GMC Sierra 3500 HD (2007-2012) red/blk Wiring diagrams

ABS PUMP MOTOR ABS-1 FUSE 61 FUSE 56 ABS-2 FUSE 9 FUSE 8 AGLE SNS A BLK WIRE BLK/WHT WIRE BRK SNS VEH SPD SIG LOW REF BRN WIRE CAN H GND CAN L B+ GMLAN + GMLAN + LOW REF AGLE SNS B AGLE SNS C RR WHL SNS COMPUTER DATA LINES SYSTEM DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ELECTRONIC BRAKE CONTROL MODULE (EBCM) (ON LEFT SIDE OF FRAME ASSEMBLY) GMLAN - GMLAN - PWR BRK H GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HOT AT ALL TIMES LEFT FRONT WHEEL SPEED SENSOR (WSS) (ON LEFT FRONT STEERING KNUCKLE) LEFT REAR WHEEL SPEED SENSOR (WSS) (ON LEFT REAR BRAKE BACKING PLATE) LF WHL SNS COMM DATA LOGIC LR WHL SNS LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PPL/WHT WIRE PWR BRK L ANGLE SNS RADIO RED WIRE RED/BLK WIRE RF WHL SNS RIGHT REAR WHEEL SPEED SENSOR (WSS) (ON RIGHT REAR BRAKE BACKING PLATE) TAN WIRE TAN/BLK WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) W/ LUXURY EDITION W/O LUXURY EDITION EXCEPT 6.6L YEL WIRE YEL/BLK WIRE

12 13 PPL BRK SIG 16 17 19 GMLAN + GMLAN - COMM DATA 6.0L ABS INDICATOR ABS PUMP MOTOR ABS-1 FUSE 61 FUSE 56 B+ GMLAN + GMLAN + BRK SNS BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) BRAKE FLUID LEVEL SWITCH BRAKE INDICATOR COMM DATA VEH SPD SIG COMPUTER DATA LINES SYSTEM DK GRN WIRE DK GRN/WHT WIRE ELECTRONIC BRAKE CONTROL MODULE (EBCM) (ON LEFT SIDE OF FRAME ASSEMBLY) ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD) EXCEPT 6.0L (VIN K) FUEL SYSTEM CONTROL MODULE (FSCM) (UNDER REAR OF VEHICLE) GRY WIRE GRY/WHT WIRE HEAVY DUTY ABS FUSE 59 FUSE 55 HOT AT ALL TIMES UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) INSTRUMENT PANEL CLUSTER (IPC) LEFT FRONT WHEEL SPEED SENSOR (WSS) (ON LEFT FRONT STEERING KNUCKLE) LF WHL SNS LOGIC LOW REF GND GMLAN - GMLAN - VEH SPD SIG LT BLU WIRE NCA WIRE ORG/ WIRE ORG/WHT WIRE PARK BRAKE SWITCH (ON PARK BRAKE PEDAL ASSEMBLY) POWER TAKE OFF (PTO) MODULE (OUTSIDE OF RIGHT FRONT CHASSIS FRAME) PPL PRK BRK SW RADIO RED WIRE RED/BLK WIRE RF WHL SNS RIGHT FRONT WHEEL SPEED SENSOR (WSS) (ON RIGHT FRONT STEERING KNUCKLE) STOP LAMP SWITCH (TOP OF BRAKE PEDAL ASSEMBLY) TAN WIRE TAN/BLK WIRE W/ LUXURY EDITION W/O LUXURY EDITION EXCEPT 6.6L 6.6L 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 CAMPER TRAILER PROVISION (BLUNT CUTS) CENTER HIGH CHMSL FUSE 49 FUSE 46 CHMSL PCB RELAY DK BLU WIRE DK GRN WIRE ELECTRONIC BRAKE CONTROL MODULE (EBCM) (ON LEFT SIDE OF FRAME ASSEMBLY) ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) EXCEPT 6.6L 6.6L EXCEPT HYBRID HYBRID GMC GMC/ CHEVROLET GROUND DISTRIBUTION SYSTEM GRY WIRE HOT AT ALL TIMES HVAC MODULE IPC FUSE 46 FUSE 43 LEFT FRONT SIDE MARKER LAMP LEFT LOWER PARK/ TURN SIGNAL LAMP LEFT UPPER PARK/ TURN SIGNAL LAMP LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT PRK FUSE 26 FUSE 23 MAJ MIN MOUNTED STOP LAMP (CHMSL) ORG/ WIRE PARK LAMP RELAY POWER DISTRIBUTION SYSTEM LEFT I/P JUNCTION BLOCK (LOWER POWER TAKE OFF MODULE (PTO) (IF EQUIPPED) (OUTSIDE OF RIGHT FRONT CHASSIS FRAME) RED/BLK WIRE RED/WHT WIRE RT PRK FUSE 27 FUSE 24 TRAILER BRAKE CONTROL MODULE (IF EQUIPPED) (LEFT REAR FRAME RAIL) TRAILER TOW CIRCUIT TRLR PRK FUSE 25 FUSE 22 UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) W/ ODOMETER SECURITY WHT/BLK WIRE YEL WIRE

BLK WIRE BRN WIRE CHEVROLET DK GRN WIRE FENDER CLEARANCE LAMP FRONT MIDDLE ROOF CLEARANCE LAMP GMC GRD LEFT BACKUP LAMP LEFT FRONT OUTER ROOF CLEARANCE LAMP LEFT FRONT REAR FENDER CLEARANCE LAMP LEFT LICENSE LAMP LEFT LOWER TAIL/ STOP, TURN SIGNAL LAMP LEFT REAR MOST FENDER CLEARANCE LAMP LEFT REAR SIDE MARKER LAMP LEFT UPPER TAIL/ STOP, TURN SIGNAL LAMP LEFT GMC BACKUP LAMP MJR MNR NCA WIRE POWER DISTRIBUTION SYSTEM REAR LAMPS JUNCTION BLOCK REAR LAMPS JUNCTION BLOCK (INSIDE OF LEFT REAR FRAME RAIL) RED/BLK WIRE RIGHT BACKUP LAMP RIGHT FRONT OUTER ROOF CLEARANCE LAMP RIGHT FRONT REAR FENDER CLEARANCE LAMP RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) RIGHT LICENSE LAMP RIGHT LOWER TAIL/ STOP, TURN SIGNAL LAMP RIGHT REAR MOST RIGHT REAR SIDE MARKER LAMP RIGHT UPPER TAIL/ STOP, TURN SIGNAL LAMP TAILGATE MARKER LAMP W/ ODOMETER SECURITY W/ REAR DUAL WHEEL W/ RERAR DUAL WHEEL W/ TRAILER BRAKE YEL WIRE

193 735 1050 DEFOGGER SYSTEM A/C CMPRSR FUSE 17 (EXCEPT 6.6L) FUSE 16 (6.6L) A/C CMPRSR RELAY A/C IND A/C ON AMBIENT AIR TEMPERATURE SENSOR BATT POS VOLT BLK WIRE BLK/WHT WIRE COLNT LVL COMPUTER DATA LINES SYSTEM DFRST VAL FRH AIR BLWR SPD FRESH AIR DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE COOLANT LEVEL SWITCH (6.6L) (ON BOTTOM OF SURGE TANK) EVAPORATOR TEMPERATURE SENSOR (ON HVAC ASSEMBLY) FROM PWR/TRN RELAY (DIAGRAM 3 OF 3) GROUND GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HVAC BATT FUSE 39 (EXCEPT 6.6L) FUSE 36 (6.6L) HVAC BLWR FUSE 70 (EXCEPT 6.6L) FUSE 65 (6.6L) HVAC IGN FUSE 55 (EXCEPT 6.6L) FUSE 52 (6.6L) INTERIOR LIGHTS SYSTEM POWER DISTRIBUTION SYSTEM 6817 300 1851 3340 5060 LED CNTL IGN 3 GROUND B(+) GMLAN L LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LO REF RECIRC LOW REF LT GRN WIRE LT GRN/BLK WIRE MODE LOGIC SWITCH HVAC CONTROL MODULE MTR SPD CTRL ORG/ WIRE PNK WIRE PPL PPL/WHT WIRE R AIR TMP SENS SIG MODE CTRL BLOWER MOTOR CONTROL SWITCH REAR DEFOG TEMP SENS GROUND REAR DFG RECIR RECIR CTRL R AIR TMP LOW REF LOW REF RED WIRE RED/BLK WIRE RED/WHT WIRE RER DEF 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) RUN/ CRNK RELAY TAN WIRE TEMPERATURE CONTROL SWITCH UNDER- HOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

BLK WIRE BRN WIRE COOLING FAN DIODE 1 COOLING FAN DIODE 2 DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE EXCEPT 6.0L FAN CNTRL RELAY FAN LO RELAY FAN-1 FUSE 60 FAN-2 FUSE 62 GRY WIRE GRY/BLK WIRE HI FAN RELAY HOT AT ALL TIMES LEFT COOLING FAN (LEFT FRONT OF ENGINE COMPT) LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE PNK WIRE PPL/WHT WIRE PWR/ TRN RELAY RED WIRE RED/BLK WIRE RIGHT COOLING FAN (RIGHT FRONT OF ENGINE COMPT) RIGHT I/P JUNCTION BLOCK (IN RIGHT END OF DASH) RLY CTRL TAN WIRE UNDER- HOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

6.6L EXCEPT 6.6L, 4.3L 4.3L BLK WIRE EXCEPT 6.6L 6.6L LOGIC HVAC CONTROL MODULE MANUAL A/C AUTOMATIC A/C POWER DISTRIBUTION SYSTEM PPL REAR DEFOG FUSE 50 FUSE 47 REAR DEFOG RELAY REAR DEFOGGER IND REAR DEFOGGER SWITCH REAR WINDOW DEFOGGER GRID RED WIRE RED/BLK WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WHT WIRE

2501 2500 7631 944 COMPUTER DATA LINES SYSTEM 2501 2500 COMPUTER DATA LINES SYSTEM B+ RLY ENABLE BLK RED/ WIRE BLK WIRE BRN WIRE COMM DATA COMPUTER DATA LINES SYSTEM DK BLU WIRE EXCEPT 10 SERIES EXCEPT 10 SERIES 10 SERIES EXCEPT 6.6L 6.6L W/O 10 SERIES FSCM FUSE 21 GMLAN - GMLAN + GMLAN - GMLAN + LOW REF RLY FEEDBACK HOT AT ALL TIMES HOT W/ RUN/CRNK RELAY ENERGIZED UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) ITBC FUSE 6 FUSE 19 LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MISC IGN FUSE 43 FUSE 40 PNK WIRE POWER DISTRIBUTION SYSTEM RED WIRE RED/BLK WIRE RED/WHT WIRE STOP LAMP SWITCH (TOP OF BRAKE PEDAL ASSEMBLY) STUD 2 FUSE 63 FUSE 58 TAN WIRE TAN/BLK WIRE TCC BRK SIG TRAILER BRAKE (BLUNT CUT) TRAILER BRAKE CONTROL SWITCH TRAILER CONNECTOR (AT REAR OF VEHICLE) TRAILER) TRL BRK RLY IGN 1 VOLT TRL BRK SIG TRL BRK SIG RLY FEEDBACK W/ HEAVY DUTY TRAILER WHEEL HARNESS TRAILER WHEEL TRAILER CAMPER TRAILER PROVISION (BLUNT CUT) (ON LEFT REAR BODY MOUNT) WHT WIRE YEL WIRE YEL/BLK WIRE

1 2 PNK WIRE 22 23 24 25 PPL AXLE SW SIG BLK WIRE BRN WIRE BRN/WHT WIRE CAMSHAFT POSITION (CMP) SENSOR (FRONT OF ENGINE, ABOVE CRANK PULLEY) CKP SENSOR SIG CRANKSHAFT POSITION (CKP) SENSOR (FRONT OF ENGINE, RIGHT OF CRANK PULLEY) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE EGT SENSOR SIG ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD) FRP SENSOR SIG GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT AT ALL TIMES UNDERHOOD FUSE HOLDER (RIGHT SIDE OF FIREWALL) IGN 1 VOLT INJ 1 INJ 2 INTAKE AIR VALVE LOW REF LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN/BLK WIRE MEGA FUSE NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK 8 9 10 WIRE PNK PNK WIRE PNK WIRE PNK/BLK WIRE POWER DISTRIBUTION SYSTEM PPL PPL/WHT WIRE PTO ENG OFF SIG RED WIRE RED/BLK WIRE RED/WHT WIRE SENS 2 SPLY VOL SIG TAN WIRE TAN/WHT WIRE TCC BRAKE SIG TP SENSOR SIG TRANSMISSIONS SYSTEM WATER IN FUEL WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE