Chevrolet Silverado 3500 (2002-2006) red 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)

AUTOMATIC TRANSMISSION BODY CONTROL MODULE BRAKE FUSE BRN WIRE CRUISE CONTROL ON/OFF SWITCH CRUISE FUSE CRUISE POWER TAKEOFF CONTROL MODULE (PTO) SWITCH CRUISE PTO ELECTRONIC BRAKE CONTROL MODULE FROM AUXILIARY TRANSFER BATTERY CASE SHIFT RELAY CONTROL (DIAGRAM SWITCH 1 OF 6) FROM IGN A FUSE (DIAGRAM 1 OF 6) FRONT AXLE ACTUATOR FUSE HTR/AC FUSE HVAC 1 FUSE HVAC CONTROL MODULE I/P FUSE BLOCK (LEFT SIDE OF DASH, I/P JUNCTION BLOCK (BEHIND RIGHT SIDE OF DASH) IGN 0 FUSE IGN 3 FUSE IGNITION SWITCH LOCK OFF MAN A/C ORG/ WIRE PNK PNK WIRE PNK WIRE POWERTRAIN CONTROL MODULE PPL PNK WIRE REAR WHEEL STEERING CONTROL MODULE RED WIRE RUN WIRE STEERING WHEEL SPEED/POSITION SENSOR STOPLAMP CLUTCH SWITCH SWITCH TBC IGN 0 FUSE TRACTION CONTROL SWITCH TRANSMISSION TRANSMISSION CONTROL MODULE TURN SIGNAL/ MULTIFUNCTION SWITCH UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) CRANK FUSE WHT WIRE YEL WIRE

A/C COMP RELAY A/T M/T AIRBAG FUSE B/U LP FUSE BODY CONTROL MODULE BRN WIRE CLUTCH DEFOG RELAY EXC 8.1L W/O CALIFORNIA LEV FROM IGN 1 RELAY (DIAGRAM 3 OF 6) FROM IGN B FUSE (DIAGRAM 1 OF 6) FUSE HEATED HEATED OXYGEN OXYGEN SENSOR SENSOR BANK 1 BANK 2 SENSOR 2 SENSOR 2 HEATED OXYGEN SENSOR BANK 1 SENSOR 1 HEATED OXYGEN SENSOR BANK 2 SENSOR 1 I/P FUSE BLOCK (BEHIND LEFT SIDE OF DASH) I/P RELAY BLOCK (NEAR LEFT KICK PANEL) IGN E FUSE IGNITION SWITCH INFLATABLE RESTRAINT I/P MODULE DISABLE SWITCH INSTRUMENT INSTRUMENT TURN SIGNAL/ PANEL MULTIFUNCTION CLUSTER SWITCH LOCK OFF MOBILE RADIO FUSE BLOCK (UPFITTER OPTION) NCA WIRE PARK/NEUTRAL BACKUP POSITION LAMP SWITCH SWITCH (A/T) PNK PNK PNK WIRE PNK PNK WIRE PNK WIRE RED WIRE RELAY RELAY RR WPR FUSE RUN WIRE SELECTABLE PANEL RIDE SWITCH CLUSTER SEO ACCY FUSE SEO IGN FUSE SWITCH (M/T) TBC ACCY FUSE TBC IGN 1 FUSE TURN SIGNAL/ MULTIFUNCTION SWITCH WINDSHIELD WIPER MOTOR MODULE WS WPR FUSE YEL WIRE

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)

33 34 35 PNK WIRE 9 10 PNK WIRE ACT CNTRL APP SENS 1 APP SENS 2 AUTOMATIC TRANSMISSION INPUT SHAFT SPEED SENSOR BLK WIRE BLK/WHT WIRE BRN WIRE CRUISE CONTROL SYSTEM CRUISE REQ DATA DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ECT/ECM FUSE FUSE GROUND GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN RUN OR START HOT IN RUN, START I/P FUSE BLOCK IGN LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE ORG/ WIRE ORG/BLK WIRE PNK 11 12 13 14 15 16 17 WIRE PNK PNK PNK WIRE PNK PNK WIRE PNK WIRE PPL PPL PNK PNK 28 29 WIRE PPL PNK PNK WIRE PPL/WHT WIRE R/A INPUT RED WIRE RED/BLK WIRE RED/WHT WIRE REF LOW S/C INPUT SIGNAL STP LP IN TAC CTRL TAN WIRE TAN/BLK WIRE TAN/WHT WIRE THROTTLE ACTUATOR CONTROL MODULE (REAR OF ENGINE COMPT) TP SENS 1 TP SENS 2 UNDERHOOD FUSE BLOCK VEH STOP FUSE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

33 34 35 PNK WIRE A/C SYSTEM A/C SYSTEM STARTING/CHARGING SYSTEM TRANSMISSIONS SYSTEM AIR CONDITIONING SYSTEM ANTI-LOCK BRAKES SYSTEM BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE COOLING FANS SYSTEM CRANK FUSE CSS SIG AXLE SW SIG VSS LOW SIG VSS HIGH SIG AT ISS HIGH SIG AT ISS LOW SIG CTRL CYCLE SIG DELIVERED TORQ PC SOL HI CTRL DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE EVAP VENT CTRL MIL CTRL 2-3 SS CTRL 1-2 SS CTRL VSS OUT VSS OUT TFT SENS SIG EXC SEO FUEL LEV SENS FUSE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN RUN, START HOT IN START IAT SIG IGN CTRL IGN CTRL IGN CTRL IGN CTRL PPL IGN IGN CTRL IGN CTRL IGN CTRL IGN CTRL IGN FEED GND IGNITION COILS INSTRUMENT CLUSTER SYSTEM INSTRUMENT PANEL CLUSTER IPC/DIC FUSE LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MAF SIG MAP SIG CFAN HI RLY EVAP CANP CTRL MALFUNCTION INDICATOR LAMP NCA WIRE ORG/ WIRE PC SOL LO CTRL PMP RLY CTRL RPM OUT PNK 11 12 13 14 15 16 17 WIRE PNK PNK WIRE PNK WIRE POWERTRAIN CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) PPL PPL FUEL LEV SIG PPL PNK PNK WIRE PPL/WHT WIRE PRESS SENS SIG IND CTRL RED WIRE RED/BLK WIRE RED/WHT WIRE REF LO REF LOW RPM OUT SEO SPARK PLUG SPARK SPARK PLUG PLUG STARTING/CHARGING SYSTEM STARTING/CHARGING SYSTEM TRANSMISSIONS SYSTEM TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TCC SOL CTRL CLU RLY CTRL UNDERHOOD FUSE BLOCK WHT WIRE YEL WIRE YEL/BLK WIRE