All-wheel abs circuit, with drl for GMC Cab & Chassis K2500 (1989-2000)

ANTI-LOCK IND BATT GROUND BLK WIRE BRAKE IND BRAKE PRESSURE BRAKE WARN IND BROUND BRN WIRE CRUISE CONTROL SYSTEM CYLINDER DATA LINK CONNECTOR DAYTIME RUNNING LIGHTS MODULE (UNDER LEFT SIDE OF I/P) DIODE (BEHIND LEFT SIDE OF I/P) DIODE (BEHIND LEFT SIDE OF I/P) DK GRN WIRE FUSE BLOCK FUSIBLE LINK (16 GA- HOT AT ALL TIMES HOT IN RUN BRAKE FUSE HOT IN START OR RUN GAGES FUSE ECM-IGN FUSE IGN FEED ABS IND BRAKE SW IGNITION SWITCH INSTRUMENT CLUSTER LEFT FNT SENS LO RT FNT SENS LO LEFT FRONT WHEEL SENSOR LT BLU WIRE PARK BRAKE SWITCH (ON PARK BRAKE ASSEMBLY) PNK/BLK WIRE PPL PPL PPL RED WIRE RIGHT FRONT WHEEL SENSOR RT FNT SENS HI LEFT FNT SENS HI TAN WIRE TAN/WHT WIRE TCC BRAKE SWITCH (ON BRAKE PEDAL SUPPORT ARM) VSS BUFFER INPUT DLC WARNING LAMP WARNING (ON MASTER BRAKE WHT WIRE YEL WIRE