GMC Cab & Chassis K2500 (1989-2000) Rear abs circuit, with drl

150 250 440 696 GND BLK WIRE BLU WIRE BRAKE IND BRAKE PRESSURE WARNING SWITCH (BELOW MASTER CYLINDER) BRN WIRE DATA LINK CONNECTOR DAYTIME RUNNING LAMPS MODULE (UNDER LEFT SIDE OF I/P) DIODE DIODE MODULE (UNDER LEFT SIDE OF I/P) DUMP SOL FUSE BLOCK GAGES FUSE GRN WIRE HOT AT ALL TIMES HOT IN RUN BRAKE FUSE HOT IN RUN, BULB TEST OR HOT IN START OR RUN ECM-IGN FUSE IGNITION SWITCH INSTRUMENT CLUSTER ISO SOL DUMP SOL VLV RESET SOL RETURN ISOLATION ORG/ WIRE PARK BRAKE WARNING SWITCH (UNDER LEFT SIDE OF I/P) PNK/BLK WIRE POWERTRAIN CONTROL MODULE (PCM) (UNDER RIGHT END OF INSTRUMENT PANEL) PPL REAR WHEEL ANTI-LOCK (RWAL) MODULE (LEFT REAR OF ENGINE (COMPARTMENT) RESET ANTI-LOCK BRAKE VALVE (LEFT SIDE OF ENGINE COMPARTMENT) SOL + SPD SIG INPUT WARNING LP BRAKE SW STOP FUSE TAN/WHT WIRE TCC/STOP LAMP SWITCH (TOP OF BRAKE PEDAL) VEHICLE SPEED SENSOR BUFFER (BEHIND I/P ON RIGHT SIDE OF STEERING COLUMN) WHT WIRE