Chevrolet Silverado 1500 (2000-2012) power distribution system Wiring diagrams

20 29 21 30 49 15 EXCEPT 4.3 L 4.3L ABS FUSE BLK WIRE BLK/WHT WIRE BODY WIRING HARNESS JUNCTION BLOCK (NEAR LEFT KICK PANEL) BRAKE FLUID LEVEL SW IN BRAKE FLUID LEVEL SWITCH (LEFT SIDE OF BRAKE FLUID RESERVOIR) BRAKE FUSE BRAKE INPUT SERIAL DATA BRAKE PRESSURE MODULATOR VALVE BRN WIRE DATA LINK CONNECTOR (BELOW STEERING COLUMN) DK GRN WIRE DK GRN/WHT WIRE ELECTRONIC BRAKE CONTROL MODULE (LEFT SIDE OF INNER FRAME) ENGINE CONTROL SYSTEM ENGINE WIRING HARNESS JUNCTION BLOCK (LEFT SIDE OF ENGINE COMPT) FRONT AXLE ACTUATOR/ SWITCH (ON AXLE HOUSING) FUSE BLOCK (LOWER LEFT SIDE OF DASH) GROUND MOTOR, SOLENOID PWR GRY WIRE HOT AT ALL TIMES HOT IN RUN HOT IN RUN AND START IGN 1 FUSE IGNITION LEFT FRONT SENSOR (-) RIGHT FRONT SENSOR (+) INSTRUMENT CLUSTER LEFT FRONT WHEEL SPEED SENSOR LOGIC LT BLU WIRE LT GRN/BLK WIRE NCA WIRE PNK WIRE POWER DISTRIBUTION SYSTEM POWERTRAIN CONTROL MODULE OR VEHICLE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) PPL PPL PPL PPL/WHT WIRE PUMP MOTOR RED WIRE RIGHT FRONT WHEEL SPEED SENSOR SPLICE PACK 205 CENTER (NEAR LEFT KICK PANEL) STOPLAMP SWITCH (TOP OF BRAKE PEDAL BRACKET) TAN WIRE VEHICLE SPEED SENSOR (LEFT REAR OF TRANSMISSION) VEHICLE SPEED SENSOR ADAPTER VSS HIGH VSS LOW VSS OUTPUT YEL WIRE YEL/BLK WIRE

AUTOMATIC TRANSMISSION (6.6L) AUTOMATIC TRANSMISSION FLUID PRESSURE (TFP) MANUAL VALVE POSITION SWITCH BCK/UP LAMP PCB RELAY BCK/UP RLY LOW SPEED SERIAL DATA BCK/UP SIG BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) BRN WIRE COMPUTER DATA LINES SYSTEM CONTROL SOLENOID VALVE ASSEMBLY DATA BUS - DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE EXCEPT 6.6L 6.6L GMLAN SERIAL HI SPD GRD GRN WIRE GRY WIRE HIGH SPEED BUS - HIGH SPEED GMLAN SERIAL DATA BUS + INSIDE REARVIEW MIRROR (ISRVM) LEFT BACKUP LAMP LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LT GRN WIRE LT GRN/BLK WIRE MJR NCA WIRE ORG/ WIRE PARK/NEUTRAL POSITION (PNP) SWITCH (ON LEFT REAR SIDE OF TRANSMISSION) PNK WIRE POWER DISTRIBUTION SYSTEM REAR LAMPS JUNCTION BLOCK (INSIDE OF LEFT REAR FRAME RAIL) REARVIEW CAMERA (LEFT OF TAILGATE HANDLE) RED WIRE RED/BLK WIRE RIGHT BACKUP LAMP SW SIG 4 SW SIG A SW SIG B SW SIG C TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRAILER TOW CIRCUIT TRANS RANGE SIG A TRANS RANGE SIG B TRANS RANGE SIG C TRANSMISSION CONTROL MODULE (TCM) TRANSMISSION CONTROL MODULE (TCM) (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD) TRANSMISSION RANGE SWITCH SIGNAL A TRANSMISSION RANGE SWITCH SIGNAL B TRANSMISSION RANGE SWITCH SIGNAL C TRLR BCK/UP FUSE 10 FUSE 9 UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VEH BCK/UP FUSE 15 FUSE 14 W/ COMFORT, DECOR LEVEL 3 CONVENIENCE PACKAGE W/ REARVIEW CAMERA W/ SPO REARVIEW CAMERA WHT WIRE YEL WIRE YEL/BLK WIRE

