GMC Cab & Chassis K3500 (1985-2000) Electrochromic mirror circuit

BLK WIRE BRN WIRE GAUGES FUSE 4 GRY WIRE HEADLAMP AMBIENT SENSOR SENSOR (MIRROR (WINDSHIELD SIDE) SIDE) HEADLIGHT CONTROL MODULE SIGNAL HEADLIGHTS SYSTEM (LUXURY) HOT IN RUN OR START I/P FUSE BLOCK (UNDER LEFT SIDE OF DASH) INSIDE AUTOMATIC DAY-NIGHT MIRROR LEFT OUTSIDE AUTOMATIC DAY-NIGHT MIRROR (LUXURY) LT GRN WIRE M/T A/T MIRROR INPUT MIRRORS SWITCH NCA WIRE OFF C/M PNK PNK WIRE PNK WIRE POWER DISTRIBUTION SYSTEM RIGHT OUTSIDE AUTOMATIC DAY-NIGHT MIRROR (LUXURY) T/M TEMPERATURE SENSOR (BEHIND CENTER GRILLE) TURN B/U FUSE 16 YEL/BLK WIRE