Found on left side of driver knee, above the HOOD release but Facing SIDEWAYS and not easily simple to open.
It looks like (pic?) not here yet as added search tool)
Just under the dashboard, look for the harness/big wiring connecting to the Fuze Box.
Best wishes for Good luck...
Located under dash on drivers side near the door
On a 1992 Ford Aerostar, the horn relay is located in the power distribution box under the hood. This box is typically found near the driver's side of the engine compartment. You can identify the horn relay by consulting the diagram on the cover of the power distribution box, which indicates the specific location of each relay.
On a 1997 Ford Aerostar : The fuse box is under the instrument panel , on the drivers side
The population of Fuze Box is 2,012.
fuze box picture
On a 1996 Ford Aerostar : The fuse box is under the instrument panel , on the drivers side
I have an 86 ford tempo and my fuze box is on the drivers side above your left leg... the fuze box is labled, meaning all the different fuzes are labled. hope that helped you!
Fuze Box was created in 1998-10.
On a 1997 Ford Aerostar : The fuse box is under the drivers side of the dash
The flasher sylinoid should be in the fuze box under the dash on the left side of the steering collum. it will look like a round or sometimes square metal fuze larger than any other fuze in the box
See http://www.analogstereo.com/ford_aerostar_owners_manual.htm
Under the dash left of steering wheel