86 Ford F150 Fuse Box Diagram - Circuit Diagram Maker 86 Ford F150 Fuse Box Diagram - Welcome, thank you for visiting this simple website, we are trying to improve this website, the website is in the development stage, support from you in any form really helps us, we really appreciate that. SOLVED: Fuse box i need a fusebox diagram for an 86 fiero Go to google. type in 1998 ford mustang fuse box diagram and search for images. Locate the closest one to your fuse box and look on label for "fan" I’m happy to help further over the phone at https: It is in the middle of the Fuse box. 86 -88 should have the same fuse box.