GMC Sierra 2500 (2000-2004) brake fuse Wiring diagrams

1 2 6 8 16 19 20 21 24 40 42 46 47 48 51 62 63 GND TCC PWM PC SOL HI PC SOL LO 1-2 SHIFT SOLENOID 2-3 SHIFT SOLENOID 3-2 CTRL SOLENOID 407 (OR 720) A/T FLUID PRESSURE MANUAL VALVE POSITION SWITCH AUTOMATIC TRANSMISSION BLK (OR GRY) WIRE BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (ON LOWER LEFT SIDE OF DASH, BELOW STEERING COLUMN) BODY WIRING HARNESS JUNCTION BLOCK BRAKE FUSE BRN WIRE BRN/WHT WIRE DK BLU WIRE DK GRN WIRE ECMB FUSE ENGINE COOLANT TEMPERATURE SENSOR (LEFT FRONT OF CYLINDER HEAD) ENGINE WIRING HARNESS JUNCTION BLOCK EX CAN BUILT CANADIAN BUILT FLUID TEMP SENSOR FRT AXLE SW VSS LO (GROUND) VSS HI (SIGNAL) FUSE FUSE BLOCK GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN HOT IN RUN, BULB TEST, START HOT IN RUN, START INSTRUMENT CLUSTER LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MALFUNCTION INDICATOR LAMP ORG/ WIRE PARK/NEUTRAL POSITION SWITCH (LEFT SIDE OF TRANSMISSION) PNK PNK WIRE PNK WIRE POWERTRAIN CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) PPL PPL DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) PPL/WHT WIRE PRESS CTRL SOLENOID RED WIRE RED/BLK WIRE REV, LO RUN WIRE SENS GND B+ CLS 2 DATA CLS 2 DATA SENS GND PRND B ECT SIG IGN 3-2 SS SPLICE PACK STOPLIGHT SWITCH (TOP OF BRAKE PEDAL BRACKET) TAN WIRE TAN/BLK WIRE TCC PWM SOLENOID TCC SOLENOID THROTTLE POSITION SENSOR (ON THROTTLE BODY ASSY) TP SIG GND TCC SOL MIL CTRL 2-3 SS 1-2 SS TFT SENS SIG PRND C TRANS RNG A VEHICLE SPEED SENSOR (LEFT REAR OF TRANSMISSION) VSS ADAPTER W/ TRACTION W/O TRACTION WHT WIRE YEL WIRE YEL/BLK WIRE

1-2 SHIFT SOLENOID 2-3 SHIFT SOLENOID 41 46 54 57 58 59 63 72 74 75 LO REF A/T FLUID PRESSURE MANUAL VALVE POSITION SWITCH AUTOMATIC TRANSMISSION BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (LOWER LEFT SIDE OF DASH, BELOW STEERING COLUMN) BODY RELAY BLOCK (UNDER LEFT END OF DASH) BRAKE FUSE BRN WIRE BRN/WHT WIRE DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE ECMB FUSE EXCEPT LIGHT DUTY FLUID TEMP SENSOR FUSE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN HOT IN RUN, BULB TEST, START HOT IN RUN, START INSTRUMENT CLUSTER INSTRUMENT PANEL CLUSTER (IPC) LEFT I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) LIGHT DUTY LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MALFUNCTION INDICATOR LAMP ORG/ WIRE PARK/NEUTRAL POSITION SWITCH (LEFT SIDE OF TRANSMISSION) PNK PNK WIRE PNK WIRE POWERTRAIN CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) PPL PPL ABS SYSTEM PPL DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) PPL PPL PPL/WHT WIRE PRESS CTRL SOLENOID RED WIRE RED/BLK WIRE REV, LO RUN WIRE SENS GND B+ CLS 2 DATA CLS 2 DATA SENS GND PRND B ECT SIG IGN SPLICE PACK STOPLIGHT SWITCH (TOP OF BRAKE PEDAL BRACKET) TCC PWM SOLENOID TRANSFER CASE) (ON TRANSMISSION) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT, NEAR BATTERY) VSS ADAPTER W/ TRACTION ASSIST W/O TRACTION ASSIST WHT WIRE YEL WIRE YEL/BLK WIRE

