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Chevrolet Silverado 3500 (2002-2006) blk Wiring diagrams

This page contains all the electrical diagrams for the component. blk, in which he is found in the car Chevrolet Silverado 3500 (2002-2006). You can view various wiring diagrams where this component is used, as well as go to more detailed diagrams to see the complete connection and interaction in the system. All diagrams have links to quickly jump to the corresponding section with the component for easy viewing..

blk wiring diagram (121 of 266)

Chevrolet Silverado 3500 (2002-2006) blk wiring diagram (121 of 266)

22 3 18 4 13 CLASS 2 DATA LOW REF DOOR AJAR SIG CTSY LAMP CTRL CTSY LAMP POWER BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH, BELOW STEERING COLUMN) BRN WIRE CARGO LAMP LOW CTRL RF DOOR AJAR SIG LF DOOR AJAR SIG CTSY LAMP ON SIG CLASS 2 SERIAL DATA CONVENIENCE PACKAGE COMFORT AND DECOR LEVEL #3 CREW CAB CREW CAB ONLY CTSY LAMP SUPPLY DK BLU WIRE DK BLU/WHT WIRE DOME LAMP SWITCH DRIVER DOOR LATCH ASSEMBLY DRIVER DOOR MODULE (DDM) (IN LEFT FRONT DOOR) GRY/BLK WIRE HEADLAMP SWITCH INADVERTANT PWR SUPPLY LEFT FRONT DOOR COURTESY LAMP LEFT REAR DOOR COURTESY LAMP (2003) LEFT REAR DOOR LATCH ASSEMBLY LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MERCHANDISED PACKAGE LUXURY EDITION ORG/ WIRE PPL INT LAMP DEFEAT SIG PPL INT LAMP DEFEAT SW REAR DOME LAMP RIGHT REAR DOOR COURTESY LAMP (2003) RIGHT REAR DOOR LATCH ASSEMBLY RR DOOR AJAR SIG LR DOOR AJAR SIG TAN WIRE

Go to component -> Courtesy lamps circuit (1 of 3) -> BLK WIRE

blk wiring diagram (122 of 266)

Chevrolet Silverado 3500 (2002-2006) blk wiring diagram (122 of 266)

AND CREW AND CREW CAB W/O BLK WIRE BLK/WHT WIRE BRN WIRE CARGO LAMP CONVENIENCE PACKAGE COMFORT AND DECOR LEVEL #3 CREW CAB DK BLU/WHT WIRE DOME EXCEPT CREW CAB GRY/BLK WIRE LEFT VANITY MIRROR LAMP MAP LAMPS MERCHANDISED PACKAGE LUXURY EDITION ORG/ WIRE OVERHEAD CONSOLE READING REAR COURTESY READING LAMPS RIGHT VANITY MIRROR LAMP TAN WIRE

Go to component -> Courtesy lamps circuit (2 of 3) -> BLK WIRE

blk wiring diagram (123 of 266)

Chevrolet Silverado 3500 (2002-2006) blk wiring diagram (123 of 266)

5.3L FLEX FUEL A/C COMPRESSOR CLUTCH A/C LOW PRESSURE SWITCH ACTIVE, ELECT SHIFT TRANSFER CASE ACTIVE, MANUAL SHIFT TRANSFER CASE AUXILIARY BATTERY RELAY BATTERY (LEFT) BATTERY (RIGHT) BLK WIRE BRAKE FLUID LEVEL SWITCH BRAKE PRESSURE DIFFERENTIAL SWITCH COOLANT LEVEL SWITCH DAYTIME RUNNING LAMP (DRL) (LEFT) DAYTIME RUNNING LAMP (DRL) (RIGHT) DIESEL ELECTRONIC BRAKE CONTROL MODULE EXCEPT 4.3L BASE F/PMP RELAY FOG LAMP (LEFT) FUEL COMPOSITION SENSOR FUEL PUMP FUEL PUMP, SENDER ASSEMBLY (SECONDARY) GAS GAS (LEFT REAR OF ENGINE BLOCK) GAS EXC 4.3L GAS W/AUX BATTERY HIGH BEAM HEADLAMP (LEFT) HORN (LEFT) HORN (RIGHT) FOG LAMP (RIGHT) IGN 1 RELAY (GAS) INFLATABLE RESTRAINT PASSENGER PRESENSE MODULE INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE LOW BEAM HEADLAMP (LEFT) LOW BEAM HIGH BEAM HEADLAMP HEADLAMP (RIGHT) (RIGHT) MANUAL SHIFT TRANSFER CASE NCA WIRE PARK/TURN SIGNAL LAMP (LEFT FRONT) PARK/TURN SIGNAL LAMP (RIGHT FRONT) POWER TAKEOFF CONNECTOR (BLUNT CUT) REAR WHEEL STEERING CONTROL MODULE ROOF BEACON RELAY ROOF MOUNTED BEACON (BLUNT CUT) THROTTLE ACTUATOR CONTROL MODULE TRANSFER CASE SHIFT CONTROL SWITCH TRANSFER CASE SHIFT FRONT CONTROL AXLE MOTOR ACTUATOR UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT, NEAR BATTERY) W/ DUAL HORNS W/AUX BATTERY W/PTO WASHER FLUID LEVEL SENSOR WINDSHIELD WASHER FLUID PUMP

