Cooling fan circuit for GMC Savana Camper Special G3500 (1996-2011)

21 19 69 14 71 CLUTCH CTRL CLUTCH CTRL SPEED SIG 24 40 SENS SIG LOW REF BLK WIRE BRN/WHT WIRE COOLING FAN ASSEMBLY (BEHIND RADIATOR) DK BLU WIRE ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) ENGINE COOLANT TEMPERATURE (ECT) SENSOR (TOP OF ENGINE, NEAR THERMOSTAT HOUSING) FAN CLTCH (EV) FUSE 63 FAN LOGIC CLTCH (D) RELAY 50 GRY WIRE HOT W/ PWR/TRN RELAY 49 ENERGIZED LOW REF TAN WIRE UNDERHOOD FUSE BLOCK (ON LEFT SIDE OF ENGINE COMPT) WHT WIRE WHT/BLK WIRE YEL WIRE