Chevrolet Silverado 1500 (2000-2012) brn Wiring diagrams

14 13 15 LOW REF STP CP SW SIG 5 VOLT REF 2501 2500 COMPUTER DATA LINES SYSTEM ACCELERATOR PEDAL POSITION (APP) SENSOR (ABOVE ACCELERATOR PEDAL) APP SEN 1 SIG LOW REF APP SEN 2 SIG LOW REF PPL BATT + BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) BRAKE PEDAL POSITION (BPP) SENSOR BRN WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL IND DIMMING SIG CRUISE CONTROL SWITCH SIGNAL CRUISE IND CRUISE SWITCH DIM FUSE 7 DK BLU WIRE DK GRN WIRE ECM BATT FUSE 12 ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD) GMLAN DATA BUS- GRN/WHT WIRE GROUND GROUND DISTRIBUTION SYSTEM GRY WIRE HI SPD GMLAN SER DATA BUS- HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE OF DASH, INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL (BEHIND STEERING WHEEL) INSTRUMENT PANEL CLUSTER (IPC) IPC FUSE 46 LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LEFT STEERING WHEEL CONTROL SWITCH ASSEMBLY LOGIC LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE PNK WIRE PNK/BLK WIRE POWER DISTRIBUTION SYSTEM PPL PPL/WHT WIRE RED/WHT WIRE RES+ SER DATA SET- SOUND SYSTEMS TAN WIRE TAN/BLK WIRE TP SENS 1 SIG LOW REF TP SENS 2 SIG TAC MOTOR CTRL 2 TAC MOTOR CTRL 1 TRANSMISSION CONTROL MODULE (TCM) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VEHICLE SPEED SENSOR (VSS) (ON TRANSFER CASE TAILSHAFT HOUSING) VSS HI SIG VSS LO SIG W/ ACTIVE 2 SPEED PUSH BUTTON CONTROL TRANSFER CASE W/O ACTIVE 2 SPEED PUSH BUTTON CONTROL TRANSFER CASE WHT WIRE WHT/BLK WIRE YEL WIRE

10 11 DATA BUS + DATA BUS - 14 13 15 LOW REF STP LP SW SIG 5 VOLT REF 20 33 47 36 35 49 37 BATT + 66 67 VSS HI SIG VSS LO SIG ACCELERATOR PEDAL POSITION (APP) SENSOR (ABOVE ACCELERATOR PEDAL) APP SEN 1 SIG LOW REF APP SEN 2 SIG LOW REF PPL AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION OUTPUT SHAFT SPEED (OSS) SENSOR BATT + BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) BRAKE PEDAL POSITION (BPP) SENSOR BRN WIRE COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY CRUISE CONTROL IND DIMMING SIG CRUISE CONTROL SWITCH SIGNAL CRUISE IND CRUISE SWITCH DIM FUSE 7 DK BLU WIRE DK GRN WIRE ECM BATT FUSE 12 ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT) GRN/WHT WIRE GROUND GROUND DISTRIBUTION SYSTEM GRY WIRE HI SPD GMLAN SER DATA BUS- HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE OF DASH, INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL (BEHIND STEERING WHEEL) INSTRUMENT PANEL CLUSTER (IPC) IPC FUSE 46 LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LEFT STEERING WHEEL CONTROL SWITCH ASSEMBLY LOGIC LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE ORG/WHT WIRE OUT SPD SENS (OSS) SIG OUT SPD SENS (OSS) SIG PNK TRANSMISSIONS SYSTEM WIRE PNK WIRE PNK/BLK WIRE POWER DISTRIBUTION SYSTEM PPL PPL/WHT WIRE RED/WHT WIRE RES+ SER DATA SER DATA BUS - SET- SOUND SYSTEMS TAN WIRE TAN/BLK WIRE TP SENS 1 SIG LOW REF TP SENS 2 SIG TAC MOTOR CTRL 2 TAC MOTOR CTRL 1 TRANSMISSION CONTROL MODULE (TCM) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WHT/BLK WIRE YEL WIRE