Go to component -> Ground distribution circuit (1 of 5) -> BLK WIRE

blk wiring diagram (124 of 266)

Chevrolet Silverado 3500 (2002-2006) blk wiring diagram (124 of 266)

AVALANCHE/ ESCALADE EXT BLK WIRE BLK/WHT WIRE CENTER HIGH MOUNT STOP LAMP DOOR COURTESY LAMP (LEFT REAR) DOOR COURTESY LAMP (RIGHT REAR) ELECTRONIC SUSPENSION CONTROL MODULE ESCALADE EXT EXC 8.1L W/O CALIF LEV EXC ESCALADE EXT HEATED HEATED SEAT SEAT MODULE ELEMENT (LEFT REAR) (LEFT REAR) HEATED SEAT ELEMENT (RIGHT REAR) HEATED SEAT MODULE (RIGHT REAR) IGNITION COIL 1 IGNITION COIL 5 IGNITION IGNITION COIL 2 COIL 6 IGNITION IGNITION COIL 3 COIL 7 IGNITION IGNITION COIL 4 COIL 8 INTAKE AIR TEMPERATURE (IAT)/MASS ENGINE AIRFLOW (MAF) OIL LEVEL SENSOR SWITCH MEMORY SEAT MODULE (PASSENGER) MINI WEDGE (DOOR JAMB SWITCH) (LEFT REAR) MINI WEDGE (DOOR JAMB SWITCH) (RIGHT REAR) NCA WIRE PARK/ NEUTRAL POSITION SWITCH POWERTRAIN CONTROL MODULE REAR OBJECT SENSOR CONTROL MODULE REAR PARKING ASSIST DIAGNOSTIC CONNECTOR REAR WINDOW DEFOGGER GRID ROOF MEMORY WINDOW BEACON SEAT SWITCH) RELAY MODULE (LEFT REAR) ROOF MOUNTED BEACON (BLUNT CUT) WHT WIRE WINDOW CONTACTOR WINDOW SWITCH (RIGHT REAR)

Go to component -> Ground distribution circuit (2 of 5) -> BLK WIRE

blk wiring diagram (125 of 266)

Chevrolet Silverado 3500 (2002-2006) blk wiring diagram (125 of 266)

