GMC Sierra 2500 (2000-2004) blk Wiring diagrams

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

2061 2062 1792 2 1 8 VOICE LOW REF VOICE SIGNAL DRAIN WIRE ANTENNA BARE BARE DRAIN WIRE BCM CLASS 2 SERIAL DATA BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BELOW STEERING COLUMN) BRN WIRE BRN/WHT WIRE COAX COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM PNK WIRE DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE GROUND HOT AT ALL TIMES I/P FUSE BLOCK (BELOW LOWER LEFT SIDE OF DASH) INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL LEFT STEERING WHEEL AUDIO CONTROL SWITCH LF AUD SIG+ LF AUD SIG- RR AUD SIG+ RR AUD SIG- GROUND LR AUD SIG + LR AUD SIG - RF AUD SIG + RF AUD SIG - LR AUD SIG+ LT BLU WIRE LT GRN WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK WIRE PNK/BLK WIRE PROG RADIO RADIO FUSE REAR SEAT AUDIO CONTROLLER (ON REAR OF CENTER CONSOLE) REMOTE RADIO CONTROL SIGNAL REMOTE RADIO CONTROL SUPPLY VOLTAGE RIGHT STEERING WHEEL AUDIO CONTROL SWITCH RR AUD SIG+ SEEK DN SEEK UP SERIAL DATA SOURCE DN SOURCE UP STEERING WHEEL) TAN WIRE UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPARTMENT) VEHICLE COMMUNICATION INTERFACE MODULE (BEHIND RIGHT SIDE OF DASH) VOICE VOL DN VOL UP

A/T SHIFT LOCK CONTROL SOLENOID (ON STEERING COLUMN) B/U LP FUSE BLK WIRE BTSI FUSE DK GRN WIRE HOT IN RUN OR START LT GRN WIRE PARK/ NEUTRAL POSITION SWITCH (LEFT SIDE OF TRANSMISSION) PNK WIRE STOPLAMP SWITCH UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT, NEAR BATTERY) WHT 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

AIR BAG BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/WHT WIRE CLASS 2 SERIAL DATA DATA LINK CONNECTOR (LOWER LEFT SIDE OF DASH) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DRIVER SEAT BELT SWITCH FRONT PASSENGER SEAT BELT SWITCH GRY WIRE I/P RELAY BLOCK (BELOW LEFT SIDE OF DASH, LEFT OF STEERING COLUMN) IGN IGNITION 1 VOLTAGE I/P MOD SUPP IND CTRL I/P MOD DISABLE SW SIG PNK WIRE INFLATABLE RESTRAINT PASSENGER AIR BAG ON/OFF INDICATOR INFLATABLE RESTRAINT PASSENGER PRESENCE SYSTEM SENSOR INFLATABLE RESTRAINT PASSENGER SEAT BELT TENSION RETRACTOR SENSOR INSIDE REARVIEW MIRROR INSTRUMENT INSTRUMENT PANEL CLUSTER IPC CLASS 2 SERIAL DATA LEFT INFLATABLE RESTRAINT SEAT POSITION SWITCH LT BLU WIRE LT GRN WIRE MEMORY SYSTEMS OFF PASS SEAT BELT TENS LO REF PPS SENS LO REF PASS SEAT BELT TENS SIG GROUND PPS SENS SIG PNK 1 2 3 4 5 6 7 8 9 WIRE PNK I/P MOD DISABLE SW SIG WIRE PNK WIRE PPL RED WIRE RIGHT INFLATABLE RESTRAINT SEAT POSITION SWITCH SPLICE PACK TAN WIRE TAN/BLK WIRE 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

BLK WIRE BLK/WHT WIRE BRN WIRE DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) DK GRN WIRE DSL(ECM) GAS (PCM) ELECTRONIC BRAKE CONTROL MODULE (ON LEFT SIDE OF INNER FRAME) EXCEPT SEO FRONT AXLE ACTUATOR FUSE GRY WIRE GRY/BLK WIRE HOT IN HOT IN RUN OR START IGN E FUSE INSTRUMENT PANEL CLUSTER LAMP LEFT I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) LOGIC LT BLU WIRE MODULE (DIESEL) (LEFT FRONT OF ENGINE COMPT) PNK WIRE POWERTRAIN CONTROL MODULE (GAS ENGINES) OR ENGINE CONTROL PPL 2 RUN WIRE SEO SEO IGN FUSE SPLICE PACK TRANSFER CASE SHIFT CONTROL SWITCH (ON TOP OF TRANSFER CASE) TRANSMISSION CONTROL MODULE (W/ ALLISON TRANS) (LEFT FRONT OF ENGINE COMPT) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT)

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