6.5l (vin f), cooling fan circuit for GMC Forward Control P3500 (1985-1999)

AUXILIARY ENGINE COOLING FAN (MOUNTED ON FRONT OF RADIATOR) BLK WIRE BLU WIRE DK BLU WIRE ENG 1 FUSE 15 FAN CONTROL RELAY (ON TOP OF STEERING COLUMN SUPPORT, BEHIND STEERING COLUMN) FUSIBLE LINK (18 GA- HOT AT ALL TIMES HOT IN RUN, START I/P FUSE BLOCK (BODY BUILDER INSTALLED) (BEHIND DASH PANEL) PNK WIRE RED WIRE