Charging circuit for Cadillac XLR I (2003-2009)

BATTERY BLK WIRE BLK/WHT WIRE CHECK GAGES CLASS 2 (BCM) IGN MESSAGE REQUEST (BCM) B+ IPC CLASS 2 SERIAL DATA COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE (ECM) (LOWER RIGHT REAR OF ENGINE COMPT) FUSIBLE LINK (8 GA- GENERATOR GENERATOR FIELD DUTY CYCLE SIGNAL GENERATOR TURN ON SIGNAL GRY WIRE HEAD UP DISPLAY (HUD) HIGH SPEED GMLAN SERIAL DATA BUS + HORN FUSE 2 HUD CLASS 2 SERIAL DATA HUD MESSAGE CENTER INSTRUMENT PANEL CLUSTER (IPC) LOGIC LOGIC MESSAGE REQUEST ORG/ WIRE RED WIRE RED/WHT WIRE SPLICE PACK STARTER TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK (RIGHT REAR OF ENGINE COMPT) VOLTS WHT WIRE YEL WIRE