Chevrolet Uplander I (2004-2008) Cooling fan circuit

1049 459 473 COMPUTER DATA LINES SYSTEM 15 53 54 15 33 50 CLASS 2 DATA RLY CTRL RLY CTRL 3.5L 3.9L 3.5L 35 55 30 55 LOW REF ECT SENSOR A/C CLTCH FUSE 6 A/C CLTCH RELAY A/C COMPRESSOR CLUTCH BLK WIRE DIODE 3 DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ENGINE CONTROLS SYSTEM FAN 1 FUSE 29 FAN 1 RELAY FAN 2 FUSE 33 FAN 2 RELAY FAN 3 RELAY GRN WIRE GRY WIRE HOT AT ALL TIMES HOT W/ IGN MAIN RELAY ENERGIZED LEFT COOLING FAN (BEHIND LEFT SIDE OF RADIATOR) LT BLU WIRE ORG/BLK WIRE POWERTRAIN CONTROL MODULE (PCM) (3.5L) ENGINE CONTROL MODULE (ECM) (3.9L) RED WIRE RIGHT COOLING FAN (BEHIND RIGHT SIDE OF RADIATOR) RLY CTRL UNDERHOOD FUSE BLOCK (IN UNDERHOOD COMPT, ABOVE RIGHT FRONT WHEEL WELL) WHT WIRE YEL WIRE