Charging circuit for Buick LaCrosse I (2004-2009)

3.6L 3.8L BATT + BATTERY BATTERY CURRENT SENSOR BLK WIRE BLK/WHT WIRE BRN WIRE CHARGE INDICATOR CLSTR FUSE COMPUTER DATA LINES SYSTEM CURRENT SENSOR LOW REF CURRENT SENSOR SIG DK GRN WIRE ECM CLASS 2 SERIAL DATA ENGINE CONTROL MODULE (ECM) (TOP OF ENGINE) FUSIBLE LINK (8 GA- GENERATOR GENERATOR FIELD DUTY CYCLE SIG GENERATOR TURN ON SIG GROUND GRY WIRE HOT AT ALL TIMES I/P CLASS 2 SERIAL DATA I/P DIMMING VOLTAGE REF I/P FUSE BLOCK (BEHIND RIGHT SIDE OF DASH) INSTRUMENT PANEL CLUSTER (IPC) LOGIC ORG/ WIRE PCM CLASS 2 SERIAL DATA PCM/ECM CLASS 2 SERIAL DATA POWER DISTRIBUTION SYSTEM POWERTRAIN CONTROL MODULE (PCM) RED (OR ORG) WIRE RED WIRE RED/WHT WIRE SPLICE PACK STARTER WHT WIRE