AMBIENT LIGHT SENSOR (TOP CENTER OF DASH) ANTI-THEFT SYSTEM ANTI-THEFT SYSTEM DOOR LOCKS SYSTEM BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (ON LOWER LEFT SIDE OF DASH, BELOW STEERING COLUMN) BODY RELAY BLOCK (NEAR LEFT KICK PANEL) BODY RELAY BLOCK (UNDER LEFT SIDE OF DASH) BRN WIRE CARGO LP SW INPUT INTERIOR LAMP CTRL FLASH TO PASS SW SIG DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DOOR LATCH SW SIG COURTESY LAMP PWR DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM DRIVER DOOR KEY SW SIG LF DR OPEN SW SIG FRONT FOG LP SW INT LP DEFEAT SW SIG DRL RLY COIL CLASS 2 DATA GROUND IGN 1 EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM FOG LP RLY CTRL EXTERIOR COURTESY LPS RLY CTRL GROUND BATTERY DOOR UNLOCK CTRL DOOR LOCK CTRL GRY WIRE GRY/BLK WIRE HEADLAMP SW INPUT LED DIM SIG VSS HEADLIGHTS SYSTEM COMPUTER DATA LINES SYSTEM HEADLIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM INTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM INTERIOR LIGHTS SYSTEM ENGINE CONTROLS SYSTEM HOT AT ALL TIMES TBC FUSE HOT IN RUN CRUISE FUSE HOT IN RUN, START IGN 1 FUSE IGN 3 PRK BK SW SIG LT SEAT BELT SW TOW/HAUL SW SIG IGNITION KEY ALARM SWITCH INST PANEL LP PWR AMBIENT LIGHT SEN SIG INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM KEY IN IGN SW SIG LEFT I/P FUSE BLOCK LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE LT TURN SIG LAMP PWR RT TURN SIG LAMP PWR NCA WIRE ORG/ WIRE ORG/BLK WIRE PARK BRAKE SWITCH PNK WIRE POWER DISTRIBUTION SYSTEM POWER DISTRIBUTION SYSTEM (RAP) INTERIOR LIGHTS SYSTEM HORNS SYSTEM PPL PPL HIGH BEAM INPUT INTERIOR PARK LP PWR PPL/WHT WIRE RAP RELAY CTRL INADVERTENT PWR RLY CTRL HORN RLY CTRL RED/WHT WIRE SECURITY SYSTEM SEN SIG SERIAL DATA TAN WIRE TOW/HAUL SWITCH UNDERHOOD JUNCTION BLOCK WARNING SYSTEM WHT WIRE YEL WIRE

6.0L 4.3L 6.2L, 5.3L, 4.8L BLK WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) BRN WIRE CHARGE IND SIG CHARGE LOW INDICATOR SPEED GM LAN SERIAL DATA LOGIC COMPUTER DATA LINES SYSTEM CURRENT SPLY DK GRN WIRE DRIVER INFORMATION CENTER (DIC) ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT) GENERATOR B+ GENERATOR SIG GRY WIRE HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER (IPC) IPC FUSE 46 LOW REF MEGA FUSE PNK WIRE POWER DISTRIBUTION SYSTEM POWER SUPPLY RED WIRE RED/WHT WIRE RIGHT BATTERY SENS SIG SERIAL DATA TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) UNDERHOOD FUSE HOLDER (ON POSITIVE BATTERY TERMINAL) VOLT W/ 10 SERIES WHT WIRE

