veryuseful.com/mustang/tech
http://www.moby302.co.za/wiring/diagrams.html
When working on anything electrical in a car, it is imperative to have a diagram. A diagram of the cooling fan wiring to a 1996 Mustang can be found in its maintenance manual.
Classicarwiring.com (eBay)
Try MOTORLIT.COM.
You will find a free wiring diagram at: www.veryuseful.com/mustang/tech/engine#Diagrams Good Luck!
You can find a fuse box wiring diagram for a 1985 Mustang GT 5.0 in the vehicle's owner manual. You can also find them at designated auto part stores.
go to your local auto parts store and buy a haynes manual. In the back they have full wiring diagram.
Go to www.the12volt.com they have free wiring diagrams.
Autozone
Haynes auto books
Go to: www.veryuseful.com/mustang/tech/engine#Diagrams Good Luck!
on line