10 11 13 14 DATA BUS + DATA BUS - DATA BUS - DATA BUS + 14 13 15 LOW REF STP CP SW SIG 5 VOLT REF 42 26 54 22 58 38 LOW REF BRK APPLY SENS SPLY SUPPLY VOLT 6.0L APP SEN 1 SIG LOW REF APP SEN 2 SIG LOW REF VSS LO SIG VSS HI SIG PPL AUTOMATIC TRANSMISSION BATT + BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) BRAKE PEDAL POSITION (BPP) SENSOR BRN WIRE COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY CRUISE CONTROL IND DIMMING SIG CRUISE CONTROL SWITCH SIGNAL CRUISE IND CRUISE SWITCH DIM FUSE 7 DK BLU WIRE DK GRN WIRE ECM BATT FUSE 12 ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD) EXCEPT 6.0L GRN WIRE GRN/WHT WIRE GROUND GROUND DISTRIBUTION SYSTEM GRY WIRE HI SPD GMLAN SER DATA BUS- HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE OF DASH, INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL (BEHIND STEERING WHEEL) INPUT SHAFT SPEED SENSOR (ISS) INPUT SPEED SENSOR (ISS) SIGNAL INSTRUMENT PANEL CLUSTER (IPC) IPC FUSE 46 ISS/OSS SUPPLY VOLTAGE LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LEFT STEERING WHEEL CONTROL SWITCH ASSEMBLY LOGIC LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE OUTPUT SHAFT SPEED SENSOR (OSS) OUTPUT SPEED SENSOR (OSS) SIGNAL PNK PNK WIRE PNK TRANSMISSIONS SYSTEM COLUMN HARNESS) WIRE PNK WIRE PNK/BLK WIRE POWER DISTRIBUTION SYSTEM PPL PPL/WHT WIRE RED WIRE RED/WHT WIRE RES+ SER DATA SET- SOUND SYSTEMS TAN WIRE TAN/BLK WIRE TP SENS 1 SIG LOW REF TP SENS 2 SIG TAC MOTOR CTRL 2 TAC MOTOR CTRL 1 TRANSMISSION CONTROL MODULE (TCM) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) W/ 2 SPEED MANUAL TRANSFER CASE WHT WIRE WHT/BLK WIRE YEL WIRE

1 3 2 6 12-VOLT REF LO SERIAL DATA HI SERIAL DATA GROUND 12 13 12-VOLT REF BRAKE SW SIG PARK BRAKE SW SIG PPL 12-VOLT REF ANGLE SENSOR PHASE B CAN BUS LOW SERIAL DATA 12-VOLT REF LF WHEEL SPD SENS SIG 16 17 COMPUTER DATA BUS + DATA BUS - DATA LINES SYSTEM 2501 2501 COMPUTER DATA LINES SYSTEM 5-VOLT REF VEHICLE SPEED SIGNAL CAN BUS HIGH SERIAL DATA ABS INDICATOR ABS-1 FUSE 61 (GAS) FUSE 56 (DIESEL) BLK WIRE BLK/ WHT 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 BRN WIRE COMPUTER DATA LINES SYSTEM DIESEL 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 I/P MULTI-FUNCTION SWITCH INSTRUMENT PANEL CLUSTER (IPC) IPC FUSE 43 (DIESEL) FUSE 46 (GAS) 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) LOGIC LOW REF 12-VOLT REF LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE LUXURY NCA WIRE ORG/BLK WIRE ORG/WHT WIRE PARK BRAKE SWITCH (ON PARK BRAKE PEDAL ASSEMBLY) PEDAL ASSEMBLY) POWER DISTRIBUTION SYSTEM PPL PPL PPL RED WIRE RED/BLK WIRE RED/WHT WIRE RIGHT FRONT WHEEL SPEED SENSOR (WSS) (ON RIGHT FRONT STEERING KNUCKLE) RIGHT REAR WHEEL SPEED SENSOR (WSS) (ON RIGHT REAR BRAKE BACKING PLATE) SERIAL DATA SERIAL DATA BATTERY POSITIVE VOLTAGE SERIAL DATA BUS (+) SERIAL DATA BUS (+) BATTERY POSITIVE VOLTAGE SERIAL DATA BUS- SERIAL DATA BUS- GROUND SIG STEERING ANGLE SENSOR (ON STEERING COLUMN) STOP LAMP SWITCH (TOP OF BRAKE TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRACTION CONTROL SWITCH TRACTION CTRL SW SIG VEHICLE SPD SIG RADIO WHT WIRE YAW RATE, LATERAL ACCELERATION SENSOR (UNDER CENTER CONSOLE TRIM PANEL) YEL WIRE YEL/BLK WIRE

