GMC Sierra 2500 HD (2002-2012) gry/blk Wiring diagrams

2-HI IND 4-HI IND 4-LO IND 5 VOLT REF INCRMT ENCODER SIG 6.0L (VIN G) 7475 7476 1693 1566 1565 PPL ACCY WAKEUP SRL DATA ASSEMBLY AUX HVAC-IGN FUSE 48 FUSE 45 AXLE ACTR CTRL AXLE SW SIG GMLAN BUS - GMLAN BUS + IGN 1 VOLT BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) BRN WIRE COMPUTER DATA LINES SYSTEM DIRTN SIG DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE FRONT AXLE ACTUATOR FUSE 19 FUSE 13 GAS GAS DIESEL GMLAN BUS - GMLAN BUS + INCRMT ENCODER SIG GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT W/ RUN/CRNK RELAY ENERGIZED HOT W/ RUN/CRNK RELAY ENERGIZED UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) IGN INSTRUMENT PANEL CLUSTER (IPC) LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LO REF SW SIG 4 HI IND CTRL 4 LO IND CTRL LOGIC LOW REF LT BLU WIRE LT GRN/BLK WIRE LT GRN/DK BLU WIRE MISC IGN FUSE 43 FUSE 40 MTR CTRL B MTR CTRL A BATT + GND NEUTRAL IND NEUTRAL IND CTRL 2 HI IND CTRL ORG/ WIRE PNK WIRE POWER DISTRIBUTION SYSTEM PPL PPL/WHT WIRE PULSE SIG RED/BLK WIRE RIGHT I/P JUNCTION BLOCK SER DATA SHIFT MOTOR TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRANSFER CASE ENCODER MOTOR (ON TRANSFER CASE) TRANSFER CASE SHIFT CONTROL MODULE (LOWER LEFT SIDE OF DASH) TRANSFER CASE SHIFT CONTROL SWITCH (ON TOP LEFT OF TRANSFER CASE) TREC FUSE 67 FUSE 62 WHT WIRE WHT/GRN WIRE WIPER/WASHER SYSTEM YEL WIRE

4.3L 6.0L (VIN G) AUX HVAC-IGN FUSE 48 FUSE 45 AXLE SW SIG BLK WIRE BLK/WHT WIRE COMPUTER DATA LINES SYSTEM DK GRN WIRE FRONT AXLE ACTUATOR (ON FRONT AXLE ASSEMBLY) GAS DIESEL GMLAN BUS- GROUND DISTRIBUTION SYSTEM 6.0L (VIN G) 4.8L, 5.3L, 6.0L (VIN J) 6.6L 4.3L, 6.2L GRY/BLK WIRE HOT W/ RUN/CRNK RELAY ENERGIZED IGN GND INSTRUMENT PANEL CLUSTER (IPC) LOGIC PNK WIRE SER DATA TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRANS IGN 1 FUSE 19 FUSE 13 TRANSFER CASE SHIFT CONTROL SWITCH (ON TOP LEFT OF TRANSFER CASE) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WHT WIRE

2501 2500 976 COMPUTER DATA LINES SYSTEM BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CUT) DK BLU WIRE DK BLU/WHT WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD) FUSE 49 GRY WIRE GRY/BLK WIRE HI SPD GMLAN SERIAL DATA HI SPD SERIAL DATA - HI SPD SERIAL DATA + LOW REF HI SPD SERIAL DATA - HI SPD SERIAL DATA + LOW REFERENCE HOT AT ALL TIMES HOT W/ RUN/CRNK RELAY ENERGIZED LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LT BLU WIRE LT BLU/WHT WIRE MISC IGN FUSE 40 MODE SELECT A PTO REMOTE SW SET SIG PTO RELAY COIL CTRL PTO SW INDICATOR CTRL PNK WIRE POWER TAKE OFF (PTO) PROVISION (BLUNT POWER TAKE OFF (PTO) RELAY POWER TAKE OFF (PTO) SWITCH POWER TAKE OFF MODULE (PTO) (OUTSIDE OF RIGHT FRONT CHASSIS FRAME) PPL PPL/WHT WIRE PTO FUSE 44 RED/ WHT WIRE RED/WHT WIRE REMOTE MODE ENABLE SIG PTO ENGAGE SIG PTO RLY ENGAGE SIG RES+ SERIAL DATA ENABLE SET OFF SHUTDOWN SIGNAL TAN WIRE TAN/BLK WIRE TCC BRAKE SIGNAL UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WHT RED/ WIRE WHT WIRE YEL WIRE

