Chevrolet Silverado 3500 (2002-2006) gry Wiring diagrams

1-2 SHIFT SOLENOID 2-3 SHIFT SOLENOID 41 46 54 57 58 59 63 72 74 75 LO REF A/T FLUID PRESSURE MANUAL VALVE POSITION SWITCH AUTOMATIC TRANSMISSION BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH, BELOW STEERING COLUMN) BODY RELAY BLOCK (UNDER LEFT END OF DASH) BRAKE FUSE BRN WIRE BRN/WHT WIRE DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ECMB FUSE EXCEPT LIGHT DUTY FLUID TEMP SENSOR FUSE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN HOT IN RUN, BULB TEST, START HOT IN RUN, START INSTRUMENT CLUSTER INSTRUMENT PANEL CLUSTER (IPC) LEFT I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) LIGHT DUTY LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MALFUNCTION INDICATOR LAMP ORG/ WIRE PARK/NEUTRAL POSITION SWITCH (LEFT SIDE OF TRANSMISSION) PNK PNK WIRE PNK WIRE POWERTRAIN CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) PPL PPL ABS SYSTEM PPL DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) PPL PPL PPL/WHT WIRE PRESS CTRL SOLENOID RED WIRE RED/BLK WIRE REV, LO RUN WIRE SENS GND B+ CLS 2 DATA CLS 2 DATA SENS GND PRND B ECT SIG IGN SPLICE PACK STOPLIGHT SWITCH (TOP OF BRAKE PEDAL BRACKET) TCC PWM SOLENOID TRANSFER CASE) (ON TRANSMISSION) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT, NEAR BATTERY) VSS ADAPTER W/ TRACTION ASSIST W/O TRACTION ASSIST WHT WIRE YEL WIRE YEL/BLK WIRE

5.3L W/DUAL BATTERIES AUXILIARY BATTERY RELAY (RIGHT REAR OF ENG COMPT) BATTERY BLK WIRE BLK/WHT WIRE BRN WIRE CHARGE INDICATOR CONTROL COMPUTER DATA LINES DK BLU WIRE DK GRN WIRE FUSIBLE LINK FUSIBLE LINK (8.1L ONLY) GENERATOR B+ GENERATOR FIELD DUTY CYCLE SIGNAL GROUND GRY WIRE HOT IN RUN, START I/P RELAY BLOCK (BELOW LEFT SIDE OF DASH, LEFT OF STEERING COLUMN) IGN 1 VOLT IGN E FUSE INSTRUMENT PANEL CLUSTER IPC CLASS 2 SERIAL DATA LEFT BATTERY LOGIG PNK WIRE POWER DISTRIBUTION SYSTEM RED WIRE RIGHT BATTERY RIGHT BATTERY (W/AUX BATTERY) SEO IGN FUSE SERIAL DATA CLASS 2 SPLICE PACK STARTER SOLENOID SUPPLEMENTAL BRAKE ASSIST (SBA) PUMP MOTOR (MOUNTED TO POWER BRAKE BOOSTER) UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENG COMPT, NEAR BATTERY) W/ SEO W/AUX BATTERY W/O SEO

10 12 PNK WIRE 16 5 PNK WIRE 8 7 PNK WIRE AIR TEMP SENSOR AIRBAG FUSE AMBIENT PHOTO SENSOR BACK UP LAMP VOLTAGE OUTPUT BACK UP VOLTAGE BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (ON LOWER LEFT SIDE OF DASH, BELOW STEERING COLUMN) BODY RELAY BLOCK COMPASS COMPUTER DATA LINES SYSTEM DK GRN/WHT WIRE DRIVER DOOR MODULE (DDM) (IN DRIVER'S DOOR) DRIVER OUTSIDE REARVIEW MIRROR ELECTROCHROMIC MIRROR EXTERIOR LIGHTS SYSTEM (BACK-UP CIRCUIT) GROUND GRY WIRE HOT IN RUN, START IGN 3 INSIDE REARVIEW MIRROR LEFT I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) LOW REF LOW REF MIR SIGNAL LT GRN WIRE OUTSIDE AIR TEMPERATURE SENSOR (AT CENTER OF CORE SUPPORT, BEHIND GRILLE) PNK WIRE RR LIGHT PHOTO SENSOR SELECTOR SWITCH SERIAL DATA TEMP UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) YEL WIRE