1 2 3 4 5 6 SENS CTRL PTLAN + PTLAN - PTLAN + PTLAN - GROUND 12-VOLT REF LF SIG WHEEL SPD SENS GROUND 5-VOLT REF 16 17 2500 2501 COMPUTER DATA LINES SYSTEM DATA BUS + DATA BUS - 6 16 CRUISE/ETC/ TCC BRK SIG PARK BRK SW ABS INDICATOR ABS-1 FUSE 61 BLK WIRE BLK/ GRY WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) BRAKE FLUID LEVEL SWITCH (ON BRAKE MASTER CYLINDER RESERVOIR) BRAKE MASTER CYLINDER PISTON POSITION SENSOR (BOTTOM OF BRAKE MASTER CYLINDER) BRAKE PRESSURE MODULATOR VALVE BRAKE WARNING INDICATOR BRK APPLIED SIG SERIAL DATA COMMUNICATION GROUND IGN VOLT BRN WIRE COMPUTER DATA LINES SYSTEM DATA SERIAL DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ECM MISC IGN IGN FUSE 43 FUSE ELECTRONIC BRAKE CONTROL MODULE (EBCM) (ON LEFT SIDE OF FRAME ASSEMBLY) EXCEPT LUXURY EXTERIOR LIGHTS SYSTEM PNK PNK PPL PNK PPL WIRE GRY BLK/ WIRE GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HEAVY DUTY ABS FUSE 59 HOT AT ALL TIMES HOT AT ALL TIMES UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) HOT W/ RUN/CRNK RELAY ENERGIZED I/P MULTI-FUNCTION SWITCH INSTRUMENT PANEL CLUSTER (IPC) INTERIOR LIGHTS SYSTEM TRACTION CONTROL SWITCH IPC FUSE LEFT FRONT WHEEL SPEED SENSOR (WSS) (ON LEFT FRONT STEERING KNUCKLE) LEFT I/P J/B (LOWER LEFT SIDE OF DASH) LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LEFT REAR WHEEL SPEED SENSOR (WSS) (ON LEFT REAR BRAKE BACKING PLATE) LOGIC LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LUXURY NCA WIRE ORG/ WIRE ORG/BLK WIRE ORG/WHT WIRE PARK BRAKE SWITCH (ON PARK BRAKE PEDAL ASSEMBLY) PNK AIR CONDITIONING SYSTEM WIRE PNK POWER DISTRIBUTION SYSTEM WIRE PNK WIRE POWER DISTRI- BUTION SYSTEM PPL RADIO RED WIRE RED/BLK WIRE RED/WHT WIRE RIGHT FRONT WHEEL SPEED SENSOR (WSS) (ON RIGHT FRONT STEERING KNUCKLE) SIG STEERING ANGLE SENSOR (ON STEERING COLUMN) STOP LAMP SWITCH (TOP OF BRAKE PEDAL ASSEMBLY) TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRACTION CTRL SW SIG 12 13 812 7062 12-VOLT REF PPL BRAKE SW SIG VEHICLE SPD SIG WHT RED/ WIRE YAW RATE, LATERAL ACCELERATION SENSOR (UNDER CENTER CONSOLE TRIM PANEL) YEL WIRE YEL/BLK WIRE

2-3 SHIFT SOL ACC WAKE UP DATA BLK/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN/WHT WIRE FUSE 19 GRY WIRE GRY/WHT WIRE HI SPD GMLAN DATA (-) HI SPD GMLAN DATA (+) HOT AT ALL TIMES HOT W/ RUN/CRANK RELAY ENERGIZED LEFT I/P JUNCTION BLOCK LOW REF TR SW B SIG 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/BLK 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 TCC SOL VALVE CTRL TCM- BATT FUSE 14 TFT SENS SIG TR SW A SIG LOW REF IGN 1 VOLT BATTERY TR SW C SIG 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 2 SPEED TRANSFER CASE WHT WIRE YEL WIRE YEL/BLK WIRE

1-2 SHIFT SOLENOID (SS) VALVE 2-3 SHIFT SOLENOID (SS) VALVE 4.3L AUTOMATIC TRANSMISSION 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 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 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 YEL WIRE YEL/BLK WIRE

