Rear defogger circuit for GMC Sierra III (2013-2015)

BLK WIRE EXCEPT 6.6L 6.6L LOGIC HVAC CONTROL MODULE MANUAL A/C AUTOMATIC A/C POWER DISTRIBUTION SYSTEM PPL REAR DEFOG FUSE 50 FUSE 47 REAR DEFOG RELAY REAR DEFOGGER IND REAR DEFOGGER SWITCH REAR WINDOW DEFOGGER GRID RED WIRE RED/BLK WIRE RR DEF RLY CTRL UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WHT WIRE