6.6l vin 2, charging circuit for Chevrolet Chevy Express G3500 (1996-2012)

AUXILIARY GENERATOR BATTERY BATTERY IND CLASS 2 SERIAL DATA BLK WIRE BRN/WHT WIRE CHARGE IND CTRL CLASS 2 SERIAL DATA DK GRN WIRE ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) FUSIBLE LINK 3 FUSIBLE LINK 5 GENERATOR GENERATOR FIELD DUTY CYCLE SIG GENERATOR TURN ON SIG GRY WIRE HOT IN RUN, START UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENG COMPT) IGN E FUSE 22 IGN VOLT INSTRUMENT PANEL CLUSTER LOGIC ORG/ WIRE PNK WIRE POWER DISTRIBUTION SYSTEM RED WIRE SECONDARY BATTERY STARTER UNDERHOOD JUNCTION BLOCK POWER DISTRIBUTION SYSTEM