A/T MANUAL SHIFT SWITCH AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION FLUID PRESSURE (TFP) MANUAL VALVE POSITION SWITCH AUTOMATIC TRANSMISSION INTERNAL MODE SWITCH (IMS) AUTOMATIC TRANSMISSION SHIFT LEVER BLK WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM FROM AUTOMATIC TRANSMISSION (DIAGRAM 1 OF 2) FTP SWITCH 1 VOLTAGE FTP SWITCH 3 VOLTAGE FTP SWITCH 4 VOLTAGE FTP SWITCH 5 VOLTAGE GMLAN GMLAN SERIAL SERIAL DATA DATA BUS - BUS + GMLAN SERIAL DATA BUS + GRN WIRE GRY WIRE ISS/OSS SUPPLY VOLTAGE NCA WIRE ORG/WHT WIRE OUTPUT SHAFT SPEED SENSOR (OSS) OUTPUT SPEED SENSOR (OSS) SIGNAL PNK WIRE PPL PPL/WHT WIRE RED WIRE TAN WIRE TAN/BLK WIRE TAP UP/ TAP DOWN SW SIG TRANSMISSION CONTROL MODULE (TCM) CONTROL SOLENOID VALVE ASSEMBLY TRANSMISSION RANGE SWITCH SIG A TRANSMISSION RANGE SWITCH SIG B TRANSMISSION RANGE SWITCH SIG C TRANSMISSION RANGE SWITCH SIG P WHT WIRE YEL WIRE

6399 (OR 821) 822 451 A/C CL CTRL A/C PRESS SIG LO REF AIR CONDITIONING SYSTEM AIR CONDITIONING SYSTEM 459 3223 3122 ANTI-LOCK BRAKES SYSTEM COOLING FANS SYSTEM AXL SW SIG BANK 1 SENSOR 2 (DOWNSTREAM OF LEFT CATALYTIC CONVERTER) BANK 2 SENSOR 2 (DOWNSTREAM OF RIGHT CATALYTIC CONVERTER) BLK/WHT WIRE BRAKE PEDAL POSITION SENSOR BRK APLY VOLT SENR BRK SW SIG BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD) EVAPORATIVE EMISSION (EVAP) CANISTER VENT SOLENOID VALVE (UNDER REAR OF VEHICLE) FRONT FUEL PUMP, SENDER ASSEMBLY (IN FRONT FUEL TANK) FUEL CTRL FUEL TANK PRESSURE (FTP) SENSOR (ON FUEL PUMP, SENDER ASSEMBLY) GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HEATED OXYGEN IAT SIG LO REF LO REF LO REF LOW REF LT BLU WIRE LT BLU/WHT WIRE LT GRN/BLK WIRE MAF SIG LOW REF MIL CTRL PPL NCA WIRE ORG/BLK WIRE ORG/WHT WIRE PNK WIRE PNK/BLK WIRE PPL PPL FUEL LVL-PRI CFAN HI CTRL ACC SER DATA PPL LO REF FTP SIG PPL/WHT WIRE RED/WHT WIRE SNSR SIG SNSR SIG GMLAN (-) GMLAN (+) STARTING/ CHARGING SYSTEM STRT RLY CTRL TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TOS SIG OR VSS HI SIG VSS LO SIG GND 71 72 73 TRANSMISSIONS SYSTEM VOL SNSR VSS CFAN LO CTRL PWTN RLY CTRL W/ TWO SPEED TRANSFER CASE W/O TWO SPEED TRANSFER CASE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

BLK WIRE BLUNT CUT) BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ECM-IGN FUSE 56 FSCM FUSE 21 FSCM SHIELD FUEL CTRL FUEL LINE PRESSURE SENSOR FUEL PRESS FUEL PUMP/ TRAILER BRAKE CONTROL MODULE (W/ INTEGRATED GMLAN GRY WIRE HOT AT ALL TIMES HOT W/ RUN/CRNK RELAY ENERGIZED LO REF LT BLU WIRE MISC-IGN FUSE 43 NCA WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE POWER DISTRIBUTION SYSTEM PPL PUMP RED/WHT WIRE SER DATA EN TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) W/ INTEGRATED TRAILER BRAKE CONTROL W/O INTEGRATED TRAILER BRAKE CONTROL WHT WIRE WHT/BLK WIRE YEL WIRE