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

AUXILIARY ENGINE COOLANT FAN AUXILIARY ENGINE COOLANT FAN A/C PRESSURE SWITCH (IN A/C HIGH PRESSURE LINE) AUXILIARY FAN CONTROL SWITCH (ON RIGHT SIDE OF CYLINDER HEAD) BLK WIRE DK GRN WIRE FUSIBLE LINK GRN WIRE HOT AT ALL TIMES HOT IN RUN ENG 1 FUSE I/P FUSE BOX PNK WIRE RED WIRE