Chevrolet Silverado 3500 (2002-2006) blk Wiring diagrams

ABS FUSE TBC BATT FUSE AUXILIARY BATTERY RELAY (RIGHT REAR OF ENGINE COMPT) BATTERY (LEFT) BATTERY (RIGHT) BATTERY (RIGHT) (W/AUX BATTERY) BATTERY CABLE JUNCTION BLOCK BLK WIRE BLK/WHT WIRE BLUNT CUT) BRN WIRE CIG LTR FUSE CIGAR LIGHTER COOL FAN FUSE COOL/FAN RELAY 1 COOL/FAN RELAY 2 COOL/FAN RELAY 3 DATA LINK CONNECTOR DIGITAL RADIO RADIO RECEIVER DIGITAL REAR SEAT RADIO AUDIO (RSA) RECEIVER CONTROLLER AUDIO AMPLIFIER ELECTRONIC BODY BRAKE CONTROL CONTROL MODULE MODULE EMERGENCY VEHICLE ROOF LAMP RELAY EVAPORATIVE EMISSIONS CANISTER VENT SOLENOID EXCEPT 4.3L EXCEPT LUXURY FUSE FUSIBLE LINK GENERATOR (LEFT) GENERATOR (RIGHT) I/P JUNCTION BLOCK (RIGHT SIDE OF DASH) I/P RELAY BLOCK (LEFT OF STEERING COLUMN) I/P RELAY BLOCK (NEAR LEFT KICK PANEL) IGN A FUSE STUD 2 FUSE IGN B FUSE LUXURY MEGA FUSE MOBILE RADIO FUSE BLOCK (BEHIND RIGHT SIDE OF DASH) NCA WIRE ORG/ WIRE RADIO AMP FUSE RADIO FUSE REAR SEAT RADIO AUDIO (RSA) CONTROLLER REAR WHEEL STEERING CONTROL MODULE RED WIRE RELAY RELAY/ FUSE RTD FUSE S/ROOF FUSE RR WIPER FUSE EAP FUSE STARTER STARTER RELAY STUD 1 FUSE SUNROOF CONTROL MODULE TO IGNITION SWITCH (DIAGRAM 6 OF 6) TO IPC/DIC FUSE (DIAGRAM 2 OF 6) TRAILER CONNECTOR (7 WAY) UNDERHOOD COOLING FAN FUSE BLOCK (LEFT SIDE OF ENG COMPT) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VSES/ ECAS FUSE FUSE W/ AUX BATTERY W/ WRECKER EMERGENCY LAMP WHEEL TRAILER WIRING PROVISION (BLUNT CUT) WRECKER RELAY

AUTO A/C AUX PWR FUSE AUXILIARY POWER OUTLET (BIN) AUXILIARY POWER OUTLET (CONSOLE) AUXILIARY POWER OUTLET (FRONT) BLK WIRE BLOWER FUSE BLOWER MOTOR CONTROL MODULE BLOWER MOTOR RESISTOR ASSEMBLY BREAKOUT) DEFOG RELAY EXCEPT LUXURY F/PMP RELAY RVC FUSE FROM RADIO FUSE (DIAGRAM 1 OF 6) FUSE GARAGE DOOR OPENER OVERHEAD CONSOLE GENERATOR BATTERY CONTROL MODULE (10 SERIES) HVAC CONTROL MODULE HVAC/ECAS FUSE I/P JUNCTION BLOCK (RIGHT SIDE OF DASH) I/P RELAY BLOCK (NEAR LEFT KICK PANEL) INFO FUSE INSTRUMENT PANEL CLUSTER IPC/DIC FUSE LH HID FUSE RH HID FUSE LUXURY MANUAL A/C NCA WIRE ORG/ WIRE PCM B FUSE POWERTRAIN CONTROL MODULE REAR SEAT ENTERTAINMENT ASSEMBLY RED WIRE REMOTE REAR SEAT PLAYBACK ENTERTAINMENT DEVICE ASSEMBLY (CD PLAYER) ROOF BEACON RELAY ROOF BEACON SWITCH RR DEFOG FUSE RR HVAC FUSE STOP LP FUSE STOPLAMP SWITCH TO LBEC 1 FUSE (DIAGRAM 3 OF 6) TRANSFER CASE ENCODER MOTOR TRANSFER CASE SHIFT CONTROL MODULE TRANSMISSION CONTROL MODULE TREC FUSE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VEHICLE COMMUNICATION INTERFACE MODULE WHT WIRE

