GMC Rally G3500 (1985-1996) 6.5l (vin y), charging circuit

BAT VOLT SENSE INPUT BATTERY JUNCTION BLOCK BLK WIRE BLK/RED WIRE FORWARD BATTERY FUSE BLOCK FUSIBLE LINK (12 GA. RUST) GAUGES FUSE GENERATOR (RIGHT FRONT OF ENGINE) GLOW PLUG CONTROLLER (LEFT SIDE OF ENGINE) HOT IN START OR RUN INSTRUMENT CLUSTER PNK WIRE PNK/BLK WIRE REAR BATTERY RECTIFIER BRIDGE RED WIRE REGULATOR (SOLID STATE) STARTER SOLENOID STATOR SW BAT FIELD (ROTOR) TURN ON INPUT VOLT- METER