A/T INSTRUMENT SHIFT PANEL HEADLAMP LOCK CLUSTER SWITCH SOLENOID AIR TEMPERATURE SENSOR ASSEMBLY (INSIDE FRONT) AIR TEMPERATURE SENSOR ASSEMBLY (INSIDE REAR) ANALOG CLOCK AUTO A/C AUTO A/C EXC AVALANCHE/ ESCALADE EXT AUXILIARY POWER OUTLET (BIN) AUXILIARY POWER OUTLET (CONSOLE) AUXILIARY POWER OUTLET (FRONT) BLK WIRE BLOWER MOTOR BLOWER MOTOR RECIRCULATION RESISTOR ACTUATOR ASSEMBLY BOSE EXC LUXURY CIGAR LIGHTER CLEARANCE LAMPS CLEARANCE SWITCH COURTESY LAMP ("B" PILLAR) COURTESY LAMP (RIGHT) DOME LAMP (FRONT) DOME READING CENTER LAMP HIGH (REAR) MOUNTED STOP LAMP DRIVER DOOR MODULE EXC CAD EXT CAD FRONT PASSENGER DOOR MODULE HEATED SEAT SWITCH (LEFT REAR) HEATED SEAT SWITCH (RIGHT REAR) HVAC CONTROL ASSEMBLY (FRONT AUXILIARY) HVAC CONTROL MODULE I/P COMPARTMENT LAMP I/P RELAY BLOCK (BELOW LEFT SIDE OF DASH, LEFT OF STEERING COLUMN) INSIDE REARVIEW MIRROR LEFT I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) LUXURY MAN A/C OVERHEAD CONSOLE READING LAMP (REAR) REAR WHEEL STEERING SWITCH RIGHT I/P FUSE BLOCK (LOWER RIGHT SIDE OF DASH) ROOF BEACON SWITCH ROOF MARKER I/P LAMP COURTESY (LEFT) LAMP (LEFT) DATA LINK CONNECTOR ROOF MARKER LAMP (RIGHT) SUNROOF RELAY TRANSFER CASE SHIFT CONTROL SWITCH UNDERHOOD LAMP SUNROOF MOTOR UNLOCK LOCK RELAY RELAY VISOR LAMP (LEFT) VISOR LAMP (RIGHT) WINDSHIELD WIPER MOTOR MODULE

Go to component -> Ground distribution circuit (3 of 5) -> BLK WIRE

blk wiring diagram (126 of 266)

Chevrolet Silverado 3500 (2002-2006) blk wiring diagram (126 of 266)

BLK WIRE BLK/WHT WIRE COLUMN SHIFT DATA LINK CONNECTOR DIGITAL RADIO RECEIVER EXC LUXURY HEADLAMP SWITCH HVAC CONTROL MODULE I/P RELAY BLOCK (BELOW LEFT SIDE OF DASH, LEFT OF STEERING COLUMN) IGNITION KEY ALARM SWITCH INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL LEFT I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) LUXURY MULTIFUNCTION TRACTION ACCESSORY CONTROL SWITCH SWITCH NCA WIRE RADIO REAR PARKING ASSIST DISABLE SWITCH REAR SEAT AUDIO AUDIO AMPLIFIER CONTROLLER REAR SEAT ENTERTAINMENT ASSEMBLY REMOTE PLAYBACK DEVICE (CD PLAYER) STEERING WHEEL DIC CONTROLS STEERING WHEEL SPEED/ POSITION SENSOR TAN WIRE THEFT DETERRENT CONTROL MODULE TOW/HAUL SWITCH TRANSFER CASE SHIFT CONTROL MODULE TRANSMISSION SHIFT SELECT SWITCH TURN SIGNAL/ HAZARD FLASHER MODULE TURN SIGNAL/ MULTIFUNCTION SWITCH VEHICLE COMMUNICATION INTERFACE MODULE VEHICLE REAR SEAT COMMUNICATION ENTERTAINMENT INTERFACE ASSEMBLY MODULE WHT WIRE WINDSHIELD HAZARD WIPER/WASHER LAMPS SWITCH SWITCH

Go to component -> Ground distribution circuit (4 of 5) -> BLK WIRE

blk wiring diagram (127 of 266)

Chevrolet Silverado 3500 (2002-2006) blk wiring diagram (127 of 266)

