Chevrolet Silverado 1500 (2000-2012) gry/blk Wiring diagrams

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 AIR TMP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 B(+) A/C ON AIR TEMP RF SUNLD AMB AIR TMP GMLAN L AMBIENT AIR TEMPERATURE SENSOR (ON LEFT SIDE OF RADIATOR SUPPORT) AMBIENT LIGHT/SUNLOAD SENSOR ASSEMBLY (TOP CENTER OF DASH) AUTO BATT POS VOLT BLK WIRE BLK/WHT WIRE BREAKOUT) BRN WIRE COLNT LVL GROUND LOW REF COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE ENGINE COOLANT LEVEL SWITCH (6.6L) (ON BOTTOM OF SURGE TANK) EVAPORATOR TEMPERATURE SENSOR (ON HVAC ASSEMBLY) FAN DN FAN UP FRESH AIR FRNT DFG FRT DEF A/C IND FSH AIR GROUND GROUND DISTRIBUTION SYSTEM GROUND IGN 3 REAR DEFOG GRY WIRE GRY/BLK WIRE HVAC CONTROL MODULE INSTRUMENT PANEL CLUSTER (IPC) DRIVER INFORMATION CENTER (DIC) DISPLAY LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LEFT SUNLOAD SENSOR LEFT TEMP CONTROL LF SUNLD L AIR TMP R AIR TMP LOGIC LOW REF LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MODE DN MODE UP MTR SPD CTRL OFF ORG/ WIRE POWER DISTRIBUTION SYSTEM DEFOGGER SYSTEM PPL PPL/WHT WIRE R AIR TMP AIR TMP R AIR TMP TEMP SENS MODE CTRL L AIR TMP RECIR CTRL R AIR TMP REAR DFG RECIR RECIRC RED WIRE RED/WHT WIRE RER DEF RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) RIGHT SUNLOAD SENSOR RIGHT TEMP CONTROL SERIAL DATA TAN WIRE UPPER LEFT AIR TEMPERATURE SENSOR (UNDER UPPER LEFT SIDE OF DASH) UPPER RIGHT AIR TEMPERATURE SENSOR (UNDER UPPER RIGHT SIDE OF DASH) WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

19 14 69 71 RLY SPD SIG 22 21 4 58 40 24 30 46 LOW REF ECT SENS SIG 6.0L 6.6L 4.8L, 5.3L,, 6.2L 4.3L A/C CMPRSR FUSE 17 (EXCEPT 6.6L) FUSE 16 (6.6L) A/C CMPRSR RELAY BLK WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE COOLING FAN (6.6L) (FRONT CENTER OF ENGINE COMPT) EXCEPT 6.6L 6.6L FROM PWR/TRN RELAY (DIAGRAM 3 OF 3) GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HVAC BATT FUSE 39 HVAC BLWR FUSE 70 HVAC IGN FUSE 55 (EXCEPT 6.6L) FUSE 52 (6.6L) LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE ORG/BLK WIRE PNK WIRE PPL PPL/WHT WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) RLY CTRL RUN/ CRNK RELAY SENS SIG PWRTRN RLY CTRL FAN RLY CTRL FAN RLY CTRL SPD SIG LOW REF SYSTEM 459 5514 TAN WIRE TAN/BLK WIRE UNDER- HOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

BLK WIRE BRN WIRE COMPRSR RELAY (DIAGRAM 2 OF 3) COOLING FAN DIODE 1 COOLING FAN DIODE 2 DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE EXCEPT 6.0L FAN CNTRL RELAY FAN FUSE 68 FAN HI RELAY FAN LO RELAY FAN RELAY FAN-1 FUSE 60 FAN-2 FUSE 62 GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES LEFT AIR TEMPERATURE ACTUATOR (BOTTOM LEFT OF HVAC MODULE) LOGIC LEFT COOLING FAN (EXCEPT 6.0L) (LEFT FRONT OF ENGINE COMPT) LOGIC LOGIC B+ GND LOWER LEFT AIR TEMPERATURE SENSOR (LEFT SIDE OF HVAC MODULE) LOWER RIGHT AIR TEMPERATURE SENSOR (LOWER LEFT OF HVAC MODULE) LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE MODE ACTUATOR (LEFT END OF HVAC MODULE) ORG/BLK WIRE PPL PWR/ TRN RELAY RECIRCULATION ACTUATOR (TOP RIGHT SIDE OF HVAC MODULE) RIGHT AIR TEMPERATURE ACTUATOR (TOP MIDDLE OF HVAC MODULE) LOGIC RIGHT COOLING FAN (RIGHT FRONT OF ENGINE COMPT) TAN WIRE TO A/C UNDER- HOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 AIR TMP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 B(+) 5 VOLT REF AMB AIR TMP GMLAN L A/C COMPRESSOR A/C IND A/C ON A/C REFRIGERANT PRESSURE SENSOR ACCM FUSE 3 AMBIENT AIR TEMPERATURE SENSOR (ON LEFT SIDE OF RADIATOR SUPPORT) AMBIENT LIGHT/SUNLOAD SENSOR ASSEMBLY (TOP CENTER OF DASH) AUTO AUXILIARY FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) B+ GND GMLAN SERIAL BLK WIRE BLK/WHT WIRE CAB HTR PUMP FUSE 4 CAB HTR PUMP RELAY COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DRIVE MOTOR GENERATOR POWER INVERTER MODULE (RIGHT REAR OF ENGINE COMPT) FAN DN FAN UP FRESH AIR FRNT DFG FRT DEF FSH AIR GROUND DISTRIBUTION SYSTEM GROUND IGN 3 REAR DEFOG GROUND LOW REF GRY WIRE GRY/BLK WIRE HEATER COOLANT PUMP HOT AT ALL TIMES HVAC CONTROL MODULE LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LEFT SUNLOAD SENSOR LEFT TEMP CONTROL LF SUNLD L AIR TMP R AIR TMP LOGIC LT BLU WIRE LT BLU/BLK WIRE LT GRN/BLK WIRE MODE DN MODE UP OFF ORG/ WIRE PNK COOLING PUMP RLY CTRL WIRE PNK WIRE POWER DISTRIBUTION SYSTEM DEFOGGER SYSTEM PPL REAR DFG RECIR RECIRC RED/WHT WIRE RER DEF RIGHT SUNLOAD SENSOR RIGHT TEMP CONTROL SENS SIG RF SUNLD TAN WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