A/T A/T M/T BLK WIRE BLK/WHT WIRE BODY RELAY BLOCK (UNDER LEFT SIDE OF DASH) BRAKE FUSE BRN WIRE BRN/WHT WIRE CLUTCH CRUISE CONTROL MODULE (LEFT REAR OF ENGINE COMPT, ON FIREWALL) CRUISE CONTROL ON/OFF SWITCH CRUISE ENGAGE IN CRUISE ENGAGE OUT SPEED SENSOR INPUT CRUISE FUSE DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN RUN INSTRUMENT CLUSTER SYSTEM LEFT I/P FUSE BLOCK (ON LOWER LEFT SIDE OF DASH) LT BLU WIRE LT BLU/BLK WIRE LT GRN/BLK WIRE M/T M/T A/T NCA WIRE OFF ORG/ WIRE POWERTRAIN CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) PPL PPL/WHT WIRE RESUME/ACCEL SET/COAST SOUND SYSTEMS SPEED SENSOR OUT STOP LPS FUSE STOPLAMP SWITCH (TOP OF BRAKE PEDAL) SWITCH (TOP OF CLUTCH PEDAL) UNDERHOOD FUSE BLOCK (NEAR BATTERY) VEH STOP FUSE VEHICLE SPEED SENSOR (VSS) VEHICLE SPEED SENSOR ADAPTER VSS HIGH VSS LOW WHT WIRE

20 29 21 30 49 15 EXCEPT 4.3 L 4.3L ABS FUSE BLK WIRE BLK/WHT WIRE BODY WIRING HARNESS JUNCTION BLOCK (NEAR LEFT KICK PANEL) BRAKE FLUID LEVEL SW IN BRAKE FLUID LEVEL SWITCH (LEFT SIDE OF BRAKE FLUID RESERVOIR) BRAKE FUSE BRAKE INPUT SERIAL DATA BRAKE PRESSURE MODULATOR VALVE BRN WIRE DATA LINK CONNECTOR (BELOW STEERING COLUMN) DK GRN WIRE DK GRN/WHT WIRE ELECTRONIC BRAKE CONTROL MODULE (LEFT SIDE OF INNER FRAME) ENGINE CONTROL SYSTEM ENGINE WIRING HARNESS JUNCTION BLOCK (LEFT SIDE OF ENGINE COMPT) FRONT AXLE ACTUATOR/ SWITCH (ON AXLE HOUSING) FUSE BLOCK (LOWER LEFT SIDE OF DASH) GROUND MOTOR, SOLENOID PWR GRY WIRE HOT AT ALL TIMES HOT IN RUN HOT IN RUN AND START IGN 1 FUSE IGNITION LEFT FRONT SENSOR (-) RIGHT FRONT SENSOR (+) INSTRUMENT CLUSTER LEFT FRONT WHEEL SPEED SENSOR LOGIC LT BLU WIRE LT GRN/BLK WIRE NCA WIRE PNK WIRE POWER DISTRIBUTION SYSTEM POWERTRAIN CONTROL MODULE OR VEHICLE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) PPL PPL PPL PPL/WHT WIRE PUMP MOTOR RED WIRE RIGHT FRONT WHEEL SPEED SENSOR SPLICE PACK 205 CENTER (NEAR LEFT KICK PANEL) STOPLAMP SWITCH (TOP OF BRAKE PEDAL BRACKET) TAN WIRE VEHICLE SPEED SENSOR (LEFT REAR OF TRANSMISSION) VEHICLE SPEED SENSOR ADAPTER VSS HIGH VSS LOW VSS OUTPUT YEL WIRE YEL/BLK WIRE

