GMC Sierra III facelift (2015-2018) Cooling fan circuit

BLK WIRE BLK/BRN WIRE BLK/WHT WIRE BLU WIRE BLU/VIO WIRE BLU/YEL WIRE COMPUTER DATA LINES SYSTEM COOL FAN CLTCH FUSE COOLING FAN CONTROL MODULE COOLING FAN RELAY CTRL SIG DATA 1 (+) DK BLU WIRE DRIVER INFORMATION CENTER DISPLAY ECT SENS SIG ENGINE CONTROL MODULE ENGINE COOLANT LEVEL SWITCH ENGINE COOLANT TEMPERATURE GAUGE ENGINE COOLANT TEMPERATURE SENSOR GRY/GRN WIRE GRY/RED WIRE HOT W/ ENGINE CONTROLS IGNITION RELAY ENERGIZED INSTRUMENT CLUSTER LO COOLANT LEVEL IND CTRL LOGIC LOW REF RLY SPD SIG SERIAL DATA SPD SIG UNDERHOOD FUSE BLOCK WHT WIRE WHT/BLK WIRE