18 25 COURTESY LP SPLY VOLT PPL DEFEAT SW 2 10 B+ SERIAL DATA 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 DEF SW DIM FUSE 7 DK BLU/WHT WIRE DK GRN WIRE DOME SW EXCEPT HYBRID 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) LF DR AJAR SW SIG DR DOOR RF DR AJAR 10 20 8 14 15 LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE PASSENGER DOOR LATCH ASSEMBLY (IN 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 SW SIG RR DR AJAR SW SIG LR DR AJAR SW SIG 5 1 LP CTRL SPLY VOLT 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 10 B+ SERIAL DATA 5 13 9 LOW REF SW SIG SER DATA 6 4 GND B+ 9 12 PPL 9 5 4 13 SER DATA LOW REF SW SIG SW SIG 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 SPLY VOLT COURTESY LP 18 25 SPLY VOLT PPL DEFEAT SW DDM FUSE 4 DEF SW DIM FUSE 7 DK BLU/WHT WIRE DK GRN WIRE DOME LAMP DOME SW DRIVER DOOR LATCH ASSEMBLY (IN REAR OF DRIVER'S FRONTDOOR) DRIVER DOOR LOCK/WINDOW SWITCH 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 LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LEFT REAR DOOR LATCH ASSEMBLY (CREW CAB: REAR OF LEFT REAR DOOR) LEFT SUNSHADE (IF EQUIPPED) LEFT VANITY MIRROR LAMP LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE PASSENGER DOOR LATCH ASSEMBLY (IN REAR OF PASSENGER'S FRONT DOOR) PASSENGER DOOR LOCK/WINDOW SWITCH PDM FUSE 9 POWER DISTRIBUTION SYSTEM READING LAMPS REAR DOME/ READING LAMPS (EXTENDED CAB, CREW CAB) RED/WHT WIRE RIGHT REAR DOOR LATCH RIGHT SUNSHADE (IF EQUIPPED) RIGHT VANITY MIRROR LAMP RR DR AJAR 14 15 SW SIG LR DR AJAR SW SIG 5 1 COURTESY LP CTRL VOLT TAN/WHT WIRE W/ COMFORT, DECOR LEVEL 3 CONVENIENCE PACKAGE W/ INDIVIDUAL FRONT SEAT, POWER MIRROR W/O COMFORT, DECOR LEVEL 3 CONVENIENCE PACKAGE WHT/BLK WIRE YEL WIRE

2 3 4 GMLAN 3 10 B+ GMLAN 4 6 B+ GND 4 6 B+ LOCK GND 7 9 LCK CNTRL UNLCK CNTRL 9 4 5 7 8 GMLAN SW SIG LOW REF LCK CNTRL PPL UNLCK CNTRL 9 7 8 GMLAN LCK CNTRL UNLCK CNTRL UNLOCK 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 SWITCH DRIVER DOOR LOCK/ WINDOW SWITCH DSM FUSE 25 GMLAN DRIVER INFORMATION CENTER (DIC) DISPLAY 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 PACKAGE PASSENGER DOOR LOCK SWITCH 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 LOGIC TAN WIRE UNLCK 1 FUSE 18 UNLOCK W/ COMFORT, DECOR LEVEL 3 CONVENIENCE WHT WIRE YEL WIRE