ABS FUSE ABS IND PNK WIRE BLK WIRE BLK/WHT WIRE BODY RELAY BLOCK (UNDER LEFT SIDE OF DASH, NEAR KICK PANEL) BRAKE FLUID LEVEL SW IN BRAKE FLUID LEVEL SWITCH (ON LEFT SIDE OF BRAKE FLUID RESERVOIR) BRAKE FUSE BRAKE IND BRAKE INPUT SERIAL DATA BRN WIRE CLUTCH START SWITCH (TOP OF CLUTCH CLUTCH ASSY) CPP SW SIG DIESEL DK GRN WIRE DK GRN/WHT WIRE ELECTRONIC BRAKE CONTROL MODULE (EBCM) (ON LEFT SIDE OF INNER FRAME) ENGINE CONTROLS SYSTEM FRONT AXLE ACT/SW INPUT VSS INPUT LEFT FRONT SENSOR (+) RIGHT FRONT SENSOR (-) FRONT AXLE ACTUATOR/ SWITCH (ON AXLE HOUSING) GAS GROUND MOTOR, SOLENOID PWR GRY WIRE HOT AT ALL TIMES HOT IN RUN HOT IN RUN OR START IGN 1 FUSE IGNITION LEFT FRONT SENSOR (-) RIGHT FRONT SENSOR (+) INSTRUMENT CLUSTER LEFT FRONT WHEEL SPEED SENSOR LEFT I/P FUSE BLOCK (ON LOWER LEFT SIDE OF DASH) LOGIC LT BLU WIRE LT GRN/BLK WIRE M/T ONLY NCA WIRE OF TRANSFER CASE) PNK WIRE POWERTRAIN CONTROL MODULE (PCM) (ON LEFT FRONT OF ENGINE COMPT) PPL PPL DATA LINK CONNECTOR (DLC) (BELOW STEERING COLUMN) PPL/ PPL/ PPL/ PPL/ PPL/WHT WIRE RED WIRE RIGHT FRONT WHEEL SPEED SENSOR SIDE OF TRANSMISSION) STOPLAMP SWITCH (ON TOP OF BRAKE PEDAL BRACKET) TAN WIRE TRANSFER CASE SHIFT CONTROL MODULE (LEFT SIDE OF DASH, BEHIND HEADLAMP SWITCH) TRANSMISSIONS SYSTEM UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPT, NEAR BATTERY) VEHICLE SPEED SENSOR (VSS) VEHICLE SPEED SENSOR ADAPTER VSS HIGH VSS LOW VSS OUTPUT WHT WIRE YEL WIRE YEL/BLK WIRE

ABS FUSE ABS IND. BLK WIRE BODY RELAY BLOCK (UNDER LEFT SIDE OF DASH, NEAR KICK PANEL) BRAKE FLUID LEVEL SWITCH (ON LEFT SIDE OF BRAKE FLUID RESERVOIR) BRAKE FUSE BRAKE IN BRAKE IND BRN WIRE BRN/WHT WIRE DEL TORQUE DK GRN WIRE ELECTRONIC BRAKE CONTROL MODULE (EBCM) (ON LEFT SIDE OF INNER FRAME) GAS DIESEL GROUND DISTRIBUTION SYSTEM GROUND MOTOR, SOLENOID PWR GRY WIRE HOT AT ALL TIMES HOT IN RUN HOT IN RUN OR START IGN 1 FUSE IGNITION LEFT FRONT SENSOR (-) RIGHT FRONT SENSOR (+) DELIVERED TORQUE INSTRUMENT CLUSTER LEFT FRONT WHEEL SPEED SENSOR LEFT I/P FUSE BLOCK (ON LOWER LEFT SIDE OF DASH) LOGIC LOW TRACTION INDICATOR ILLUM LAMP LT BLU WIRE LT GRN/BLK WIRE NCA WIRE OF TRANSFER CASE) ORG/BLK WIRE PNK PNK POWER DISTRIBUTION SYSTEM WIRE PNK WIRE POWERTRAIN CONTROL MODULE (PCM) (ON LEFT FRONT OF ENGINE COMPT) PPL PPL 1122 832 PPL DATA LINK CONNECTOR (DLC) (BELOW STEERING COLUMN) PPL/WHT WIRE RED WIRE REQ TORQUE RIGHT FRONT WHEEL SPEED SENSOR SERVICE TRAC CNTL SIG SIDE OF TRANSMISSION) STOPLAMP SWITCH (ON TOP OF BRAKE PEDAL BRACKET) TAN WIRE TAN/BLK WIRE TRACTION CONTROL SWITCH TRACTION OFF INDICATOR UNDERHOOD FUSE BLOCK (AT LEFT SIDE OF ENGINE COMPT, NEAR BATTERY) VEHICLE SPEED SENSOR (VSS) VEHICLE SPEED SENSOR ADAPTER VSS HIGH VSS LOW VSS OUT WHT WIRE YEL WIRE YEL/BLK WIRE

