http://www.moby302.co.za/wiring/diagrams.html
veryuseful.com/mustang/tech
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.
wiring diagramfor 1968 windshield wiper motor
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.
Haynes auto books
The best place to find a wiring diagram is in the Cadillac Shop Manual. You can find one on eBay in the $50 range. It gives you the wiring diagram and so much more. Mine is becoming threadbare from use.
any autoparts store, they will show you one free