3 2 1 PPL BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (ON LOWER LEFT SIDE OF DASH, BELOW STEERING COLUMN) BRN WIRE BRN/WHT WIRE CIG LTR FUSE DATA LINK CONNECTOR (DLC) (UNDER LEFT SIDE OF DASH, BELOW STEERING COLUMN) DIGITAL RADIO RECEIVER DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DRIVER DOOR MODULE (DDM) (IN LEFT FRONT DOOR) ELECTRONIC BRAKE CONTROL MODULE (EBCM) (ON LEFT SIDE OF INNER FRAME) EXCEPT 6.6L VIN 2 6.6L VIN 2 FRONT PASSENGER DOOR MODULE (FPDM) (IN RIGHT FRONT DOOR) GROUND DISTRIBUTION SYSTEM GRY WIRE HOT AT ALL TIMES HVAC CONTROL MODULE (BEHIND CENTER OF DASH) I/P RELAY BLOCK INFLATABLE RESTRAINT SENSING/DIAGNOSTIC MODULE (UNDER LEFT FRONT SEAT) INSTRUMENT PANEL CLUSTER (IPC) LEFT I/P FUSE BLOCK (UNDER LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE MEMORY SEAT MODULE (UNDERSIDE OF DRIVER SEAT) NEAR KICK PANEL) ORG/ WIRE PNK WIRE POWER DISTRIBUTION SYSTEM RADIO (AT CENTER OF DASH) REAR SEAT AUDIO (RSA) CONTROLLER (UNDER REAR OF CENTER CONSOLE) REAR SEAT ENTERTAINMENT (RSE) ASSEMBLY (AT CENTER OF HEADLINER) REMOTE PLAYBACK DEVICE-CD PLAYER (CENTER OF DASH, BELOW RADIO) RIGHT I/P FUSE BLOCK (UNDER RIGHT SIDE OF DASH) TAN WIRE TRANSFER CASE SHIFT CONTROL MODULE (BEHIND HEADLAMP SWITCH) TRANSMISSION CONTROL MODULE (AT LEFT FRONT OF ENG COMPT) UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPT, NEAR BATTERY) VEHICLE COMMUNICATION INTERFACE MODULE (VCIM) (BEHIND PASSENGER AIR BAG MODULE) WHT WIRE YEL WIRE

3 2 1 PPL AUDIO AMPLIFIER (UNDER REAR OF CENTER CONSOLE) BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (ON LOWER LEFT SIDE OF DASH, BELOW STEERING COLUMN) BRN WIRE BRN/WHT WIRE CIG LTR FUSE DATA LINK CONNECTOR (DLC) (UNDER LEFT SIDE OF DASH, BELOW STEERING COLUMN) DIGITAL RADIO RECEIVER DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DRIVER DOOR MODULE (DDM) (IN LEFT FRONT DOOR) ELECTRONIC BRAKE CONTROL MODULE (EBCM) (ON LEFT SIDE OF INNER FRAME) EXCEPT 6.6L VIN 2 6.6L VIN 2 FRONT PASSENGER DOOR MODULE (FPDM) (IN RIGHT FRONT DOOR) GROUND DISTRIBUTION SYSTEM GRY WIRE HOT AT ALL TIMES HVAC CONTROL MODULE (BEHIND CENTER OF DASH) I/P RELAY BLOCK INFLATABLE RESTRAINT SENSING/DIAGNOSTIC MODULE (UNDER LEFT FRONT SEAT) INSTRUMENT PANEL CLUSTER (IPC) LEFT I/P FUSE BLOCK (UNDER LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE MEMORY SEAT MODULE (UNDERSIDE OF DRIVER SEAT) NEAR KICK PANEL) ORG/ WIRE PNK WIRE POWER DISTRIBUTION SYSTEM RADIO (AT CENTER OF DASH) REAR SEAT AUDIO (RSA) CONTROLLER (UNDER REAR OF CENTER CONSOLE) REAR SEAT ENTERTAINMENT (RSE) ASSEMBLY (AT CENTER OF HEADLINER) RIGHT I/P FUSE BLOCK (UNDER RIGHT SIDE OF DASH) TAN WIRE TRANSFER CASE SHIFT CONTROL MODULE (BEHIND HEADLAMP SWITCH) TRANSMISSION CONTROL MODULE (AT LEFT FRONT OF ENG COMPT) UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPT, NEAR BATTERY) VEHICLE COMMUNICATION INTERFACE MODULE (VCIM) (BEHIND PASSENGER AIR BAG MODULE) WHT WIRE YEL WIRE

