Cooling fan circuit for Chevrolet Cab & Chassis Silverado 3500 HD (2008-2011)

6.6L EXCEPT 6.6L, 4.3L 4.3L AUTOMATIC A/C MANUAL A/C BLK WIRE BLK/WHT WIRE COLNT LVL COMPUTER DATA LINES SYSTEM COOLING FAN DIODE 1 COOLING FAN DIODE 2 DK BLU/WHT WIRE DK GRN WIRE ENGINE CONTROL MODULE (ECM) (LEFT FRONT OF ENGINE COMPT, NEAR FAN SHROUD) ENGINE COOLANT LEVEL SWITCH (6.6L) (ON BOTTOM OF SURGE TANK) EXCEPT 6.6L, 6.0L (VIN K) FAN CNTRL RELAY FAN HI RELAY FAN LO RELAY FAN-1 FUSE 57 FAN-2 FUSE 60 GMLAN L GRY WIRE HOT AT ALL TIMES HVAC CONTROL MODULE LEFT COOLING FAN (LEFT FRONT OF ENGINE COMPT) LOGIC LT BLU WIRE LT GRN WIRE ORG/BLK WIRE PWR/ TRN RELAY RIGHT COOLING FAN (RIGHT FRONT OF ENGINE COMPT) TAN WIRE TAN/BLK WIRE UNDER- HOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) YEL WIRE