44 19 (DIESEL) (GAS) AIR TEMPERATURE ACTUATOR ALL OTHER GAS 4.3L ALL OTHER GAS 4.3L FUEL INJECTOR PNK PNK CONTROL MODULE WIRE AUXILIARY BATTERY RELAY BASE BLK WIRE BRAKE FUSE BRN WIRE DIESEL DIESEL GAS DIESEL GAS BLOWER MOTOR SWITCH (MANUAL) ECM PRV FUSE (DIESEL) ENGINE CONTROL MODULE (ECM)/ PNK PNK POWERTRAIN CONTROL MODULE (PCM) WIRE ETC FUSE FROM CRUISE FUSE (DIAGRAM 2 OF 4) FROM ENG 1 FUSE (DIAGRAM 2 OF 4) FROM ECM B FUSE (DIAGRAM 1 OF 4) FROM FUSE LINK (DIAGRAM 1 OF 4) FROM IGN C FUSE (DIAGRAM 2 OF 4) FRONT AXLE ACTUATOR FRONT PASSENGER HEATED SEAT SWITCH FUEL FUEL FUEL INJECTOR 4 INJECTOR 2 INJECTOR 8 FUEL INJECTOR 1 FUEL INJECTOR 3 FUEL INJECTOR 5 FUEL INJECTOR 6 FUEL INJECTOR 7 FUSE GAS HTR A/C FUSE HVAC 1 FUSE HVAC CONTROL MODULE IGN 1 RELAY IGN 3 FUSE IGNITION COIL 1 IGNITION COIL 3 IGNITION COIL 5 IGNITION IGNITION COIL 2 COIL 4 IGNITION IGNITION COIL COIL 7 IGNITION IGNITION IGNITION COIL 8 COIL 6 COIL MODULE INJ A FUSE INJ B FUSE MEGA FUSE MEMORY DRIVER SEAT HEATED MODULE SEAT SWITCH UPLEVEL MODE ACTUATOR NCA WIRE PNK PNK PNK WIRE PNK PNK WIRE PNK WIRE REAR REAR WHEEL WHEEL STEERING STEERING SWITCH CONTROL MODULE RECIRCULATION ACTUATOR RECIRCULATION AIR MODE ACTUATOR TEMPERATURE ACTUATOR ACTUATOR RED WIRE RIGHT BATTERY RIGHT BATTERY FUSIBLE LINK RIGHT I/P FUSE BLOCK (ON LOWER RIGHT SIDE OF DASH) STOPLAMP ELECTRONIC SWITCH BRAKE CONTROL MODULE (EBCM) THROTTLE ACTUATOR CONTROL MODULE TRANSFER CASE SHIFT CONTROL MODULE UNDER- HOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT)

1-2 SOL 2 3 4 PPL 2-3 SOL 28 29 30 PNK WIRE 3-2 SOL A/T FLUID PRESSURE MANUAL VALVE POSITION SWITCH AUTOMATIC TRANSAXLE BLK WIRE BLU WIRE BODY JUNCTION BLOCK BRAKE FUSE BRN WIRE BRN/RED WIRE CAMSHAFT POSITION SENSOR (TOP CENTER REAR OF ENGINE) CLUTCH PEDAL POSITION SWITCH (TOP OF PEDAL BRACKET) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE EVAP CANISTER PURGE VALVE (TOP RIGHT REAR OF ENGINE) EVAP CANISTER VENT VALVE (LEFT FRONT SIDE OF FUEL TANK) EXHAUST GAS RECIRCULATION VALVE (TOP RIGHT FRONT OF ENGINE) FUEL TANK PRESSURE SENSOR (IN FUEL TANK) FUSE BLOCK GRY DK GRN WIRE GRY WIRE HOT IN RUN HOT IN RUN, START LT BLU WIRE LT BLU/WHT WIRE LT GRN GRY WIRE LT GRN WIRE LT GRN/BLK WIRE MANIFOLD ABSOLUTE PRESSURE SENSOR (TOP REAR OF ENGINE) ORG/ WIRE ORG/BLK WIRE PC SOL VALVE PNK WIRE PNK/BLK WIRE PPL PPL 5 6 PPL PNK PNK 16 17 18 WIRE PPL PNK PNK 25 26 27 WIRE PPL/WHT WIRE RED WIRE RED/BLK WIRE REV STOP LAMP SWITCH (TOP OF BRAKE PEDAL BRACKET) STOP LPS FUSE TAN WIRE TAN/BLK WIRE TCC PWM SOL TCC SOL TFT SENSOR VEHICLE SPEED SENSOR (LEFT REAR OF TRANSMISSION) VSS ADAPTER WHT WIRE YEL WIRE YEL/BLK WIRE

