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

A/T ISS SIG LOW VSS SIG LOW A/T SHIFT LEVER ALLISON TRANSMISSION BLK WIRE BLK/WHT WIRE BRAKE FUSE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CRNK FUSE DATA BUS H DATA BUS L DK BLU WIRE DK BLU/BLK WIRE DK GRN WIRE FLD PRESS SW SIG 4 TCC PCS LOW FLD PRESS SW SIG 2 TURB SPEED SW SIG GRD GRD B+ GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN HOT IN RUN, ACC, START I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) IGN 0 FUSE LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MAIN MALFUNC IND LAMP NCA WIRE ORG/ WIRE ORG/WHT WIRE PNK 10 11 12 WIRE PNK 7 8 9 WIRE PNK FLD PRESS SW SIG 1 VSS SIG HIGH WIRE PNK IGN 0 VOLT WIRE PNK PNK PNK WIRE PNK PPL WIRE PNK WIRE PPL PPL CRANK VOLT PPL PPL 1 2 PPL/WHT WIRE PRESS CONTROL SOLE 2 PTO SIG RANGE SW SIG A MAIN PRESS SOLENOID RED WIRE RED/BLK WIRE RUN WIRE SERIAL DATA DATA BUS L SHIFT SOLENOIDS SOLENOIDS STOPLAMP SWITCH (ON BRAKE PEDAL BRACKET) TAN WIRE TAN/WHT WIRE TCC PSC TR SW SIG B TFT SENSOR SIG TR SW SIG C TR SW SIG P TURB SPEED SW UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) TCM B FUSE WHT WIRE YEL WIRE YEL/BLK WIRE

56 39 PNK IGNITION PARK/NEUTRAL SIG WIRE ALLISON TRANSMISSION BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DATA LINK CONNECTOR DK BLU WIRE DK BLU/BLK WIRE DK GRN WIRE ENGINE CONTROLS SYSTEM EXCEPT SEO FUSE GRY WIRE HOT AT ALL TIMES INPUT SPEED SENSOR (IN TRANSMISSION) INSTRUMENT PANEL CLUSTER (IPC) INTERNAL MODE SWITCH IPC/DIC FUSE LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE MALFUNCTION INDICATOR LAMP OF TRANSMISSION) ORG/ WIRE ORG/BLK WIRE P/N PNK 10 11 12 WIRE PNK 7 8 9 WIRE PNK WIRE PNK/BLK WIRE PPL PPL PPL PPL PPL 1 2 PPL/BLK WIRE PPL/WHT WIRE PRESSURE SWITCH MANIFOLD PTO STATUS RED WIRE RED/BLK WIRE SEO SPLICE PACK TAN WIRE TAN/WHT WIRE TFT SENSOR TOW/HAUL SWITCH TRANSFER CASE) TURBINE SPEED SENSOR (IN TRANSMISSION) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) BATTERY) VEHICLE SPEED SENSOR WHT WIRE YEL WIRE YEL/BLK WIRE

A/T ISS SIG LOW VSS SIG LOW A/T SHIFT LEVER ALLISON TRANSMISSION BLK WIRE BLK/WHT WIRE BRAKE FUSE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CRNK FUSE DATA BUS H DATA BUS H DATA BUS L DK BLU WIRE DK BLU/BLK WIRE DK GRN WIRE FLD PRESS SW SIG 4 TCC PCS LOW FLD PRESS SW SIG 2 TURB SPEED SW SIG GRD GRD B+ GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN HOT IN RUN, ACC, START I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) IGN 0 FUSE LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MAIN MALFUNC IND LAMP NCA WIRE ORG/ WIRE ORG/BLK WIRE ORG/WHT WIRE PNK 12 13 14 WIRE PNK FLD PRESS SW SIG 1 VSS SIG HIGH WIRE PNK IGN 0 VOLT WIRE PNK PNK PNK WIRE PNK PPL WIRE PNK WIRE PPL PPL CRANK VOLT TORQUE SIG PPL PPL 1 2 PPL/WHT WIRE PRESS CONTROL SOLE 2 RANGE SW SIG A MAIN PRESS SOLENOID RED WIRE RED/BLK WIRE REQ TORQUE DATA BUS H RUN WIRE SERIAL DATA DATA BUS L SHIFT SOLENOIDS SOLENOIDS STOPLAMP SWITCH (ON BRAKE PEDAL BRACKET) TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TCC PSC TORQUE SIG PTO SIG TR SW SIG B TFT SENSOR SIG TR SW SIG C TR SW SIG P TURB SPEED SW UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) TCM B FUSE WHT WIRE YEL WIRE YEL/BLK WIRE

ALLISON TRANSMISSION BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH) BRN WIRE BRN/WHT WIRE DATA LINK CONNECTOR DK BLU WIRE DK BLU/BLK WIRE DK GRN WIRE ENGINE CONTROLS SYSTEM EXCEPT SEO FUSE GRY WIRE HOT AT ALL TIMES INPUT SPEED SENSOR (IN TRANSMISSION) INSTRUMENT PANEL CLUSTER (IPC) INTERNAL MODE SWITCH IPC/DIC FUSE LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE MALFUNCTION INDICATOR LAMP OF TRANSMISSION) ORG/ WIRE ORG/BLK WIRE P/N PNK 12 13 14 WIRE PNK WIRE PNK/BLK WIRE PPL PPL PPL PPL PPL 1 2 PPL/BLK WIRE PPL/WHT WIRE PRESSURE SWITCH MANIFOLD RED WIRE RED/BLK WIRE SEO SPLICE PACK TAN/BLK WIRE TAN/WHT WIRE TFT SENSOR TOW/HAUL SWITCH TRANSFER CASE) TURBINE SPEED SENSOR (IN TRANSMISSION) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) BATTERY) VEHICLE SPEED SENSOR WHT WIRE YEL WIRE YEL/BLK WIRE

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

1 2 3 4 1140 5060 B+ GMLAN COMPUTER DATA LINES SYSTEM 1 3 4 B+ SNS SIG SNS SIG 14 15 RR AJAR SW LR AJAR SW 18 24 23 HORN RLY PRL LP RLY HDLP RLY 1851 5060 COMPUTER DATA LINES SYSTEM 23 8 20 INTRUS SIG RF DR AJR SW DR KEY SW 28 45 HORNS SYSTEM EXTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM 3 10 B+ GMLAN 3 8 5531 109 PPL HOOD SW SIG HOOD AJAR SW SIG 4 6 B+ GRD ACC V AUXILIARY FUSE BLOCK B+ SNS SIG SNS SIG B+ VOLT GND GMLAN BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) BRN WIRE COAX ANT COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM GMLAN DDM FUSE 4 DIM FUSE 7 BCM FUSE 15 DISTRIBUTION SYSTEM POWER DK BLU WIRE DK GRN WIRE DLIS FUSE 35 FUSE 32 DOOR AJAR INDICATOR DRIVER DOOR LOCK SWITCH DRIVER DOOR LOCK/ WINDOW SWITCH DSM FUSE 25 EXCEPT 6.6L 6.6L 6.0L (VIN J) EXCEPT 6.0L (VIN J) FUSE 52 FUSE 49 GMLAN GROUND DISTRIBUTION (ON RIGHT FRONT CORNER OF HVAC MODULE) SYSTEM GROUND DISTRIBUTION SYSTEM GRY WIRE GRY/BLK WIRE HOOD AJAR SWITCH HOT AT ALL TIMES HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE OF DASH) IGNITION SWITCH INSTRUMENT PANEL CLUSTER (IPC) INTERIOR LIGHTS SYSTEM COMPUTER DATA LINES SYSTEM INTERIOR LIGHTS SYSTEM RF AJAR SW KEYLESS ENTRY ANTENNA LEFT I/P JUNCTION BLOCK (LOWER LEFT SIDE OF DASH) LF AJAR SW LOCK LOGIC LOGIC 4 6 B+ GRD LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE OFF PASSENGER DOOR LOCK/ WINDOW SWITCH PDM FUSE 9 (W/ COMFORT, DECOR LEVEL 3 CONVENIENCE PACKAGE) PNK WIRE PNK/BLK WIRE PNK/WHT WIRE POWER DISTRIBUTION SYSTEM PPL PPL INTRUS SIG PPL SW SIG PPL/ PPL/ 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) RUN WIRE SEC IND SECURITY IND DRIVER INFORMATION CENTER (DIC) DISPLAY SECURITY INDICATOR LAMP SW SIG TAN WIRE TAN/WHT WIRE THEFT DETERRENT CONTROL MODULE (ON RIGHT SIDE OF STEERING COLUMN) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) UNLOCK VEHICLE INCLINATION SENSOR VEHICLE SHOCK SENSOR W/ INDIVIDUAL FRONT SEAT, POWER MIRROR W/ KEYLESS ENTRY, PTO W/ REMOTE KEYLESS ENTRY, PTO YEL WIRE

ACCESSORY WAKEUP SERIAL DATA ANTI-LOCK BRAKES, EXTERIOR LIGHTS SYSTEMS ANTI-THEFT SYSTEM BATTERY BCM FUSE 15 BLK/WHT WIRE BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) COMPUTER DATA LINES SYSTEM CRUISE CONTROL, SEATS SYSTEMS CRUISE CTRL IND DIM SIG CTSY FUSE 5 DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DRL RELAY CTRL EXHAUST BRK SW SIG FOG LAMP RELAY CTRL FRONT FOG LAMP SW SIG/ENABLE GAS DIESEL GROUND GRY WIRE HEADLAMP HI BEAM RELAY CTRL HEADLIGHTS SYSTEM HI SPD GMLAN SERIAL DATA BUS + HOOD AJAR SW SIG HOT AT ALL TIMES I/P FUSE BLOCK (LEFT SIDE OF DASH, I/P LAMP DIMMER SW SIG INDICATOR DIM CTRL INSTRUMENT CLUSTER SYSTEM INTERIOR LIGHTS, EXTERIOR LIGHTS SYSTEMS IPC FUSE 46 FUSE 43 IS LPS FUSE 17 LED BACKLIGHT DIM CTRL LINER INTERCONNECT BUS LO SPD SERIAL DATA LOW REF LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE LT STOP TRN FUSE 6 LT TRLR TURN SIG LAMP ORG/ WIRE ORG/WHT WIRE PNK/BLK WIRE POWER DISTRIBUTION SYSTEM PPL/WHT WIRE RED WIRE RED/WHT WIRE RF TURN SIG LAMP SUPPLY RT STOP TRN FUSE 8 RT TRLR TURN SIG LAMP RUN/CRANK RELAY CTRL SECURITY IND CTRL SERIAL DATA COMM ENABLE STOP LAMPS FUSE 12 STP LP SW SIG TAN WIRE TAN/BLK WIRE TAN/WHT WIRE UNDERHOOD FUSE BLOCK WASHER RELAY CTRL WHT WIRE WIPER MOTOR PARK SW SIG WIPER/WASHER SYSTEM YEL WIRE

ANTI-THEFT SYSTEM BACKUP LAMP RELAY CTRL BODY CONTROL MODULE (BCM) (LOWER LEFT SIDE OF DASH) BRAKES, HEADLIGHTS SYSTEMS BRN WIRE COURTESY LAMP SUPPLY VOLTAGE DK BLU WIRE DK GRN WIRE DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM INSTRUMENT CLUSTER SYSTEM DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM DRVR DOOR KEY SW SIG DRVR DOOR UNLK RELAY CTRL DOOR LK CTRL EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS, NAVIGATION SYSTEMS GRY WIRE GRY/BLK WIRE HEADLAMP LO BEAM RELAY CTRL PARK LAMP RELAY CTRL HEADLIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM HORN RELAY CTRL OUT OF PARK SIG WIPER SW SIG 2 FRONT WINDSHIELD SW HI SIG CTRL HORNS SYSTEM SEATS SYSTEM WIPER/WASHER SYSTEM WIPER/WASHER SYSTEM IGN 3 VOLTAGE 12 VOLT REF HOOD CLOSED SW SIG PARK BRAKE SW SIG INTERIOR LIGHTS SYSTEM DOOR LOCKS SYSTEM INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM INTRUSION SENS ARMED SIG LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT TURN SIG LAMP SUPPLY CHMSL/STOP LAMP SUPPLY VOLT CRUISE/ETC/TCC BRAKE SIG ORG/ WIRE ORG/BLK WIRE PASS DOOR LK SW LK SIG PNK/BLK WIRE PNK/WHT WIRE POWER WINDOWS SYSTEM POWER WINDOWS SYSTEM POWER WINDOWS SYSTEM POWER WINDOWS SYSTEM POWER WINDOWS SYSTEM POWER WINDOWS SYSTEM PPL PPL INTRUSION SENS ALARM ON SIG PWR WIN MSTR SW LKOUT SIG PWR WIN MSTR SW RR UP SIG PWR WIN MSTR SW LR DN SIG PPL RF DOOR AJAR SW SIG PASS DR LK SW UNLK SIG LF DOOR AJAR SW SIG RR DOOR AJAR SW SIG LR DOOR AJAR SW SIG TAN WIRE TAN/WHT WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

ANL/DRL DEFEAT AUTO BATTERY BATTERY BATTERY BATTERY GROUND BLK WIRE BLK/WHT WIRE BLU WIRE BODY CONTROL MODULE (BCM) (ON LOWER LEFT SIDE OF DASH, BELOW STEERING COLUMN) CREW CAB ONLY FUSE GROUND DISTRIBUTION SYSTEM GRY WIRE GRY/BLK WIRE HEAD PARK HEADLAMP SWITCH HOT AT ALL TIMES HOT IN ACC, RUN HOT IN ACC, RUN, START HOT IN RUN, START I/P FUSE BLOCK (ON LOWER LEFT SIDE OF DASH) I/P RELAY BLOCK (NEAR LEFT KICK PANEL) IGNITION KEY ALARM SWITCH LEFT REAR DOOR LATCH ASSEMBLY LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE ORG/ WIRE ORG/BLK WIRE PARK BRAKE SWITCH (PART OF PARK BRAKE ASSEMBLY) PARK LAMP ON SIGNAL GROUND DIMMING INPUT PNK WIRE POWER DISTRIBUTION SYSTEM RIGHT REAR DOOR AJAR SW LEFT REAR DOOR AJAR SW RIGHT REAR DOOR LATCH ASSEMBLY SERIAL DATA TAN WIRE TBC ACCY FUSE TBC BATT FUSE TBC IGN 0 FUSE TBC IGN 1 FUSE UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPARTMENT) WHT WIRE YEL 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