7.4l (vin j), cooling fan circuit for GMC Forward Control P3500 (1985-1999)

AUX FAN CTRL AUX FAN SW SIGNAL BLK WIRE BLU WIRE DK BLU WIRE ENG BAT FUSE 10 ENGINE COOLANT FAN MOTOR (MOUNTED TO RADIATOR) FAN CONTROL RELAY (ON TOP OF STEERING COLUMN SUPPORT, BEHIND STEERING COLUMN) FUSIBLE LINK (18 GA- HOT AT ALL TIMES I/P FUSE BLOCK (BEHIND DASH PANEL) ORG/ WIRE RED WIRE VEHICLE CONTROL MODULE (VCM) (ON TOP OF RADIATOR SUPPORT)