GMC Sierra 2500 (2000-2004) org/ Wiring diagrams

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 TP SENSOR 1 SIG 15 14 SERIAL DATA SERIAL DATA ACCELERATION PEDAL POSITION SENSOR (BEHIND ACCELERATOR PEDAL) APP SENSOR 2 SIG LOW REF LOW REF APP SENSOR 1 SIG BLK WIRE BLK/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM CRUISE FUSE CRUISE IND DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ETC/ECM FUSE GRY WIRE GRY/BLK WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT IN RUN HOT IN RUN, START IGN INSTRUMENT PANEL CLUSTER LEFT I/P FUSE BLOCK (ON LOWER LEFT SIDE OF DASH) LOW REF (NOT USED) LT BLU WIRE LT BLU/BLK WIRE LT GRN/BLK WIRE NCA WIRE OF TRANSFER CASE) OF TRANSMISSION) OFF ON OFF ORG/ WIRE ORG/BLK WIRE PNK WIRE POWERTRAIN CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) PPL PPL/WHT WIRE RESUME/ ACCEL CRUISE CONTROL ON/OFF SWITCH RESUME/ACCEL SERIAL DATA SERIAL DATA CLASS 2 DATA SET/ COAST STOP LPS FUSE STOPLAMP SWITCH (TOP OF BRAKE PEDAL) TAN WIRE THROTTLE ACTUATOR CONTROL MODULE (LEFT REAR OF ENGINE COMPT) TURN SIGNAL/ MULTIFUNCTION SWITCH UNDER- HOOD FUSE BLOCK UNDERHOOD FUSE BLOCK (NEAR BATTERY) VEH STOP FUSE VEHICLE SPEED SENSOR (VSS) VSS HIGH VSS LOW WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

1 2 6 8 16 GND TCC PWM PC SOL HI PC SOL LO 1-2 SHIFT SOLENOID 2-3 SHIFT SOLENOID A/T FLUID PRESSURE MANUAL MANUAL VALVE POSITION SWITCH AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION INPUT SHAFT SPEED SENSOR (IN TRANSMISSION) BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BELOW STEERING COLUMN) BRAKE FUSE BRN WIRE BRN/WHT WIRE CRUISE CONTROL SYSTEM DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ENGINE COOLANT TEMPERATURE SENSOR (FRONT OF LEFT CYLINDER HEAD) EXCEPT SEO FLUID TEMP SENSOR FUSE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN HOT IN RUN, ACC, START HOT IN RUN, START I/P RELAY BLOCK (BELOW LEFT SIDE OF DASH) INSTRUMENT CLUSTER INSTRUMENT PANEL CLUSTER (IPC) IPC/DIC FUSE LEFT I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MALFUNCTION INDICATOR LAMP OF TRANSMISSION) ORG/ WIRE ORG/BLK WIRE PARK/NEUTRAL POSITION SWITCH (LEFT SIDE OF TRANSMISSION) PCM B FUSE PNK WIRE POWERTRAIN CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) PPL PPL DATA LINK CONNECTOR (BELOW STEERING COLUMN) PPL/WHT WIRE PRESS CTRL SOLENOID RED WIRE RED/BLK WIRE REV RUN WIRE SEO SPLICE PACK STOPLIGHT SWITCH (TOP OF BRAKE PEDAL BRACKET) TAN WIRE TCC PWM SOLENOID TOW/HAUL SWITCH TRANSFER CASE) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT, NEAR BATTERY) PCM 1 FUSE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT, NEAR THE BATTERY) VEHICLE SPEED SENSOR WHT WIRE YEL WIRE YEL/BLK WIRE