1995 VFTC BATTERY BLK WIRE BODY COMPUTER SYSTEM BODY WIRING HARNESS JUNCTION BLOCK (UNDER LEFT SIDE OF DASH) BRN WIRE COMPUTER DATA LINES SYSTEM DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE COMPT, NEAR BATTERY) ENGINE WIRING HARNESS JUNCTION BLOCK (LEFT SIDE OF EVO ACTUATOR (PART OF POWER STEERING PUMP) GRN WIRE GROUND GROUND GRY WIRE HOT AT ALL TIMES HOT IN RUN I/P FUSE BLOCK I/P WIRING HARNESS JUNCTION BLOCK (LOWER RIGHT SIDE OF DASH) IGN 3 FUSE IGNITION INSTRUMENT CLUSTER SYSTEM LT BLU WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE POWER DISTRIBUTION SYSTEM POWERTRAIN CONTROL MODULE (ON LEFT FRONT OF ENGINE COMPARTMENT) RTD FUSE SERIAL DATA EVO FEED EVO RETURN STEERING HAND WHEEL POSITION/SPEED SENSOR (NEAR BASE OF STEERING COLUMN) SUSPENSION CONTROL MODULE (REAR OF RIGHT WHEELWELL) TRACK 1 INPUT TRACK 2 INPUT LOW REFERENCE VSS INPUT WHT WIRE

BLK WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) DK GRN WIRE GROUND DISTRIBUTION SYSTEM HORN (GAS) FUSE 29 (DIESEL) FUSE 26 HORN PCB RELAY HORN RELAY CTRL HORN SWITCH HOT AT ALL TIMES UNDERHOOD FUSE HOLDER (ON POSITIVE BATTERY TERMINAL) INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL (BEHIND STEERING WHEEL) LEFT HORN (LOWER LEFT FRONT OF VEHICLE) POWER DISTRIBUTION SYSTEM RED WIRE RED/BLK WIRE RIGHT HORN (LOWER RIGHT FRONT OF VEHICLE) TAN WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) W/ HIGH NOTE DUAL HORN, COMFORT, DECOR LEVEL 3 CONVENIENCE PACKAGE W/ HORN/SIREN CIRCUIT WIRING PROVISIONS W/ STEERING WHEEL HEATER, ACCESSORY STEERING CONTROL, AUTOMATIC CRUISE CONTROL W/O STEERING WHEEL HEATER

6.6L EXCEPT 6.6L, 4.3L 4.3L BLK WIRE EXCEPT 6.6L 6.6L LOGIC HVAC CONTROL MODULE MANUAL A/C AUTOMATIC A/C POWER DISTRIBUTION SYSTEM PPL REAR DEFOG FUSE 50 FUSE 47 REAR DEFOG RELAY REAR DEFOGGER IND REAR DEFOGGER SWITCH REAR WINDOW DEFOGGER GRID RED WIRE RED/BLK WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WHT WIRE

4.8L 4.3L 5.3L, 6.2L 6.0L 6 SPEED A/T 6.0L 4.3L 4.8L, 5.3L, 6.2L 6.6L ALLISON TRANSMISSION 6 SPEED A/T AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION FLUID PRESSURE (TFP) MANUAL VALVE POSITION SWITCH AUTOMATIC TRANSMISSION INTERNAL MODE SWITCH (IMS) 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) GRY WIRE HEAD IGN 3 VOLT IGNITION SWITCH LOCK LOW REF MEGA FUSE ORG/ WIRE ORG/BLK WIRE PARK/ NEUTRAL POSITION (PNP) SWITCH (ON LEFT REAR SIDE OF TRANSMISSION) PARK/NEUTRAL SIGNAL PNK/BLK WIRE POWER DISTRIBUTION SYSTEM POWER SUPPLY, AUXILIARY BATTERY PPL RED WIRE RED/BLK WIRE RIGHT BATTERY RUN WIRE SERIAL DATA STARTER MOTOR STRT RLY CTRL STRTR FUSE 62 (EXCEPT 6.6L) FUSE 57 (6.6L) TAN WIRE TAN/BLK WIRE TRANSMISSION CONTROL MODULE (TCM) TRANSMISSION CONTROL MODULE (TCM) (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD) TRANSMISSION PARK/NEUTRAL UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) STRTR RELAY WHT WIRE YEL WIRE YEL/BLK WIRE