1-2 SOL 2 3 4 PPL 2-3 SOL 28 29 30 PNK WIRE 3-2 SOL A/T FLUID PRESSURE MANUAL VALVE POSITION SWITCH AUTOMATIC TRANSAXLE BLK WIRE BLU WIRE BODY JUNCTION BLOCK BRAKE FUSE BRN WIRE BRN/RED WIRE CAMSHAFT POSITION SENSOR (TOP CENTER REAR OF ENGINE) CLUTCH PEDAL POSITION SWITCH (TOP OF PEDAL BRACKET) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE EVAP CANISTER PURGE VALVE (TOP RIGHT REAR OF ENGINE) EVAP CANISTER VENT VALVE (LEFT FRONT SIDE OF FUEL TANK) EXHAUST GAS RECIRCULATION VALVE (TOP RIGHT FRONT OF ENGINE) FUEL TANK PRESSURE SENSOR (IN FUEL TANK) FUSE BLOCK GRY DK GRN WIRE GRY WIRE HOT IN RUN HOT IN RUN, START LT BLU WIRE LT BLU/WHT WIRE LT GRN GRY WIRE LT GRN WIRE LT GRN/BLK WIRE MANIFOLD ABSOLUTE PRESSURE SENSOR (TOP REAR OF ENGINE) ORG/ WIRE ORG/BLK WIRE PC SOL VALVE PNK WIRE PNK/BLK WIRE PPL PPL 5 6 PPL PNK PNK 16 17 18 WIRE PPL PNK PNK 25 26 27 WIRE PPL/WHT WIRE RED WIRE RED/BLK WIRE REV STOP LAMP SWITCH (TOP OF BRAKE PEDAL BRACKET) STOP LPS FUSE TAN WIRE TAN/BLK WIRE TCC PWM SOL TCC SOL TFT SENSOR VEHICLE SPEED SENSOR (LEFT REAR OF TRANSMISSION) VSS ADAPTER WHT WIRE YEL WIRE YEL/BLK WIRE

1-2 SOL 2 3 4 PPL 2-3 SOL 28 29 30 PNK WIRE A/T FLUID PRESSURE MANUAL VALVE POSITION SWITCH AUTOMATIC TRANSAXLE BLK WIRE BLU WIRE BODY WIRING HARNESS JUNCTION BLOCK BRAKE FUSE BRN WIRE BRN/RED WIRE CAMSHAFT POSITION SENSOR (TOP CENTER REAR OF ENGINE) CLUTCH PEDAL POSITION SWITCH (TOP OF PEDAL BRACKET) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE EVAP CANISTER PURGE VALVE (TOP RIGHT REAR OF ENGINE) EVAP CANISTER VENT VALVE (LEFT FRONT SIDE OF FUEL TANK) EXHAUST GAS RECIRCULATION VALVE (TOP RIGHT FRONT OF ENGINE) FUEL TANK PRESSURE SENSOR (IN FUEL TANK) FUSE BLOCK GRY DK GRN WIRE GRY WIRE HOT IN RUN HOT IN RUN, START LT BLU WIRE LT BLU/WHT WIRE LT GRN GRY WIRE LT GRN WIRE LT GRN/BLK WIRE MANIFOLD ABSOLUTE PRESSURE SENSOR (TOP REAR OF ENGINE) ORG/ WIRE ORG/BLK WIRE PC SOL VALVE PNK 3 4 5 WIRE PNK WIRE PNK/BLK WIRE PPL PPL PNK 5 6 WIRE PPL PNK PNK 17 18 19 WIRE PPL PNK PNK 24 25 26 WIRE PPL/WHT WIRE RED WIRE RED/BLK WIRE REV STOP LAMP SWITCH (TOP OF BRAKE PEDAL BRACKET) STOP LPS FUSE TAN WIRE TCC PWM SOL TFT SENSOR VEHICLE SPEED SENSOR (LEFT REAR OF TRANSMISSION) VSS ADAPTER WHT WIRE YEL WIRE YEL/BLK WIRE