1 2 6 8 16 GND TCC PWM PC SOL HI PC SOL LO 1-2 SHIFT SOLENOID 2-3 SHIFT SOLENOID A/T FLUID PRESSURE MANUAL MANUAL VALVE POSITION SWITCH AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION INPUT SHAFT SPEED SENSOR (IN TRANSMISSION) BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BELOW STEERING COLUMN) BRAKE FUSE BRN WIRE BRN/WHT WIRE CRUISE CONTROL SYSTEM DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ENGINE COOLANT TEMPERATURE SENSOR (FRONT OF LEFT CYLINDER HEAD) EXCEPT SEO FLUID TEMP SENSOR FUSE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN HOT IN RUN, ACC, START HOT IN RUN, START I/P RELAY BLOCK (BELOW LEFT SIDE OF DASH) INSTRUMENT CLUSTER INSTRUMENT PANEL CLUSTER (IPC) IPC/DIC FUSE LEFT I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MALFUNCTION INDICATOR LAMP OF TRANSMISSION) ORG/ WIRE ORG/BLK WIRE PARK/NEUTRAL POSITION SWITCH (LEFT SIDE OF TRANSMISSION) PCM B FUSE PNK WIRE POWERTRAIN CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) PPL PPL DATA LINK CONNECTOR (BELOW STEERING COLUMN) PPL/WHT WIRE PRESS CTRL SOLENOID RED WIRE RED/BLK WIRE REV RUN WIRE SEO SPLICE PACK STOPLIGHT SWITCH (TOP OF BRAKE PEDAL BRACKET) TAN WIRE TCC PWM SOLENOID TOW/HAUL SWITCH TRANSFER CASE) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT, NEAR BATTERY) PCM 1 FUSE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT, NEAR THE BATTERY) VEHICLE SPEED SENSOR WHT WIRE YEL WIRE YEL/BLK WIRE

A/C COMP CL RLY CTRL A/C COMPRESSOR CLUTCH A/C COMPRESSOR CLUTCH RELAY A/C LOW PRESSURE SWITCH (RIGHT SIDE OF ACCUMULATOR) A/C ON A/C RECIRC A/C REF PRE SENS SIG A/C REFRIGERANT PRESSURE SENSOR (IN HIGH SIDE PRESSURE LINE) AMBIENT AIR TEMPERATURE SENSOR (IN RIGHT FRONT BUMPER FILLER ASSEMBLY AUTO BLK WIRE BLK/WHT WIRE BLOWER FUSE BLOWER MOTOR (RIGHT SIDE OF DASH) BLOWER MOTOR CONTROL PROCESSOR (BEHIND RIGHT SIDE OF DASH) BRN WIRE BRN/WHT WIRE CLASS 2 SER DATA CLASS 2 SERIAL DATA DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE FAN DN FAN UP FRT DEF GROUND GROUND TEMP SEN ASS CTRL BLOWER SPEED CTRL GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT AT ALL TIMES A/C COMP FUSE HOT IN HOT IN RUN OR START IGN E FUSE HVAC 1 FUSE HVAC CONTROL MODULE (BEHIND CENTER OF DASH) HVAC/ ECAS FUSE I/P RELAY BLOCK (LEFT SIDE OF DASH) INSIDE AIR TEMPERATURE SENSOR ASSEMBLY (IN HEADLINER ABOVE DRIVER) INST LAMP DIM CTRL GROUND LEFT I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) LEFT TEMP CONTROL LO PRESS SENS SIG RT TEMP DOOR CTRL LT TEMP DOOR CTRL LOGIC LOW REF LOWER LEFT AIR TEMPERATURE SENSOR (LEFT END OF HVAC MODULE) LOWER RIGHT AIR TEMPERATURE SENSOR (BOTTOM OF HVAC MODULE) LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE MODE MODE DOOR CTRL MODE DOOR CTRL IGN 3 LOW REF B(+) OFF ORG/ WIRE POWERTRAIN CONTROL MODULE OR ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) PPL PPL/WHT WIRE RECIR RECIR DOOR CTRL RT TEMP DOOR CTRL LT TEMP DOOR CTRL RED WIRE RED/BLK WIRE RIGHT I/P FUSE BLOCK (LOWER RIGHT SIDE OF DASH) RIGHT TEMP CONTROL RUN WIRE SPEED CTRL B(+) GROUND TAN WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT, NEAR BATTERY) UPPER LEFT AIR TEMPERATURE SENSOR (BELOW DASH TRIM PANEL) UPPER RIGHT AIR TEMPERATURE SENSOR (BELOW DASH TRIM PANEL) WHT WIRE WHT/BLK WIRE YEL WIRE

ACCESSORY VOLTAGE BLK WIRE DK BLU WIRE GROUND LSD GRY WIRE HI LO OFF HOT AT ALL TIMES HOT IN RUN AND ACC LEFT I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) LO PULSE MIST MIST WASH OFF ORG/ WIRE PNK WIRE RED WIRE TAN WIRE TURN SIGNAL/ MULTI-FUNCTION SWITCH UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) W/S WASH FUSE W/S WASH RELAY W/S WIPER FUSE WINDSHIELD WASHER FLUID PUMP (ON WASHER FLUID RESERVOIR) WINDSHIELD WASHER RELAY CNTRL WINDSHIELD WIPER HIGH SIGNAL WINDSHIELD WIPER MOTOR MODULE (UNDER WINDSHIELD COWL) WINDSHIELD WIPER SUPPLY VOLTAGE WINDSHIELD WIPER SWITCH SIGNAL WINDSHIELD WIPER/ WASHER SWITCH YEL WIRE

A/C COMP CL RLY CTRL A/C COMPRESSOR CLUTCH A/C COMPRESSOR CLUTCH RELAY A/C LOW PRESSURE SWITCH (RIGHT SIDE OF ACCUMULATOR) A/C ON SWITCH A/C RECIRC A/C REF PRE SENS SIG A/C REFRIGERANT PRESSURE SENSOR (IN HIGH SIDE PRESSURE LINE) BLK WIRE BLK/WHT WIRE BLOWER FUSE BLOWER MOTOR (UNDER RIGHT SIDE OF DASH) BLOWER MOTOR CONTROL SWITCH BLOWER MOTOR RELAY BLOWER MOTOR RESISTOR ASSEMBLY (ON HVAC MODULE, NEAR BLOWER MOTOR) BRN WIRE BRN/WHT WIRE CLASS 2 SER DATA CLASS 2 SERIAL DATA DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE FRT DEF GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES A/C COMP FUSE HOT IN HOT IN RUN OR START IGN E FUSE HTR A/C FUSE HVAC 1 FUSE HVAC CONTROL MODULE (BEHIND CENTER OF DASH) HVAC/ ECAS FUSE I/P RELAY BLOCK (LEFT SIDE OF DASH) INST LAMP DIM CTRL GROUND LEFT I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) LEFT TEMP CONTROL LOGIC LOW REF LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE MODE CONTROL MODE DOOR CTRL MODE DOOR CTRL IGN 3 LOW REF B(+) OFF OFF BLOW MT CTRL LO PRESS SENS SIG RT TEMP DOOR CTRL LT TEMP DOOR CTRL ORG/ WIRE POWERTRAIN CONTROL MODULE OR ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) PPL RECIR DOOR CTRL RT TEMP DOOR CTRL LT TEMP DOOR CTRL RECIRC SWITCH RED WIRE RED/BLK WIRE RIGHT I/P FUSE BLOCK (LOWER RIGHT SIDE OF DASH) RIGHT TEMP CONTROL RUN WIRE TAN WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT, NEAR BATTERY) WHT WIRE WHT/BLK WIRE YEL WIRE

1362 (OR 353) 349 1834 2163 2306 (OR 371) ALO: W/ FRONT PASSENGER/ CHILD PRESENCE DETECTOR BLK WIRE BLK/WHT WIRE BRN WIRE CLASS 2 SERIAL DATA DK BLU WIRE DK GRN WIRE GROUND GRY WIRE HIGH CONTROL LOW CONTROL LOW REFERENCE LOW CONTROL HIGH CONTROL HOT IN RUN OR START I/P JUNCTION BLOCK (RIGHT SIDE OF DASH, BEHIND ACCESS PANEL) I/P MODULE DISABLE SWITCH SIGNAL I/P MODULE SUPPRESSION INDICATOR CONTROL I/P RELAY BLOCK IGNITION 1 VOLTAGE INFLATABLE RESTRAINT I/P MODULE DISABLE SWITCH INFLATABLE RESTRAINT SENSING/DIAGNOSTIC MODULE (UNDER LEFT FRONT SEAT) INFLATABLE RESTRAINT STEERING WHEEL MODULE INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL KEY SWITCH LOGIC LT BLU WIRE LT GRN WIRE NCA WIRE OFF ON-W/O ALO AUTO-W/ ALO ORG/ WIRE OTHERS PNK (OR TAN/BLK) WIRE PNK 1 2 3 4 5 6 7 8 9 WIRE PNK W/ FRONT PASSENGER/ CHILD PRESENCE DETECTOR WIRE PNK WIRE PPL PPL PPL RED (OR PNK) WIRE RED WIRE RIGHT INFLATABLE RESTRAINT SIDE IMPACT SENSOR RIGHT SIGNAL HIGH CONTROL LOW CONTROL GROUND LOW CONTROL HIGH CONTROL SHORTING BAR SHORTING BAR SHORTING BAR SIGNAL SIGNAL LOW REFERENCE LOW REFERENCE SIR FUSE STAGE 1 INFLATABLE RESTRAINT I/P MODULE (BEHIND RIGHT SIDE OF DASH) STAGE 2 TAN WIRE TAN/BLK WIRE TWISTED PAIR WIRES UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENG COMPT, NEAR BATTERY) W/ FRONT PASSENGER/ CHILD PRESENCE DETECTOR WHT WIRE YEL WIRE