A/C COMP FUSE A/C COMP RELAY BLK WIRE BODY CONTROL MODULE DDM FUSE DRIVER DOOR UNLOCK RELAY DRL FUSE DRL RELAY ECC FUSE AUX PWR 2 FUSE ETC/ECM FUSE EVAPORATIVE EMISSIONS (EVAP) CANISTER PURGE SOLENOID EXC BASE FLASH FUSE FOG LP FUSE FOG LP RELAY FROM MBEC 1 FUSE (DIAGRAM 3 OF 6) FROM PCM B FUSE (DIAGRAM 2 OF 6) FUEL PUMP RELAY (SECONDARY) (W/ DUAL TANKS) PNK WIRE FUSE FUSE FUSE HDLP LOW RELAY HDLP-HI RELAY HORN RELAY I/P JUNCTION BLOCK (RIGHT SIDE OF DASH) I/P RELAY BLOCK (NEAR LEFT KICK PANEL) IGN 1 RELAY INTAKE AIR TEMPERATURE (IAT)/MASS AIRFLOW (MAF) SENSOR ASSEMBLY LBEC 1 FUSE LBEC 2 FUSE LOCK RELAY LT DOOR CIRCUIT BREAKER LUMBAR BOLSTER SWITCH (FRONT PASSENGER) MBEC 1 FUSE MEMORY SEAT ADJUSTER SEAT MODULE SWITCH (DRIVER) (DRIVER) NON BUCKET BUCKET ORG/ WIRE PARK LP RELAY PASSENGER DOOR MODULE PCM 1 FUSE PDM FUSE LOCKS FUSE PNK PNK PNK WIRE PNK PNK WIRE PNK WIRE POWER TAKE OFF RELAY POWERTRAIN FUEL CONTROL COMPOSITION MODULE SENSOR RED WIRE RT DOORS CIRCUIT BREAKER SBA FUSE SEAT ADJUSTER SWITCH (FRONT PASSENGER) SEATS CIRCUIT BREAKER SUPPLEMENTAL BRAKE ASSIST PUMP MOTOR THROTTLE ACTUATOR CONTROL MODULE (EXCEPT 4.3L) TO IGN 1 RELAY (DIAGRAM 3 OF 6) TO INJ 1 FUSE (DIAGRAM 4 OF 6) TO SEO IGN FUSE (DIAGRAM 6 OF 6) TURN SIGNAL/ HAZARD FLASHER MODULE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) UNLOCK RELAY W/S WASH FUSE W/S WASH RELAY WINDOW DRIVER SWITCH DOOR (LEFT REAR) MODULE (CREW CAB) WINDOW SWITCH (RIGHT REAR)

ABS FUSE TBC BATT FUSE AUXILIARY BATTERY RELAY (RIGHT REAR OF ENGINE COMPT) BATTERY (LEFT) BATTERY (RIGHT) BATTERY (RIGHT) (W/AUX BATTERY) BATTERY CABLE JUNCTION BLOCK BLK WIRE BLK/WHT WIRE BLUNT CUT) BRN WIRE CIG LTR FUSE CIGAR LIGHTER COOL FAN FUSE COOL/FAN RELAY 1 COOL/FAN RELAY 2 COOL/FAN RELAY 3 DATA LINK CONNECTOR DIGITAL RADIO RADIO RECEIVER DIGITAL REAR SEAT RADIO AUDIO (RSA) RECEIVER CONTROLLER AUDIO AMPLIFIER ELECTRONIC BODY BRAKE CONTROL CONTROL MODULE MODULE EMERGENCY VEHICLE ROOF LAMP RELAY EVAPORATIVE EMISSIONS CANISTER VENT SOLENOID EXCEPT 4.3L EXCEPT LUXURY FUSE FUSIBLE LINK GENERATOR (LEFT) GENERATOR (RIGHT) I/P JUNCTION BLOCK (RIGHT SIDE OF DASH) I/P RELAY BLOCK (LEFT OF STEERING COLUMN) I/P RELAY BLOCK (NEAR LEFT KICK PANEL) IGN A FUSE STUD 2 FUSE IGN B FUSE LUXURY MEGA FUSE MOBILE RADIO FUSE BLOCK (BEHIND RIGHT SIDE OF DASH) NCA WIRE ORG/ WIRE RADIO AMP FUSE RADIO FUSE REAR SEAT RADIO AUDIO (RSA) CONTROLLER REAR WHEEL STEERING CONTROL MODULE RED WIRE RELAY RELAY/ FUSE RTD FUSE S/ROOF FUSE RR WIPER FUSE EAP FUSE STARTER STARTER RELAY STUD 1 FUSE SUNROOF CONTROL MODULE TO IGNITION SWITCH (DIAGRAM 6 OF 6) TO IPC/DIC FUSE (DIAGRAM 2 OF 6) TRAILER CONNECTOR (7 WAY) UNDERHOOD COOLING FAN FUSE BLOCK (LEFT SIDE OF ENG COMPT) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VSES/ ECAS FUSE FUSE W/ AUX BATTERY W/ WRECKER EMERGENCY LAMP WHEEL TRAILER WIRING PROVISION (BLUNT CUT) WRECKER RELAY

AUTO A/C AUX PWR FUSE AUXILIARY POWER OUTLET (BIN) AUXILIARY POWER OUTLET (CONSOLE) AUXILIARY POWER OUTLET (FRONT) BLK WIRE BLOWER FUSE BLOWER MOTOR CONTROL MODULE BLOWER MOTOR RESISTOR ASSEMBLY BREAKOUT) DEFOG RELAY EXCEPT LUXURY F/PMP RELAY RVC FUSE FROM RADIO FUSE (DIAGRAM 1 OF 6) FUSE GARAGE DOOR OPENER OVERHEAD CONSOLE GENERATOR BATTERY CONTROL MODULE (10 SERIES) HVAC CONTROL MODULE HVAC/ECAS FUSE I/P JUNCTION BLOCK (RIGHT SIDE OF DASH) I/P RELAY BLOCK (NEAR LEFT KICK PANEL) INFO FUSE INSTRUMENT PANEL CLUSTER IPC/DIC FUSE LH HID FUSE RH HID FUSE LUXURY MANUAL A/C NCA WIRE ORG/ WIRE PCM B FUSE POWERTRAIN CONTROL MODULE REAR SEAT ENTERTAINMENT ASSEMBLY RED WIRE REMOTE REAR SEAT PLAYBACK ENTERTAINMENT DEVICE ASSEMBLY (CD PLAYER) ROOF BEACON RELAY ROOF BEACON SWITCH RR DEFOG FUSE RR HVAC FUSE STOP LP FUSE STOPLAMP SWITCH TO LBEC 1 FUSE (DIAGRAM 3 OF 6) TRANSFER CASE ENCODER MOTOR TRANSFER CASE SHIFT CONTROL MODULE TRANSMISSION CONTROL MODULE TREC FUSE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) VEHICLE COMMUNICATION INTERFACE MODULE WHT WIRE

A/C COMP FUSE A/C COMP RELAY BLK WIRE BODY CONTROL MODULE DDM FUSE DRIVER DOOR UNLOCK RELAY DRL FUSE DRL RELAY ECC FUSE AUX PWR 2 FUSE ETC/ECM FUSE EVAPORATIVE EMISSIONS (EVAP) CANISTER PURGE SOLENOID EXC BASE FLASH FUSE FOG LP FUSE FOG LP RELAY FROM MBEC 1 FUSE (DIAGRAM 3 OF 6) FROM PCM B FUSE (DIAGRAM 2 OF 6) FUEL PUMP RELAY (SECONDARY) (W/ DUAL TANKS) PNK WIRE FUSE FUSE FUSE HDLP LOW RELAY HDLP-HI RELAY HORN RELAY I/P JUNCTION BLOCK (RIGHT SIDE OF DASH) I/P RELAY BLOCK (NEAR LEFT KICK PANEL) IGN 1 RELAY INTAKE AIR TEMPERATURE (IAT)/MASS AIRFLOW (MAF) SENSOR ASSEMBLY LBEC 1 FUSE LBEC 2 FUSE LOCK RELAY LT DOOR CIRCUIT BREAKER LUMBAR BOLSTER SWITCH (FRONT PASSENGER) MBEC 1 FUSE MEMORY SEAT ADJUSTER SEAT MODULE SWITCH (DRIVER) (DRIVER) NON BUCKET BUCKET ORG/ WIRE PARK LP RELAY PASSENGER DOOR MODULE PCM 1 FUSE PDM FUSE LOCKS FUSE PNK PNK PNK WIRE PNK PNK WIRE PNK WIRE POWER TAKE OFF RELAY POWERTRAIN FUEL CONTROL COMPOSITION MODULE SENSOR RED WIRE RT DOORS CIRCUIT BREAKER SBA FUSE SEAT ADJUSTER SWITCH (FRONT PASSENGER) SEATS CIRCUIT BREAKER SUPPLEMENTAL BRAKE ASSIST PUMP MOTOR THROTTLE ACTUATOR CONTROL MODULE (EXCEPT 4.3L) TO IGN 1 RELAY (DIAGRAM 3 OF 6) TO INJ 1 FUSE (DIAGRAM 4 OF 6) TO SEO IGN FUSE (DIAGRAM 6 OF 6) TURN SIGNAL/ HAZARD FLASHER MODULE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) UNLOCK RELAY W/S WASH FUSE W/S WASH RELAY WINDOW DRIVER SWITCH DOOR (LEFT REAR) MODULE (CREW CAB) WINDOW SWITCH (RIGHT REAR)

2061 2062 1792 2 1 8 VOICE LOW REF VOICE SIGNAL DRAIN WIRE 511 1947 1946 546 1851 LF SPK OUT+ LF SPK OUT- RR AUD SIG+ RR AUD SIG- GROUND 599 1547 1546 512 LR SPK OUT + LR SPK OUT - RF SPK OUT - RF SPK OUT + ANTENNA BARE BARE DRAIN WIRE BCM CLASS 2 SERIAL DATA BLK WIRE BLK/WHT WIRE BLUNT CUT) BODY CONTROL MODULE (BELOW STEERING COLUMN) BRN WIRE BRN/WHT WIRE COAX COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DRAIN WIRE ENGINE CONTROLS SYSTEM VSS SIGNAL GRN WIRE GROUND GRY/BLK WIRE I/P RELAY BLOCK (NEAR LEFT KICK PANEL) INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL LR AUD SIG+ LT BLU WIRE LT GRN WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK RADIO ON SIG WIRE PNK WIRE PNK/BLK WIRE PPL PPL ENABLE SIG PROG VOICE RADIO RADIO MUTE REAR SEAT AUDIO CONTROLLER (ON REAR OF CENTER CONSOLE) REMOTE RADIO CONTROL SIGNAL REMOTE RADIO CONTROL SUPPLY VOLTAGE RR AUD SIG+ SEEK UP SEEK DN SERIAL DATA SOURCE DN SOURCE UP TAN WIRE UPPER LEFT STEERING WHEEL CONTROL SWITCH ASSEMBLY UPPER RIGHT STEERING WHEEL CONTROL SWITCH ASSEMBLY VEHICLE COMMUNICATION INTERFACE MODULE (BEHIND PASSENGER AIR BAG MODULE) VOL UP VOL DN WHT WIRE

4 5 BARE AUDIO AMPLIFIER BARE BARE 7 8 9 10 11 12 13 14 15 16 17 18 BARE DRAIN WIRE R SPK OUT- L SPK OUT- B+ BLK WIRE BLK/WHT WIRE BLUNT CUT) BRN WIRE BRN/WHT WIRE DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE GROUND L SPK OUT+ R SPK OUT+ GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES I/P FUSE BLOCK (ON LOWER LEFT SIDE OF DASH) I/P RELAY BLOCK (BELOW LOWER LEFT SIDE OF DASH) LEFT FRONT LEFT FRONT TWEETER DOOR SPEAKER SPEAKER LEFT REAR DOOR SPEAKER LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE ORG/ WIRE ORG/BLK WIRE PNK BARE WIRE PNK WIRE PPL RADIO AMP FUSE RADIO FUSE RIGHT FRONT DOOR SPEAKER RIGHT FRONT TWEETER SPEAKER RIGHT REAR DOOR SPEAKER SUBWOOFER SPEAKER TAN WIRE UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPARTMENT) YEL WIRE

BACK BLK WIRE DK BLU WIRE DK GRN WIRE FR DN FR UP FWD FRONT PASSENGER SEAT ADJUSTER SWITCH FRONT PASSENGER SEAT FRONT VERTICAL MOTOR FRONT PASSENGER SEAT HORIZONTAL MOTOR FRONT PASSENGER SEAT REAR RECLINER MOTOR FRONT PASSENGER SEAT REAR VERTICAL MOTOR HOT AT ALL TIMES I/P RELAY BLOCK LT BLU WIRE LT GRN WIRE ORG/ WIRE RED WIRE RR DN RR UP SEATS CIRCUIT BREAKER TAN WIRE YEL WIRE

1 2 3 4 5 6 7 8 LOW REF B+ SUNROOF MTR OPEN SUNROOF MTR CLOSE GRD BLK WIRE BODY CONTROL MODULE (ON LOWER LEFT SIDE OF DASH, BELOW STEERING COLUMN) BRN WIRE CLOSED OPEN DK BLU WIRE DK GRN WIRE GRY WIRE HOT AT ALL TIMES I/P JUNCTION BLOCK (ON LOWER LEFT SIDE OF DASH) LT GRN WIRE ORG/ WIRE RAP SUPPLY SUNROOF CONTROL MODULE SUNROOF FUSE SUNROOF MOTOR SUNROOF SWITCH TAN WIRE UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPARTMENT) YEL/BLK WIRE