GMC Envoy II (2001-2009) Computer data lines circuit

AUXILIARY HVAC CONTROL MODULE (UNDER LOWER CONSOLE) BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (BENEATH LEFT REAR SEAT, ON REAR FUSE BLOCK) BRN WIRE BRN/WHT WIRE CLASS 2 SERIAL DATA DATA LINK CONNECTOR (DLC) (ON BOTTOM LEFT SIDE OF DASH) DIGITAL RADIO RECEIVER (RIGHT SIDE OF DASH, BEHIND GLOVE BOX) DIGITAL VIDEO DISC (DVD) PLAYER DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DRIVER'S DOOR MODULE (DDM) (BELOW DRIVER'S DOOR SWITCH PANEL) DRIVER'S MEMORY SEAT MODULE (BELOW LEFT FRONT SEAT) FRONT PASSENGER DOOR MODULE (FPDM) (BELOW FRONT PASSENGER DOOR SWITCH PANEL) GRY WIRE HIGH SPEED GMLAN SERIAL DATA (+) HIGH SPEED GMLAN SERIAL DATA BUS + HOT AT ALL TIMES HVAC CONTROL MODULE (CENTER OF DASH) INSTRUMENT PANEL CLUSTER (IPC) LIFTGATE MODULE (LGM) (IN CENTER OF LIFTGATE) LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE LTR FUSE 13 ORG/ WIRE PPL PPL 2 1 RADIO REGULATED VOLTAGE CONTROL MODULE (BEHIND BATTERY) SPLICE PACK TAN WIRE TAN/WHT WIRE TRANSFER CASE SHIFT CONTROL MODULE (BEHIND LOWER LEFT SIDE OF DASH) TRANSMISSION CONTROL MODULE (TCM) (LEFT FRONT OF ENGINE) UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENG COMPT) VEHICLE COMMUNICATION INTERFACE MODULE (VCIM) (UNDER RIGHT REAR SEAT) W/ AUTO A/C W/ MEMORY WHT WIRE YEL WIRE YEL/BLK WIRE