Charging circuit, commercial chassis (diesel) for GMC Vandura G2500 (1985-1995)

ALT FUSE BAT VOLT SENSE INPUT BATTERY BATTERY JUNCTION BLOCK BLK WIRE FUSE BLOCK GENERATOR (NOT USED) (RIGHT FRONT OF ENGINE) HOT IN RUN, BULB TEST OR START INSTRUMENT CLUSTER PNK/BLK WIRE POWER DISTRIBUTION RECTIFIER BRIDGE RED WIRE REGULATOR (SOLID STATE) STATOR SUPPORT) SW BAT FIELD (ROTOR) TURN ON INPUT VOLT- METER