANSMISSION 6 SPEED A/T AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION FLUID PRESSURE (TFP) MANUAL VALVE POSITION SWITCH AUTOMATIC TRANSMISSION INTERNAL MODE SWITCH (IMS) BATTERY BLK WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY DATA BUS - ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD) FUSE HOLDER (RIGHT SIDE OF FIREWALL) HEAD IGN IGNITION SWITCH INTERNAL MODE SWITCH LOCK MEGA FUSE MEGA FUSE (RIGHT REAR OF ENGINE COMPT) ORG/ WIRE ORG/BLK WIRE PARK/ NEUTRAL POSITION (PNP) SWITCH (ON LEFT REAR SIDE OF TRANSMISSION) PNK WIRE POWER DISTRIBUTION SYSTEM POWER POWER SUPPLY DISTRIBUTION SYSTEM POWER SUPPLY PPL RED WIRE RUN WIRE STARTER MOTOR STRT RLY CTRL STRTR FUSE 62 (EXCEPT 6.6L) FUSE 57 (6.6L) TAN WIRE TAN/BLK WIRE TRANSMISSION CONTROL MODULE (TCM) (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) STRTR RELAY WHT WIRE YEL WIRE YEL/BLK WIRE

12 VOLT REF 12-VOLT REF RF WHEEL SPD SENS SIG GROUND ABS INDICATOR ABS-1 FUSE 61 (GAS) FUSE 56 (DIESEL) BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) BRAKE FLUID LEVEL SWITCH (ON BRAKE MASTER CYLINDER RESERVOIR) BRAKE PRESSURE MODULATOR VALVE BRAKE WARNING INDICATOR COMPUTER DATA LINES SYSTEM DATA BUS - DIESEL GAS DK GRN WIRE DK GRN/WHT WIRE ELECTRONIC BRAKE CONTROL MODULE (EBCM) (ON LEFT SIDE OF FRAME ASSEMBLY) ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT) EXCEPT LUXURY GAS GRY WIRE GRY/WHT WIRE HEAVY DUTY ABS FUSE 59 (GAS) FUSE 55 (DIESEL) HOT AT ALL TIMES HOT AT ALL TIMES UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) INSTRUMENT PANEL CLUSTER (IPC) IPC FUSE LEFT FRONT WHEEL SPEED SENSOR (WSS) (ON LEFT FRONT STEERING KNUCKLE) LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LOGIC LT BLU WIRE LT BLU/BLK WIRE LUXURY NCA WIRE NEAR FAN SHROUD) ORG/ WIRE ORG/WHT WIRE PARK BRAKE SW SIG PARK BRAKE SWITCH (ON PARK BRAKE PEDAL ASSEMBLY) POWER DISTRIBUTION SYSTEM PPL PPL BRAKE SW SIG RED WIRE RED/BLK WIRE RED/WHT WIRE RIGHT FRONT WHEEL SPEED SENSOR (WSS) (ON RIGHT FRONT STEERING KNUCKLE) SERIAL DATA SIG TAN WIRE TAN/BLK WIRE VEHICLE SPD SIG VEHICLE SPD SIG RADIO 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 B+ 5-VOLT REF 12-VOLT REF 12-VOLT REF LR SIG WHEEL SPD SENS 16 17 DATA BUS+ DATA BUS- 2 4 3 1 SERIAL DATA 12-VOLT SERIAL DATA LOW REF 21 22 23 24 25 26 27 12-VOLT REF LF WHEEL SPD SENS SIG 2500 2500 COMPUTER DATA LINES SYSTEM 2500 2501 COMPUTER DATA LINES SYSTEM 35 36 37 38 SERIAL DATA 6032 (OR 817) ABS INDICATOR ABS-1 FUSE 61 ABS-2 FUSE 9 BLK WIRE BLK/ WHT WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) BRAKE FLUID LEVEL SWITCH BRAKE PRESSURE MODULATOR VALVE BRAKE WARNING INDICATOR BRN WIRE CAN BUS HIGH SERIAL DATA GROUND COMPUTER DATA LINES SYSTEM DATA SERIAL DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ELECTRONIC BRAKE CONTROL MODULE (EBCM) (ON LEFT SIDE OF FRAME ASSEMBLY) EXCEPT LUXURY GAS GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT AT ALL TIMES UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) I/P MULTI-FUNCTION SWITCH (W/ ACTIVE BRAKE CONTROL) INSTRUMENT PANEL CLUSTER (IPC) IPC FUSE 46 (GAS) FUSE 43 (DIESEL) LEFT FRONT WHEEL SPEED SENSOR (WSS) (ON LEFT FRONT STEERING KNUCKLE) LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LEFT REAR WHEEL SPEED SENSOR (WSS) (ON LEFT REAR BRAKE BACKING PLATE) LF WHEEL SPD SENS SIG LOGIC LOW REF LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE LUXURY NCA WIRE ORG/ WIRE ORG/BLK WIRE ORG/WHT WIRE PARK BRAKE SWITCH (ON PARK BRAKE PEDAL ASSEMBLY) PARK BRK SW POWER DISTRIBUTION SYSTEM PPL RADIO RED WIRE RED/BLK WIRE RED/WHT WIRE RF SIG WHEEL SPD SENS RIGHT FRONT WHEEL SPEED SENSOR (WSS) (ON RIGHT FRONT STEERING KNUCKLE) RIGHT REAR WHEEL SPEED SENSOR (WSS) (ON RIGHT REAR BRAKE BACKING PLATE) SENSOR PHASE A 5-VOLT REF BOOSTER VACUUM SENS SIG SERIES) SIG STEERING ANGLE SENS SIG STEERING ANGLE SENSOR STOP LAMP SWITCH (TOP OF BRAKE PEDAL ASSEMBLY) TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRACTION CONTROL SWITCH TRACTION CTRL SW SIG 12 13 12-VOLT REF PPL BRAKE SW SIG VEH SPD SIGNAL VEHICLE SPD SIG VEHICLE SPD SIG LOW REF GROUND SERIAL DATA BUS- SERIAL DATA BUS- W/ ACTIVE BRAKE CONTROL W/O ACTIVE BRAKE CONTROL WHT WIRE WHT/ BLK WIRE YAW RATE, LATERAL ACCELERATION SENSOR (W/ ACTIVE BRAKE CONTROL) YEL WIRE YEL/BLK WIRE

2-3 SHIFT SOL 3-2 SHIFT SOL 4.3L ACC WAKE UP DATA BLK/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE FUSE 19 GRY WIRE HI SPD GMLAN DATA (-) HI SPD GMLAN DATA (+) HOT AT ALL TIMES HOT W/ RUN/CRANK RELAY ENERGIZED LEFT I/P JUNCTION BLOCK LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MISC-IGN FUSE 43 ORG/ WIRE ORG/BLK WIRE P/N PARK/NEUTRAL POSITION (PNP) SWITCH (ON LEFT REAR SIDE OF TRANSMISSION) PNK PNK PNK PNK WIRE PNK WIRE POWER DISTRIBUTION SYSTEM PPL/WHT WIRE RED/WHT WIRE REPLICATED TOS SIG HI SPD GMLAN DATA (-) HI SPD GMLAN DATA (+) STOP LAMP SWITCH (TOP OF BRAKE PEDAL ASSEMBLY) TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TCM- BATT FUSE 14 TFP SW B SIG LOW REF TR SW B SIG TFT SENS SIG TR SW A SIG LOW REF IGN 1 VOLT BATTERY TFP SW C SIG TR SW C SIG TFP SW A SIG TCC SOL VALVE CTRL PNK WIRE TR SW P SIG PC SOL HI VSS HI SIG BRK SW SIGN TRANSMISSION CONTROL MODULE (TCM) (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VEHICLE SPEED SENSOR (VSS) (ON TRANSMISSION TAILSHAFT HOUSING) VSS LOW PC SOL LOW W/O WHT WIRE YEL WIRE YEL/BLK WIRE

1-2 SHIFT SOLENOID (SS) VALVE 2-3 SHIFT SOLENOID (SS) VALVE 3-2 SHIFT SOLENOID (SS) VALVE 4.3L AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION FLUID PRESSURE (TFP) MANUAL VALVE POSITION SWITCH AUTOMATIC TRANSMISSION FLUID TEMPERATURE (TFT) SENSOR AUTOMATIC TRANSMISSION SHIFT LEVER BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD) EXCEPT 4.3L GRY WIRE HI SPD GMLAN INPUT SPEED SENSOR (ISS) INSTRUMENT PANEL CLUSTER (IPC) LO GM GMLAN LOGIC LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE MIL IND MIL IND. CTRL MIL SIG NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK WIRE PPL PRESSURE CONTROL (PC) SOLENOID VALVE RED WIRE REPLICATED TOS SIGN REV TAN WIRE TAN/BLK WIRE TORQUE CONVERTER CLUTCH (TCC) PULSE WIDTH MODULATION (PWM) SOLENOID VALVE TORQUE CONVERTER CLUTCH (TCC) SOLENOID VALVE TOW/ HAUL IND TOW/ HAUL SWITCH TOW/HAUL SW SIG WHT 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 AIR TMP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 B(+) A/C ON AIR TEMP RF SUNLD AMB AIR TMP GMLAN L AMBIENT AIR TEMPERATURE SENSOR (ON LEFT SIDE OF RADIATOR SUPPORT) AMBIENT LIGHT/SUNLOAD SENSOR ASSEMBLY (TOP CENTER OF DASH) AUTO BATT POS VOLT BLK WIRE BLK/WHT WIRE BREAKOUT) BRN WIRE COLNT LVL GROUND LOW REF COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE ENGINE COOLANT LEVEL SWITCH (6.6L) (ON BOTTOM OF SURGE TANK) EVAPORATOR TEMPERATURE SENSOR (ON HVAC ASSEMBLY) FAN DN FAN UP FRESH AIR FRNT DFG FRT DEF A/C IND FSH AIR GROUND GROUND DISTRIBUTION SYSTEM GROUND IGN 3 REAR DEFOG GRY WIRE GRY/BLK WIRE HVAC CONTROL MODULE INSTRUMENT PANEL CLUSTER (IPC) DRIVER INFORMATION CENTER (DIC) DISPLAY LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LEFT SUNLOAD SENSOR LEFT TEMP CONTROL LF SUNLD L AIR TMP R AIR TMP LOGIC LOW REF LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MODE DN MODE UP MTR SPD CTRL OFF ORG/ WIRE POWER DISTRIBUTION SYSTEM DEFOGGER SYSTEM PPL PPL/WHT WIRE R AIR TMP AIR TMP R AIR TMP TEMP SENS MODE CTRL L AIR TMP RECIR CTRL R AIR TMP REAR DFG RECIR RECIRC RED WIRE RED/WHT WIRE RER DEF RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) RIGHT SUNLOAD SENSOR RIGHT TEMP CONTROL SERIAL DATA TAN WIRE UPPER LEFT AIR TEMPERATURE SENSOR (UNDER UPPER LEFT SIDE OF DASH) UPPER RIGHT AIR TEMPERATURE SENSOR (UNDER UPPER RIGHT SIDE OF DASH) WHT WIRE 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 AIR TMP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 B(+) 5 VOLT REF AMB AIR TMP GMLAN L A/C COMPRESSOR A/C IND A/C ON A/C REFRIGERANT PRESSURE SENSOR ACCM FUSE 3 AMBIENT AIR TEMPERATURE SENSOR (ON LEFT SIDE OF RADIATOR SUPPORT) AMBIENT LIGHT/SUNLOAD SENSOR ASSEMBLY (TOP CENTER OF DASH) AUTO AUXILIARY FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) B+ GND GMLAN SERIAL BLK WIRE BLK/WHT WIRE CAB HTR PUMP FUSE 4 CAB HTR PUMP RELAY COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DRIVE MOTOR GENERATOR POWER INVERTER MODULE (RIGHT REAR OF ENGINE COMPT) FAN DN FAN UP FRESH AIR FRNT DFG FRT DEF FSH AIR GROUND DISTRIBUTION SYSTEM GROUND IGN 3 REAR DEFOG GROUND LOW REF GRY WIRE GRY/BLK WIRE HEATER COOLANT PUMP HOT AT ALL TIMES HVAC CONTROL MODULE LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LEFT SUNLOAD SENSOR LEFT TEMP CONTROL LF SUNLD L AIR TMP R AIR TMP LOGIC LT BLU WIRE LT BLU/BLK WIRE LT GRN/BLK WIRE MODE DN MODE UP OFF ORG/ WIRE PNK COOLING PUMP RLY CTRL WIRE PNK WIRE POWER DISTRIBUTION SYSTEM DEFOGGER SYSTEM PPL REAR DFG RECIR RECIRC RED/WHT WIRE RER DEF RIGHT SUNLOAD SENSOR RIGHT TEMP CONTROL SENS SIG RF SUNLD TAN WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

19 14 LOW REF A/C REFRIG 5 3 GMLAN L 5 VOLT REF A/C COMPRESSOR A/C IND A/C LOW PRESSURE SENSOR A/C ON A/C REFRIGERANT PRESSURE SENSOR (RIGHT REAR OF ENGINE COMPT) ACCM FUSE 3 AUXILIARY FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) B+ GMLAN SERIAL GND BLK/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DRIVE MOTOR GENERATOR POWER INVERTER MODULE (RIGHT REAR OF ENGINE COMPT) ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT) GRY WIRE HOT AT ALL TIMES HVAC CONTROL MODULE LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LOGIC LOW REF SENS SIG GMLAN - GLMAN + ORG/ WIRE ORG/BLK WIRE RED/WHT WIRE TAN WIRE TAN/BLK WIRE

BLK WIRE BRN WIRE BRN/WHT WIRE CKP SIG DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE COMPT NEAR FAN SHROUD) ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF GRY WIRE GRY/BLK WIRE GRY/WHT WIRE IC 1 CTRL IC 2 CTRL IC 3 CTRL IC 4 CTRL IC 5 CTRL IC 6 CTRL IC 7 CTRL IC 8 CTRL IGNITION COILS (UPPER LEFT SIDE OF ENGINE) LO REF LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE ORG/WHT WIRE PNK PNK WIRE PNK PPL WIRE PNK WIRE PNK/BLK WIRE PPL PPL PNK PNK WIRE PPL/WHT WIRE RED WIRE SPARK PLUG TAN WIRE TAN/WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE