Chevrolet Silverado 3500 (2002-2006) blk/wht Wiring diagrams

59 33 (DIESEL) (GAS) ABS FUSE ANTI-LOCK IND BLK WIRE BLK/WHT WIRE BRAKE FLUID LEVEL SWITCH (ON LEFT SIDE OF BRAKE FLUID RESERVOIR) BRAKE IND BRN WIRE CLUTCH START SWITCH (TOP OF CLUTCH CLUTCH ASSY) CPP SW SIG DK GRN WIRE DK GRN/WHT WIRE ELECTRONIC BRAKE CONTROL MODULE (EBCM) (ON LEFT SIDE OF INNER FRAME) EXCEPT SEO GRY WIRE HOT AT ALL TIMES HOT IN RUN HOT IN RUN OR START IGN E FUSE IGNITION INSTRUMENT CLUSTER LEFT FRONT SENSOR (-) RIGHT FRONT SENSOR (+) BRAKE INPUT LEFT FRONT WHEEL SPEED SENSOR LEFT I/P FUSE BLOCK (ON LOWER LEFT SIDE OF DASH) BRAKE FUSE LOGIC LT BLU WIRE LT GRN/BLK WIRE M/T ONLY NCA WIRE OF TRANSFER CASE) OF TRANSMISSION) PNK WIRE PPL PPL DATA LINK CONNECTOR (DLC) (BELOW STEERING COLUMN) PPL PPL PPL/WHT WIRE RED WIRE RIGHT FRONT WHEEL SPEED SENSOR SEO SEO IGN FUSE STOP- LAMP SWITCH (ON TOP OF BRAKE PEDAL BRACKET) TAN WIRE TCC BRAKE SW TRANSFER CASE SHIFT CONTROL MODULE TRANSMISSIONS SYSTEM TRANSMISSIONS SYSTEM (TRASFER CASE CIRCUIT) UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENG COMPT, NEAR BATTERY) UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPT, NEAR BATTERY) VEHICLE SPEED SENSOR (VSS) VSS HIGH VSS LOW VSS OUTPUT YEL WIRE YEL/BLK WIRE

59 33 (DIESEL) (GAS) ABS FUSE ANTI-LOCK IND BLK WIRE BLK/WHT WIRE BRAKE FLUID LEVEL SW IN BRAKE FLUID LEVEL SWITCH (ON LEFT SIDE OF BRAKE FLUID RESERVOIR) BRAKE IN BRAKE IND BRN WIRE BRN/WHT WIRE CLUTCH START SWITCH (TOP OF CLUTCH CLUTCH ASSY) DEL TORQUE DK GRN WIRE DK GRN/WHT WIRE ELECTRONIC BRAKE CONTROL MODULE (EBCM) (ON LEFT SIDE OF INNER FRAME) EXCEPT SEO GRY WIRE HOT AT ALL TIMES HOT IN RUN LEFT I/P FUSE BLOCK (ON LOWER LEFT SIDE OF DASH) BRAKE FUSE HOT IN RUN OR START IGN E FUSE IGNITION LEFT FRONT SENSOR (-) RIGHT FRONT SENSOR (+) DELIVERED TORQUE ILLUM LAMP INSTRUMENT CLUSTER LEFT FRONT WHEEL SPEED SENSOR LOGIC LT BLU WIRE LT GRN/BLK WIRE M/T ONLY NCA WIRE OF TRANSFER CASE) OF TRANSMISSION) ORG/BLK WIRE PNK WIRE PPL PPL DATA LINK CONNECTOR (DLC) (BELOW STEERING COLUMN) PPL PPL PPL/WHT WIRE RED WIRE REQ TORQUE RIGHT FRONT WHEEL SPEED SENSOR SEO SEO IGN FUSE STOPLAMP SWITCH (ON TOP OF BRAKE PEDAL BRACKET) TAN WIRE TAN/BLK WIRE TCC BRAKE SW TRACTION CONTROL SWITCH TRANSFER CASE SHIFT CONTROL MODULE TRANSMISSIONS SYSTEM TRANSMISSIONS SYSTEM (TRASFER CASE CIRCUIT) UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENG COMPT, NEAR BATTERY) UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPT, NEAR BATTERY) VEHICLE SPEED SENSOR (VSS) VSS HIGH VSS LOW VSS OUT YEL WIRE YEL/BLK WIRE

1056 1037 INTERIOR LIGHTS SYSTEM COMPUTER DATA LINES SYSTEM 1796 245 254 1970 (BASE) (UPPER LEVEL) 2353 1382 4040 1732 230 2240 INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM 244 255 1391 193 (BASE) (UPPER LEVEL) 5 VOLT REF CLASS 2 SERIAL DATA 812 1140 1969 1080 1353 ANTI-THEFT SYSTEM AIR CONDITIONING SYSTEM 1851 1059 2090 11 ANTI-THEFT SYSTEM INTERIOR LIGHTS SYSTEM HORNS SYSTEM BASE BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (ON LOWER LEFT SIDE OF DASH, BELOW STEERING COLUMN) BRN/WHT WIRE DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ELECTRONIC POWER STEERING SYSTEM INTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM FUSE GRY WIRE GRY/BLK WIRE HEADLIGHTS SYSTEM HOT AT ALL TIMES HOT AT ALL TIMES TBC BATT FUSE I/P FUSE BLOCK I/P RELAY BLOCK (NEAR LEFT KICK PANEL) INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE ORG/ WIRE ORG/BLK WIRE PARK LAMP SW ON SIG PNK WIRE PNK/WHT WIRE PPL PPL/WHT WIRE RED WIRE RED/WHT WIRE TAN/WHT WIRE TOW/HAUL SW SIG TRANSMISSIONS SYSTEM UNDERHOOD FUSE BLOCK UPPER LEVEL WHT WIRE YEL WIRE

1187 1185 (UP LEVEL) (UP LEVEL) POWER WINDOWS SYSTEM POWER WINDOWS SYSTEM 2140 690 24 BATTERY + COURTESY LAMP SUPPLY VOLTAGE BACKUP LAMP SUPPLY VOLT 748 747 RIGHT REAR DOOR AJAR SW SIG LEFT REAR DOOR AJAR SW SIG BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (ON LOWER LEFT SIDE OF DASH, BELOW STEERING COLUMN) COURTESY LAMPS ON SIG DOOR UNLOCK CTRL DK BLU/WHT WIRE DK GRN WIRE FUSE GRY WIRE GRY/BLK WIRE HEADLAMP SW HEADLAMP ON SIG HEADLIGHTS SYSTEM HOT AT ALL TIMES HOT IN RUN, ACC TBC ACCY FUSE HOT IN RUN, START TBC IGN 1 FUSE HOT IN RUN, START, ACC TBC IGN 0 FUSE I/P FUSE BLOCK INTERIOR LIGHTS SYSTEM DOOR LOCKS SYSTEM (BASE) INTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE ORG/ WIRE PARK BRAKE SWITCH (PART OF PARK BRAKE ASSEMBLY) PNK 746 149 WIRE PNK WIRE POWER WINDOW SW LR DOWN SIG POWER WINDOW SW LR UP SIG UNDERHOOD FUSE BLOCK WARNINGS SYSTEM HEADLIGHTS SYSTEM WHT WIRE YEL 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

A/C COMP CL RLY CTRL A/C COMPRESSOR CLUTCH A/C COMPRESSOR CLUTCH RELAY A/C LOW PRESSURE SWITCH (RIGHT SIDE OF ACCUMULATOR) A/C ON SWITCH A/C RECIRC A/C REF PRE SENS SIG A/C REFRIGERANT PRESSURE SENSOR (IN HIGH SIDE PRESSURE LINE) BLK WIRE BLK/WHT WIRE BLOWER FUSE BLOWER MOTOR (UNDER RIGHT SIDE OF DASH) BLOWER MOTOR CONTROL SWITCH BLOWER MOTOR RELAY BLOWER MOTOR RESISTOR ASSEMBLY (ON HVAC MODULE, NEAR BLOWER MOTOR) BRN WIRE BRN/WHT WIRE CLASS 2 SER DATA CLASS 2 SERIAL DATA DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE FRT DEF GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES A/C COMP FUSE HOT IN HOT IN RUN OR START IGN E FUSE HTR A/C FUSE HVAC 1 FUSE HVAC CONTROL MODULE (BEHIND CENTER OF DASH) HVAC/ ECAS FUSE I/P RELAY BLOCK (LEFT SIDE OF DASH) INST LAMP DIM CTRL GROUND LEFT I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) LEFT TEMP CONTROL LOGIC LOW REF LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE MODE CONTROL MODE DOOR CTRL MODE DOOR CTRL IGN 3 LOW REF B(+) OFF OFF BLOW MT CTRL LO PRESS SENS SIG RT TEMP DOOR CTRL LT TEMP DOOR CTRL ORG/ WIRE POWERTRAIN CONTROL MODULE OR ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) PPL RECIR DOOR CTRL RT TEMP DOOR CTRL LT TEMP DOOR CTRL RECIRC SWITCH RED WIRE RED/BLK WIRE RIGHT I/P FUSE BLOCK (LOWER RIGHT SIDE OF DASH) RIGHT TEMP CONTROL RUN WIRE TAN WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT, NEAR BATTERY) WHT WIRE WHT/BLK WIRE YEL WIRE

AUXILIARY BATTERY RELAY BLK WIRE BLK/WHT WIRE BODY RELAY BLOCK (UNDER LEFT SIDE OF DASH) BRN WIRE DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) DK GRN WIRE DSL(ECM) GAS (PCM) ELECTRONIC BRAKE CONTROL MODULE (ON LEFT SIDE OF INNER FRAME) FRONT AXLE ACTUATOR FUSE GRY WIRE GRY/BLK WIRE HOT IN HOT IN RUN, START INSTRUMENT PANEL CLUSTER LAMP LEFT I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) LOGIC LT BLU WIRE MODULE (DIESEL) (LEFT FRONT OF ENGINE COMPT) PNK WIRE POWERTRAIN CONTROL MODULE (GAS ENGINES) OR ENGINE CONTROL PPL RUN WIRE SPLICE PACK TRANSFER CASE SHIFT SWITCH (LEFT FRONT OF TRANSFER CASE) TRANSMISSION CONTROL MODULE (W/ ALLISON TRANS) (LEFT FRONT OF ENGINE COMPT) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT, NEAR BATTERY)

2-HI IND 2-HI IND CHANNEL-P CHANNEL-C CHANNEL-B CHANNEL-A CLASS II DATA IGN 3 (RUN) 4-HI IND 4-LO IND ATC FUSE AUXILIARY BATTERY RELAY B+ MOTOR (CCW) MOTOR (CW) GND BLK WIRE BLK/WHT WIRE BODY RELAY BLOCK (UNDER LEFT SIDE OF DASH) BRN WIRE BRN/WHT WIRE CTRL DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DSL (ECM) GAS (PCM) ENCODER LOGIC ENCODER MOTOR ENCODER RTN FRONT AXLE ACTUATOR FUSE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN HOT IN RUN, START ILLUMINATION LAMP (2) INSTRUMENT PANEL CLUSTER LAMP LEFT I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) LOGIC LT BLU WIRE LT GRN/BLK WIRE MODULE GND 4-LO IND 4-HI IND NEUTRAL IND FT AXLE CTRL NCA WIRE NEUTRAL IND ORG/ WIRE PNK WIRE PPL PPL/WHT WIRE RED WIRE RED/WHT WIRE REF RUN WIRE SHIFT MOTOR SOLID STATE SPLICE PACK TAN/BLK WIRE TRANSFER CASE SHIFT CONTROL MODULE (BEHIND HEADLAMP SWITCH) TRANSFER CASE SHIFT CONTROL SWITCH UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT, NEAR BATTERY) YEL/BLK WIRE

BASE BATTERY SERIAL DATA GROUND BLK WIRE BLK/WHT WIRE BLU WIRE BODY RELAY BLOCK BODY RELAY BLOCK (LEFT SIDE OF DASH, NEAR KICK PANEL) BRN WIRE CRUISE FUSE DK BLU WIRE DK GRN WIRE DOOR JAMB SW IN DRIVER MINI WEDGE SWITCH DRIVER POWER WINDOW/ DOOR LOCK SWITCH EXTERIOR LIGHTS FUSE BLOCK GRY WIRE HDLMP RLY CNTRL PARK LIGHTS IN KEY IN IGN HEADLAMP SWITCH HOT AT ALL TIMES UNDERHOOD FUSE BLOCK TBC FUSE HOT IN RUN HOT IN RUN OR START HOT WITH PARK LIGHTS ON IGN 1 FUSE IGNITION KEY ALARM SWITCH INSTRUMENT CLUSTER INSTRUMENT PANEL CLUSTER (IPC) INT PRK FUSE LEFT I/P FUSE BLOCK LOGIC LT BLU WIRE LT GRN WIRE NCA WIRE ORG/ WIRE PARK BRAKE SWITCH PNK IGNITION 1 IGNITION 3 SEAT BELT INPUT PARK BRAKE SW WIRE PNK WIRE POWERTRAIN CONTROL MODULE (PCM) (LEFT FRONT OF ENGINE COMPARTMENT) RIGHT TURN INPUT LEFT TURN INPUT GROUND SEAT BELT IND SEAT BELT SWITCH (ON DRIVER'S SEAT BELT BUCKLE) TAN WIRE TURN SIGNAL/ MULITFUNCTION SWITCH UNDERHOOD FUSE BLOCK WHT WIRE

ACCESSORY VOLTAGE BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (ON LOWER LEFT SIDE OF DASH, BELOW STEERING COLUMN) DK BLU WIRE GROUND LSD HI LO HOT AT ALL TIMES HOT IN RUN AND ACC I/P FUSE BLOCK (ON LOWER LEFT SIDE OF DASH) INSTRUMENT PANEL CLUSTER LO OFF PULSE MIST HI MIST WASH OFF ORG/ WIRE PNK WIRE RED WIRE TAN WIRE TURN SIGNAL/ MULTIFUNCTION SWITCH UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPT) W/S WASH FUSE W/S WASH RELAY W/S WIPER FUSE WASHER FLUID LEVEL SENSOR (IN WASHER FLUID RESERVOIR) (ALL EXCEPT 4.3L BASE) WHT WIRE WINDSHIELD WASHER FLUID PUMP (ON WASHER FLUID RESERVOIR) WINDSHIELD WASHER RELAY CNTRL WINDSHIELD WINDSHIELD WIPER WIPER SWITCH HIGH SIGNAL SIGNAL WINDSHIELD WIPER MOTOR MODULE (UNDER WINDSHIELD COWL, BETWEEN WIPER ARMS) WINDSHIELD WIPER MOTOR PARK SIGNAL WINDSHIELD WIPER/ WASHER SWITCH YEL WIRE