1 14 26 SUPPLY VOLTAGE SUPPLY VOLTAGE LOW REF BACK ONLY IND BACK ONLY INDICATOR BACK ONLY SELECT BACK, CUSHION SELECT BATT + BCK, CSH SELECT BLK WIRE BLU WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DDM FUSE DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK LT DRIVER BACK HEATED SEAT ELEMENT DRIVER CUSHION HEATED SEAT ELEMENT DRIVER DOOR MODULE FRONT PASSENGER BACK HEATED SEAT ELEMENT FRONT PASSENGER CUSHION HEATED SEAT ELEMENT FRONT PASSENGER DOOR MODULE GRN WIRE GROUND GRY WIRE HI HEAT IND HI HEAT INDICATOR HOT AT ALL TIMES I/P RELAY BLOCK LEFT I/P FUSE BLOCK LOW HEAT IND LOW HEAT INDICATOR LT BLU WIRE LT DOORS CIRCUIT BREAKER LT GRN WIRE MED HEAT IND MED HEAT INDICATOR MEMORY SEAT MODULE (UNDERSIDE OF LEFT FRONT SEAT) MEMORY/HEATED SEAT SWITCH ORG/ WIRE PDM FUSE PNK WIRE PPL RED WIRE RED/WHT WIRE RIGHT I/P FUSE BLOCK RT DOORS CIRCUIT BREAKER SEATS CIRCUIT BREAKER SERIAL DATA SWITCH POWER TAN WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

4 5 RF + GROUND 6 7 8 9 10 DIMMER I/P LAMP ANTENNA BLK WIRE BRN WIRE DK BLU WIRE DK GRN WIRE GRY WIRE HOT AT ALL TIMES HOT WITH RAP RELAY ENERGIZED IGNITION BATTERY LEFT FRONT DOOR SPEAKER LEFT I/P FUSE BLOCK (ON LOWER LEFT SIDE OF DASH) LEFT REAR SPEAKER LF+ LR (-) LT BLU WIRE LT GRN WIRE NCA WIRE ORG/ WIRE RADIO RADIO FUSE RDO I FUSE RF+ RIGHT FRONT DOOR SPEAKER RIGHT REAR SPEAKER RR (-) TAN WIRE UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) YEL WIRE

4 5 RF + GROUND 6 7 8 9 10 DIMMER I/P LAMP ANTENNA BLK WIRE BODY RELAY BLOCK BRN WIRE DATA LINK CONNECTOR DK BLU WIRE DK GRN WIRE GRY WIRE HOT AT ALL TIMES HOT WITH RAP RELAY ENERGIZED IGNITION BATTERY LEFT FRONT DOOR SPEAKER LEFT I/P FUSE BLOCK (ON LOWER LEFT SIDE OF DASH) LEFT REAR DOOR SPEAKER LF+ LR (-) LT BLU WIRE LT GRN WIRE NCA WIRE ORG/ WIRE RADIO RADIO FUSE RDO I FUSE RF+ RIGHT FRONT DOOR SPEAKER RIGHT REAR DOOR SPEAKER RR (-) SERIAL DATA TAN WIRE UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) YEL WIRE

19 20 LR - LR + 4 5 6 7 8 9 10 RF + GROUND DIMMER I/P LAMP ANTENNA BARE BLK WIRE BLK/WHT WIRE BODY JUNCTION BLOCK (NEAR LEFT KICK PANEL) BODY RELAY BLOCK BRN WIRE BRN/WHT WIRE CD PLAYER- REMOTE PLAY- BACK DEVICE CRUISE CONTROL MODULE DATA LINK CONNECTOR DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT WITH RAP RELAY ENERGIZED IGNITION BATTERY INSTRUMENT CLUSTER LEFT FRONT DOOR SPEAKER LEFT I/P FUSE BLOCK (ON LOWER LEFT SIDE OF DASH) LEFT REAR DOOR SPEAKER (CREW CAB) LEFT REAR SPEAKER (EXCEPT CREW CAB) LF+ LT BLU WIRE LT GRN WIRE NCA WIRE ORG/ WIRE POWERTRAIN CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) RADIO RADIO FUSE RADIO ON SIG DIM SIG IN DRAIN RT OUTPUT RDO I FUSE RF+ RIGHT FRONT DOOR SPEAKER RIGHT REAR DOOR SPEAKER (CREW CAB) RIGHT REAR SPEAKER (EXCEPT CREW CAB) RR (-) SERIAL DATA VSS SIGNAL RR - TAN WIRE UNDERHOOD JUNCTION BLOCK (ON LEFT SIDE OF ENGINE COMPT) VEHICLE INTERFACE UNIT (IN THE RIGHT SIDE OF I/P NEAR THE INSTRUMENT CLUSTER) VSS SIGNAL YEL WIRE

19 20 LR - LR + 4 5 6 7 8 9 10 RF + GROUND DIMMER I/P LAMP ANTENNA BARE BLK WIRE BLK/WHT WIRE BODY JUNCTION BLOCK (NEAR LEFT KICK PANEL) BODY RELAY BLOCK BRN WIRE BRN/WHT WIRE CD PLAYER- REMOTE PLAY- BACK DEVICE CRUISE CONTROL MODULE DATA LINK CONNECTOR (ON LEFT LOWER DASH BELOW THE STEERING COLUMN) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT WITH RAP RELAY ENERGIZED IGNITION BATTERY INSTRUMENT CLUSTER LEFT FRONT DOOR SPEAKER LEFT I/P FUSE BLOCK (ON LOWER LEFT SIDE OF DASH) LEFT REAR DOOR SPEAKER (CREW CAB) LEFT REAR SPEAKER (EXCEPT CREW CAB) LF+ LT BLU WIRE LT GRN WIRE NCA WIRE ORG/ WIRE POWERTRAIN CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) RADIO RADIO FUSE RDO I FUSE RF+ RIGHT FRONT DOOR SPEAKER RIGHT REAR DOOR SPEAKER (CREW CAB) RIGHT REAR SPEAKER (EXCEPT CREW CAB) RR (-) SERIAL DATA VSS SIGNAL RR - TAN WIRE UNDERHOOD JUNCTION BLOCK (ON LEFT SIDE OF ENGINE COMPT) VSS SIGNAL YEL WIRE

AIR BAG FUSE AIR BAG INDICATOR BLK WIRE BLK/WHT WIRE DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE FUSE BLOCK (ON LOWER LEFT SIDE OF DASH) GROUND GRY WIRE HIGH CONTROL CLASS 2 SERIAL DATA HIGH CONTROL LOW CONTROL LOW CONTROL INDICATOR CONTROL DISABLE SIGNAL PNK WIRE HOT IN RUN, START IGN 1 FUSE IGNITION INFLATABLE RESTRAINT I/P MODULE INFLATABLE RESTRAINT I/P MODULE DISABLE SWITCH INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (UNDER DRIVER'S SEAT) INFLATABLE RESTRAINT STEERING WHEEL MODULE INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL INSTRUMENT PANEL CLUSTER (IPC) JUNCTION BLOCK-BODY (UNDER LEFT SIDE OF DASH, NEAR LEFT KICK PANEL) NCA WIRE OFF ON OFF PNK WIRE PNK WIRE PPL 1132 PPL/WHT WIRE SENSOR SIGNAL SENSOR GROUND SHORTING BAR SOLID STATE SPLICE PACK 205 TAN/BLK WIRE 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)