2-HI IND 4 HI 4 LO 4-HI IND 4-LO IND AXLE SW SIG BLK WIRE BLK/WHT WIRE BRAKE CONTROL BRN WIRE BRN/WHT WIRE CLASS II DATA AXLE CTRL AWD IND 4-LO IND 4-HI IND CONTROL MODULE CTRL DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH, BELOW STEERING COLUMN) DK GRN WIRE DK GRN/WHT WIRE ENCODER ENCODER LOW GROUND ENCODER SIG EXCEPT SEO FRONT AXLE ACTUATOR FRONT PROPSHAFT SPEED SENSOR FUSE GROUND BATTERY MOTOR CTRL A MOTOR CTRL B GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN HOT IN RUN OR START I/P RELAY BLOCK (NEAR LEFT KICK PANEL) IGN E FUSE ILLUMINATION INSTRUMENT PANEL CLUSTER LAMP LEFT I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) LEFT I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) SEO IGN FUSE LOCK SOL CTRL 2-HI IND NEUTRAL IND LOGIC LT BLU WIRE LT GRN/BLK WIRE NCA WIRE NEUTRAL IND ORG/ WIRE PNK WIRE PPL PPL FT SHAFT LO FT SHAFT HI PPL/WHT WIRE REAR PROPSHAFT SPEED SENSOR RED WIRE RR SHAFT HI RR SHAFT LO RUN WIRE SEO SHIFT MOTOR SPLICE PACK TAN WIRE TAN/BLK WIRE TRANSFER CASE ENCODER MOTOR TRANSFER CASE SHIFT CONTROL SWITCH TREC FUSE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) 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 RELAY BLOCK (NEAR LEFT KICK PANEL) IGNITION KEY ALARM SWITCH LEFT I/P FUSE BLOCK (ON LOWER LEFT SIDE OF DASH) 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) PNK WIRE POWER DISTRIBUTION SYSTEM RIGHT REAR DOOR AJAR SW LEFT REAR DOOR AJAR SW RIGHT REAR DOOR LATCH ASSEMBLY SERIAL DATA SERIAL DATA PARK LAMP ON SIGNAL GROUND DIMMING INPUT 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

22 3 11 SERIAL DATA LEFT SEAT BELT LOW REFERENCE 22 3 18 SERIAL DATA LOW REFERENCE LEFT DOOR AJAR SW 22 5 20 SERIAL DATA DOOR AJAR SWITCH LOW REFERENCE 58 59 15 16 1049 710 SERIAL DATA SERIAL DATA BASE BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DRIVER DOOR LATCH ASSEMBLY DRIVER DOOR MODULE (DDM) (IN DRIVER'S DOOR) DRIVER SEAT BELT SWITCH EXCEPT 6.6L VIN 2 6.6L VIN 2 FRONT PASSENGER DOOR LATCH ASSEMBLY FRONT PASSENGER DOOR MODULE (FPDM) (IN RIGHT FRONT DOOR) GROUND DISTRIBUTION SYSTEM GRY WIRE GRY/BLK WIRE IGN INFLATABLE RESTRAINT SENSING, DIAGNOSTIC MODULE (SDM) (UNDER LEFT FRONT SEAT) INSTRUMENT PANEL CLUSTER (IPC) LEFT I/P FUSE BLOCK (ON LOWER LEFT SIDE OF DASH) LEFT TURN LOGIC LT BLU WIRE LT GRN WIRE ORG/ WIRE PNK 1045 1044 WIRE PPL PPL 1132 1036 1037 1047 1046 RADIO RIGHT I/P FUSE BLOCK (ON LOWER RIGHT SIDE OF DASH) RIGHT TURN SEAT BELT SERIAL DATA SUPPLEMENTAL RESTRAINTS SYSTEM TAN WIRE W/CONVENIENCE PACKAGE COMFORT, DECOR LEVEL 3 W/MEMORY SEATS WHT WIRE YEL WIRE