GMC Cab & Chassis C3500 (1985-2000) 4.3l (vin z), charging circuit

BAT VOLT SENSE INPUT BATTERY JUNCTION BLOCK BLK WIRE BRN WIRE CHARGE INDICATOR FIELD (ROTOR) FUSE BLOCK FUSIBLE LINK (12 GA. RUST) GAUGES FUSE GENERATOR (TOP LEFT FRONT OF OF ENGINE) HOT IN RUN, BULB TEST OR START INDICATORS LEFT BATTERY PNK INSTRUMENT CLUSTER WIRE PNK WIRE RECTIFIER BRIDGE RED WIRE RED/BLK WIRE REGULATOR (SOLID STATE) RIGHT BATTERY STARTER SOLENOID (LOWER RIGHT REAR OF ENGINE, ON STARTER MOTOR) SW BAT TURN ON INPUT W/DIESEL ENGINE W/GASOLINE ENGINE W/DIESEL ENGINE