1 2 3 4 9 10 BATTERY (+) BATTERY (+) BATTERY (+) BATTERY (+) GROUND BATTERY (+) BCM FUSE 15 BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM CREW CAB CTSY FUSE 5 DIM FUSE 7 DK GRN WIRE DRIVER DOOR LATCH ASSEMBLY (REAR OF DRIVER'S DOOR) GRN WIRE GRY WIRE GRY/BLK WIRE HEAD HEAD OFF AUTO PARK HEADLAMP, PANEL DIMMER SWITCH HOT AT ALL TIMES HYBRID EXCEPT HYBRID I/P FUSE BLOCK (LEFT SIDE I/P FUSE BLOCK (LEFT SIDE OF DASH, IGN IS LPS FUSE 17 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 6 OF DASH) OFF AUTO PARK PARK BRAKE SW SIGNAL PASSENGER DOOR LATCH ASSEMBLY (REAR OF PASSENGER'S DOOR) PNK/BLK 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 8 STOP LAMPS FUSE 12 SYSTEM TAN WIRE TAN/BLK WIRE TAN/WHT WIRE W/ ELECTRONIC DOOR LOCK CONTROL W/O ELECTRONIC DOOR LOCK CONTROL W/ POWER WINDOWS WHT 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 15 BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM CREW CAB CTSY FUSE 5 DIM FUSE 7 DK GRN WIRE DOOR DRIVER DOOR LATCH ASSEMBLY (REAR OF DRIVER'S DRIVER DOOR LOCK/ WINDOW SWITCH GRY/BLK WIRE HEAD HEAD OFF AUTO PARK HEADLAMP, PANEL DIMMER SWITCH HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE IGN IS LPS FUSE 17 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 6 OF DASH) OFF AUTO PARK PARK BRAKE SW SIGNAL PASSENGER DOOR LATCH ASSEMBLY (REAR OF PASSENGER'S PASSENGER DOOR LOCK/ WINDOW SWITCH PNK/BLK 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 8 STOP LAMPS FUSE 12 TAN WIRE TAN/BLK WIRE TAN/WHT WIRE WHT WIRE YEL WIRE

1271 3202 5991 LOW REF LOW REF PWTN RLY CTRL 2500 1272 2760 COMPUTER DATA LINES SYSTEM PPL 5 VOLT REF 3 5985 439 440 COMPUTER DATA LINES SYSTEM PNK WIRE AIR CONDITIONING SYSTEM AIR CONDITIONING SYSTEM AIR CONDITIONING SYSTEM STARTING/CHARGING SYSTEM ANTI-LOCK BRAKES SYSTEM VEHICLE SPD SIG APP SENS 1 SIG INLET PRESS SENS SIG A/C SENS SIG LOW REF FP RLY CTRL APP SENS 2 SIG MAF SENS SIG AXLE SW SIG BLK WIRE BLK/WHT WIRE BRAKE SW SIG PARK/NEUTRAL SIG EXTERIOR LIGHTS SYSTEM TRANSMISSIONS SYSTEM BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM HIGH SPD DATA BUS - DK BLU WIRE DK GRN/WHT WIRE ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD) EVAP VENT SOL CTRL FUEL PMP RELAY FUEL PUMP FUSE 20 GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HOT AT ALL TIMES IAT SENS SIG LT BLU WIRE LT BLU/WHT WIRE MIL CTRL AIR CONDITIONING SYSTEM COMPR CLTCH RLY CTRL OF ENGINE COMPT) ORG/BLK WIRE PNK WIRE POWER SUPPLAY) (ON POSITIVE BATTERY TERMINAL) PPL RED/BLK WIRE RED/WHT WIRE STARTING/CHARGING SYSTEM CHARGE IND SIG TAN WIRE TAN/BLK WIRE TAN/WHT WIRE THROTTLE INLET ABSOLUTE PRESSURE SENSOR (ON THROTTLE BODY) TRANSMISSIONS SYSTEM TRANSMISSIONS SYSTEM UNDERHOOD FUSE BLOCK (LEFT SIDE UNDERHOOD FUSE HOLDER WAKEUP SERIAL DATA IGNITION 1 VOLT B+ VOLT WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/WHT WIRE

BLK WIRE BRN WIRE BRN/WHT WIRE CKP SIG DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE COMPT NEAR FAN SHROUD) ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF GRY WIRE GRY/BLK WIRE GRY/WHT WIRE IC 1 CTRL IC 2 CTRL IC 3 CTRL IC 4 CTRL IC 5 CTRL IC 6 CTRL IC 7 CTRL IC 8 CTRL IGNITION COILS (UPPER LEFT SIDE OF ENGINE) LO REF LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE ORG/WHT WIRE PNK PNK WIRE PNK PPL WIRE PNK WIRE PNK/BLK WIRE PPL PPL PNK PNK WIRE PPL/WHT WIRE RED WIRE SPARK PLUG TAN WIRE TAN/WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE