GMC Cab & Chassis Sierra 3500 (2004-2007) Electrochromic mirror circuit

10 12 PNK WIRE 16 5 PNK WIRE 8 7 PNK WIRE AIR TEMP SENSOR AIRBAG FUSE AMBIENT AIR TEMPERATURE SENSOR (IN RIGHT FRONT BUMPER FILLER ASSEMBLY AMBIENT PHOTO SENSOR BACK UP LAMP VOLTAGE OUTPUT BACK UP VOLTAGE BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (ON LOWER LEFT SIDE OF DASH, BELOW STEERING COLUMN) BODY RELAY BLOCK COMPASS COMPUTER DATA LINES SYSTEM DK GRN/WHT WIRE DRIVER DOOR MODULE (DDM) (IN DRIVER'S DOOR) DRIVER OUTSIDE REARVIEW MIRROR ELECTRO- CHROMIC ELECTROCHROMIC MIRROR EXCEPT 10 SERIES/ CREW CAB GROUND GRY WIRE HOT IN RUN, START IGN 3 INSIDE REARVIEW MIRROR LEFT I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) LOGIC LOW REF LOW REF MIR SIGNAL LT GRN WIRE PNK WIRE RR LIGHT PHOTO SENSOR SELECTOR SWITCH SERIAL DATA SUPPLEMENTAL RESTRAINTS SYSTEM TEMP UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) YEL WIRE