35 55 21 37 57 51 72 LOW REF ECT SENS SIG LOW REF 54 41 MED SPD FAN HI SPD FAN PPL A/C LOW PRESSURE SENSOR BATT POS VOLT BLK WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) BRN WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE ENG FUSE 4 ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT) ENGINE COOLANT TEMPERATURE (ECT) SENSOR (ON TOP OF ENGINE) GROUND GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT W/ PWR/TRN RELAY ENERGIZED HVAC BATT FUSE 39 HVAC BLWR FUSE 70 HVAC-IGN FUSE 55 LOW REF LOW SPD FAN LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE MTR SPD CTRL ORG/BLK WIRE PNK WIRE POWER DISTRIBUTION SYSTEM PPL PPL/WHT WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) RLY CTRL RUN/ CRNK RELAY SENS SIG DATA BUS - DATA BUS + TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

AUXILIARY FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) BLK WIRE BRN WIRE DK BLU WIRE DK GRN WIRE FAN 1 FUSE FAN CNTRL RELAY FAN HI RELAY FAN LO RELAY FAN MID 1 RELAY FAN MID 2 RELAY FAN-2 FUSE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES LEFT AIR TEMPERATURE ACTUATOR (BOTTOM LEFT OF HVAC MODULE) LEFT ENGINE COOLING FAN LEFT ENGINE COOLING FAN RESISTOR LOGIC LOWER LEFT AIR TEMPERATURE SENSOR (LEFT SIDE OF HVAC MODULE) LOWER RIGHT AIR TEMPERATURE SENSOR (LOWER LEFT OF HVAC MODULE) LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE MODE ACTUATOR (LEFT END OF HVAC MODULE) PNK WIRE PPL RECIRCULATION ACTUATOR (TOP RIGHT SIDE OF HVAC MODULE) LOGIC RIGHT AIR TEMPERATURE ACTUATOR (TOP MIDDLE OF HVAC MODULE) RIGHT COOLING FAN (RIGHT FRONT OF ENGINE COMPT) RIGHT ENGINE COOLING FAN RESISTOR TAN WIRE WHT/BLK WIRE YEL WIRE

10 20 8 14 15 LF DR SW DR DOOR RF DR SW RR DR SW LR DR SW 2 10 B+ SERIAL DATA 5 1 LP CTRL SPLY VOLT ASSEMBLY (CREW CAB) (REAR OF RIGHT REAR DOOR) BLK WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) CENTER HIGH MOUNTED STOP LAMP (CHMSL) COMPUTER DATA LINES SYSTEM COURTESY LP 18 25 SPLY VOLT PPL DEFEAT SW DEF SW DIM FUSE 7 DK BLU/WHT WIRE DK GRN WIRE DOME SW FRONT DOME/ READING LAMPS GRY WIRE GRY/BLK WIRE HEADLAMP, PANEL DIMMER SWITCH HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE OF DASH, IS LPS FUSE 17 LATCH ASSEMBLY LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LEFT REAR DOOR LATCH ASSEMBLY (CREW CAB: REAR OF LEFT REAR DOOR) LEFT VANITY MIRROR LAMP DOME LAMPS LEFT SUNSHADE (IF EQUIPPED) LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE PASSENGER DOOR LATCH ASSEMBLY (REAR OF PASSENGER'S DOOR) PPL 9 12 READING LAMPS REAR DOME/ READING LAMPS (EXTENDED CAB, CREW CAB) RED/WHT WIRE RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) RIGHT REAR DOOR LATCH RIGHT SUNSHADE (IF EQUIPPED) RIGHT VANITY MIRROR LAMP TAN/WHT WIRE VOLT W/ COMFORT, DECOR LEVEL 3 CONVENIENCE PACKAGE W/ ELECTRIC DOOR LOCK W/ POWER WINDOWS W/O COMFORT, DECOR LEVEL 3 CONVENIENCE PACKAGE W/O ELECTRIC DOOR LOCK WHT/BLK WIRE

2 3 4 GMLAN 3 10 B+ GMLAN 4 6 B+ GND SWITCH 5060 262 5942 5925 5927 COMPUTER DATA LINES SYSTEM 5060 5946 1663 COMPUTER DATA LINES SYSTEM 7 9 LCK CNTRL UNLCK CNTRL 9 4 5 7 8 GMLAN SW SIG LOW REF LCK CNTRL UNLCK CNTRL 9 7 8 GMLAN LOCK CNTRL UNLCK CNTRL BCM FUSE 15 BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) COAX COMPUTER DATA LINES SYSTEM DDM FUSE 4 DIM FUSE 7 DK GRN WIRE DRIVER DOOR LOCK/ WINDOW SWITCH DRIVER INFORMATION CENTER (DIC) DISPLAY DSM FUSE 25 GMLAN GROUND DISTRIBUTION SYSTEM GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE OF DASH, INSTRUMENT PANEL CLUSTER (IPC) KEY SWITCH KEYLESS ENTRY ANTENNA LCK 1 FUSE 21 LOCK LOCK ACTUATOR LOCK/ UNLOCK PCB RELAY LOGIC LT BLU WIRE LT GRN WIRE PASSENGER DOOR LATCH ASSEMBLY (REAR OF PASSENGER'S DOOR) PASSENGER DOOR LOCK/ WINDOW SWITCH PDM FUSE 9 POWER DISTRIBUTION SYSTEM PPL RED/WHT WIRE REMOTE CONTROL DOOR LOCK RECEIVER (RCDLR) (TOP REAR OF PASSENGER COMPT) RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) RIGHT REAR DOOR LATCH ASSEMBLY (CREW CAB: REAR OF RIGHT REAR DOOR) SECURITY INDICATOR TAN WIRE UNLCK 1 FUSE 18 UNLOCK DOOR LOCK UNLOCK DOOR LOCK SWITCH 4 6 B+ GND WHT WIRE YEL WIRE

1 2 3 4 9 10 BATTERY (+) BATTERY (+) BATTERY (+) BATTERY (+) GROUND BATTERY (+) 14 15 RIGHT REAR DOOR AJAR SW LEFT REAR DOOR AJAR SW 5 4 13 9 LOW REF LF OPEN SIG LF AJAR SIG LO SPD DATA 9 5 13 LO SPD DATA LOW REF RF AJAR SIG BCM FUSE BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM CREW CAB CTSY FUSE DIM FUSE DK GRN WIRE DOOR) PNK WIRE DRIVER DOOR LATCH ASSEMBLY (IN REAR OF DRIVER FRONT DRIVER DOOR LOCK/ WINDOW SWITCH FRONT DOOR) GRY/BLK WIRE HEAD HEAD OFF AUTO PARK HEADLAMP, PANEL DIMMER SWITCH HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE IS LPS FUSE LEFT REAR DOOR LATCH ASSEMBLY (REAR OF LEFT REAR DOOR) LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE LT STOP TRN FUSE OF DASH) OFF AUTO PARK PARK BRAKE SW SIGNAL PASSENGER DOOR LATCH ASSEMBLY (IN REAR OF PASSENGER PASSENGER DOOR LOCK/ WINDOW SWITCH PNK IGN III WIRE POWER DISTRIBUTION SYSTEM RED/WHT WIRE RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) RIGHT REAR DOOR LATCH ASSEMBLY (REAR OF RIGHT REAR DOOR) RT STOP TRN FUSE STOP LAMPS FUSE TAN WIRE TAN/BLK WIRE TAN/WHT WIRE WHT WIRE YEL WIRE

1 2 3 4 9 10 BATTERY (+) BATTERY (+) BATTERY (+) BATTERY (+) GROUND BATTERY (+) BCM FUSE BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM CREW CAB CTSY FUSE DIM FUSE DK GRN WIRE DRIVER DOOR LATCH ASSEMBLY (REAR OF DRIVER'S DOOR) GRY WIRE GRY/BLK WIRE HEAD HEAD OFF AUTO PARK HEADLAMP, PANEL DIMMER SWITCH HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE I/P FUSE BLOCK (LEFT SIDE OF DASH, IS LPS FUSE LEFT REAR DOOR LATCH ASSEMBLY (REAR OF LEFT REAR DOOR) LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE LT STOP TRN FUSE OF DASH) OFF AUTO PARK PARK BRAKE SW SIGNAL PASSENGER DOOR LATCH ASSEMBLY (REAR OF PASSENGER'S DOOR) PNK IGN III WIRE PNK WIRE POWER DISTRIBUTION RED/WHT WIRE RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) RIGHT REAR DOOR LATCH ASSEMBLY (REAR OF RIGHT REAR DOOR) RT STOP TRN FUSE STOP LAMPS FUSE SYSTEM TAN WIRE TAN/BLK WIRE TAN/WHT WIRE W/ ELECTRIC DOOR LOCK CONTROL W/O ELECTRIC DOOR LOCK CONTROL W/ POWER WINDOWS WHT WIRE