AUTO A/C AUTOMATIC LEVEL CONTROL COMPRESSOR AUXILIARY REAR OBJECT POWER SENSOR OUTLET CONTROL (REAR) MODULE BACKUP LAMP- RIGHT BLK WIRE BLOWER MOTOR (REAR AUXILIARY) CARGO DOOR DOOR AJAR KEY SWITCH SWITCH (CARGO) CENTER HIGH MOUNT CONTROL STOP LAMP CLEARANCE CLEARANCE LAMP LAMP (LEFT (RIGHT FRONT) REAR) CLEARANCE LAMP (LEFT REAR) DOME LAMP ("D" PILLAR) DOOR CONTACT PLATE (LEFT CARGO BODY) DOOR CONTACT PLATE (LEFT CARGO DOOR) DOOR CONTACT PLATE (RIGHT CARGO BODY) DOOR CONTACT PLATE (RIGHT CARGO DOOR) ELECTRONIC SUSPENSION CONTROL MODULE ESCALADE EXC AVALANCE/ ESCALADE EXT ESCALADE FOUR WHEEL STEERING HVAC BLOWER CONTROL MOTOR ASSEMBLY (REAR (REAR AUXILIARY) AUXILIARY) HVAC CONTROL ASSEMBLY (REAR AUXILIARY) HVAC CONTROL ASSEMBLY BLOWER (REAR MOTOR AUXILIARY) (AUXILIARY) ID LAMP LAMP (RIGHT FRONT) LICENSE LAMP (RIGHT) LICENSE LAMP- LEFT LIFTGATE AJAR SWITCH LIFTGATE AJAR SWITCH (LEFT) LIFTGATE AJAR SWITCH (RIGHT) LIFTGATE KEY SWITCH MODE AIR ACTUATOR TEMPERATURE (REAR) ACTUATOR REAR A/C W/AUX HEATER REAR A/C W/O AUX HEATER REAR LAMPS JUNCTION BLOCK (INSIDE OF LEFT REAR FRAME RAIL) REAR PARKING ASSIST DIAGNOSTIC CONNECTOR REAR WINDOW DEFOGGER GRID REAR WINDOW DEFOGGER GRID (LEFT CARGO) REAR WINDOW DEFOGGER GRID (RIGHT CARGO) SPLICE PACK STOP/TURN SIGNAL LAMP (RIGHT) STOP/TURN TAIL/STOP SIGNAL LAMP LAMP) (LEFT) (LEFT) SUBURBAN TAIL/STOP LAMP (RIGHT) BACKUP LAMP (LEFT) TRAILER CONNECTOR W/ CARGO DOORS W/CARGO DOORS W/LIFTGATE WIPER MODULE (REAR)

Go to component -> Ground distribution circuit (5 of 5) -> BLK WIRE

blk wiring diagram (128 of 266)

Chevrolet Silverado 3500 (2002-2006) blk wiring diagram (128 of 266)

AMBIENT LIGHT SENSOR (ON TOP CENTER OF DASH) AMBIENT LIGHT SUNLOAD SENSOR ASSEMBLY (TOP OF INSTRUMENT PANEL) AMBIENT LT SENS DRL SW SIG FOG LP SW SIG HDLP DIM SW SIG AUTO AUTO PARK HEAD BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (ON LOWER LEFT SIDE OF DASH, BELOW STEERING COLUMN) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRL DEFEAT DRL FUSE DRL RELAY FLASH TO PASS FOG LAMP SWITCH FOG LP FUSE FOG LP RELAY GASOLINE DIESEL HDLP LOW RELAY HDLP-HI RELAY HEADLAMP SWITCH HI BM RLY CTRL LO BM RLY CTRL DRL RLY CTRL FOG LP RLY CTRL HI HDLP LT FUSE HI HDLP RT FUSE HI/LO BEAM SELECT HLPS ON SIG FLASH TO PASS PK BRAKE SIG LOW REF HOT AT ALL TIMES I/P RELAY BLOCK (NEAR LEFT KICK PANEL) LEFT DAYTIME RUNNING LAMP, LEFT FRONT FOG LAMP RIGHT FRONT FOG LAMP LEFT HIGH BEAM HEAD- LAMP LEFT LOW BEAM HEAD- LAMP LO HDLP LT FUSE LO HDLP RT FUSE LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE MULTIFUNCTION ACCESSORY SWITCH ORG/ WIRE PARK BRAKE SWITCH (PART OF PARK BRAKE ASSEMBLY) PNK WIRE PNK/WHT WIRE PPL RIGHT DAYTIME RUNNING LAMP RIGHT HIGH BEAM HEAD- LAMP RIGHT LOW BEAM HEAD- LAMP TAN WIRE TURN SIGNAL/ MULTIFUNCTION SWITCH UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WHT WIRE YEL WIRE YEL/BLK WIRE

Go to component -> Headlights circuit -> BLK WIRE

blk wiring diagram (129 of 266)

Chevrolet Silverado 3500 (2002-2006) blk wiring diagram (129 of 266)

