Below steering wheel on the left.
If it is the same as a 1993 Ford Explorer it is in the interior fuse panel
The fuel pump relay on a 1987 Ford Ranger is located under the dashboard near the steering column. It is typically mounted right near the firewall.
The fuel filter on a 1987 Ford Ranger is located on the driver's side of the vehicle. It is mounted on the frame and it is about even with the rear door.
The computer on a 1993 Ford Ranger is located in the dash in the center just above the transmission hump. The computer is located just below the heater control panel.
on a 97 its behind the passenger side kick panel
the right kick panel is in front of the passenger door , the left kick panel is in front of the drivers door
You most likely have a leaking heater core inside the truck.......
On a 2001 Ford Ranger : Open the drivers door , and IN the drivers end of the dash you will see a removable plastic fuse panel cover . The fuse panel is behind the cover Also , the Power Distribution Box ( which is " live " ) is located in the engine compartment , on the drivers side of the engine compartment
It doesn't have one yes it does it's to the left and below the steering column . panel has two screws
In the front passenger footwell by ( or behind ) the kick panel
The fuse panel is located inside fuse box cover which is under he dash, near the steering wheel column on your Ford Econoline.
Probably at the rear lower end of engine--follow the + battery cable