Buick Enclave I (2007-2013) Rear differential lock circuit

AWD FUSE (ABOVE RIGHT FRONT WHEELWELL) BLK WIRE CASE FLUID TEMP CASE ACTUATOR LOW LOW REFERENCE CASE ACTUATOR HI COMMUNICATION ENABLE B+ COMPUTER DATA LINES SYSTEM DK GRN WIRE DRIVER INFORMATION CENTER (DIC) DISPLAY GMLAN DATA BUS- GMLAN DATA BUS+ GROUND HOT AT ALL TIMES INSTRUMENT PANEL CLUSTER (IPC) LOGIC LT BLU WIRE REAR DIFFERENTIAL CLUTCH CONTROL MODULE REAR WHEEL DRIVE MODULE CLUTCH RED/WHT WIRE SERIAL DATA TAN WIRE TAN/BLK WIRE UNDERHOOD FUSE BLOCK