2115 2713 1932 2353 1050 EXTERIOR LIGHTS SYSTEM ABS IND. AIR BAG IND BATTERY GROUND BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (ON LOWER LEFT SIDE OF DASH, BELOW STEERING COLUMN) BRAKE IND BRN/WHT WIRE CARGO LAMP IND CHARGE CLASS 2 DATA COMPUTER DATA LINES SYSTEM COOLANT TEMP GAUGE CRUISE IND DIC MODE SW DIC TOGGLE SW DIC SW SIG DIC FUEL SIG DIESEL DK BLU WIRE DK GRN/WHT WIRE DRIVER INFORMATION CENTER (DIC) FUEL GAUGE FUSE GRY WIRE HIGH BEAM IND HOT AT ALL TIMES HOT IN RUN OR START I/P DIM I/P RELAY BLOCK IGN E FUSE IGNITION IGNITION CLASS 2 DATA ILLUMINATION IND (MIL) MALFUNCTION INFO NOT AVAIL INSTRUMENT PANEL CLUSTER IPC SERIAL DATA IPC/DIC FUSE LAMP LEFT TURN LEFT TURN IND LOW FUEL IND LT BLU WIRE MESSAGE DISPLAY VARIABLE DIMMING MIL CNTRL WAIT TO START LO WASH FLUID VSS ENG SPEED SIG OIL GAUGE ORG/ WIRE ORN/ OVERDRIVE DEFEAT IND PNK PNK WIRE PNK WIRE POWER DISTRIBUTION SYSTEM RED WIRE RIGHT TURN BRAKE SEL SW PRK SIG RIGHT TURN IND SEAT BELT IND SECURITY IND SEO IGN FUSE SPEEDOMETER TACHOMETER TIRE PRESSURE IND TOW/HAUL IND TRACTION CONTROL IND TRANSMISSION TEMP GAUGE TRIP ODOMETER HOUR METER UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) UPSHIFT IND VOLTS GAUGE WAIT TO START IND WASHER FLUID LEVEL SENSOR (IN WASHER FLUID RESERVOIR) WHT WIRE YEL WIRE

Go to component -> Instrument cluster circuit (1 of 2) -> BLK WIRE

blk wiring diagram (130 of 266)

Chevrolet Silverado 3500 (2002-2006) blk wiring diagram (130 of 266)

5 VOLT REF 5.3L FLEX FUEL BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/WHT WIRE CLASS 2 DATA COMPUTER DATA LINES DIESEL DIESEL GAS DK BLU WIRE DK DK DK GRN WIRE DK GRN/WHT WIRE DK PPL ENG SPEED SIG ENGINE CONTROLS SYSTEM ENGINE OIL LEVEL SWITCH (ON OIL PAN) ENGINE OIL PRESSURE SENSOR (REAR OF ENGINE) EXC LUXURY LUXURY EXCEPT 5.3L FLEX FUEL FUEL LEV SENS FUEL LEVEL SENSOR (PRIMARY) (INSIDE FUEL TANK) FUEL LEVEL SENSOR (SECONDARY) (INSIDE FUEL TANK) GAS GRN WIRE GRY WIRE I/P RELAY BLOCK INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL LOW REF LOWER LEFT STEERING WHEEL CONTROL SWITCH ASSEMBLY LOWER RIGHT STEERING WHEEL CONTROL SWITCH ASSEMBLY MIL CTRL NCA WIRE OIL LEV SW SIG OIL PRES SIG ORG/ WIRE PERSONAL- IZATION POWERTRAIN CONTROL MODULE (PCM) (GAS) (ON LEFT FRONT OF ENGINE COMPT) PPL PPL (OR PPL/WHT) WIRE PPL FUEL LEV SENS RADIO SBA SIG SELECT STARTING/CHARGING SYSTEM TAN/WHT WIRE TRIP INFO FUEL INFO VSS W/ DUAL TANK W/O DUAL TANK WAIT TO START WATER IN FUEL (WIF) SENSOR (ON FUEL FILTER ELEMENT) WHT WIRE WIF IND YEL WIRE YEL/BLK WIRE

Go to component -> Instrument cluster circuit (2 of 2) -> BLK WIRE

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