Anti-lock brake circuits for GMC Sierra 2500 (2000-2004)

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