A very hard job to do. Mustang wiring harnesses are complicated things; unless you really know something about automotive wiring and electrical stuff, you're way better off taking it to someone who does.
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 www.the12volt.com they have free wiring diagrams.
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.
Haynes auto books
Anyplace there is a need to protect the electrical wiring from an overload or short in the wiring.
the motor will fit but you will have to use the 5.0 mustang motor mounts.the wiring will not work.you will be better off to find a 94-95 mustang gt harness and computer unless you are going carb.
go to the link on the right installdr.com
go to your local auto parts store and buy a haynes manual. In the back they have full wiring diagram.
any autoparts store, they will show you one free
At Canadian Tire store in the automotive department.
Buy a motor manual with one in it.
The average 1969 Mustang Fastback would have an engine that contains 6 cylinders. However, it is possible to find car owners who have upgraded or done work on their Mustangs and have upgraded their engines' capacities.
Check your local library ,they usually have repair manuals.
chiltons repair manual at the library for 69 chevy.
You get a test light and a multimeter and trace the wiring.
Try going to an auto shop an ask one of all of the workers or try the internet
Return the pedals or sell them they are junk, they are distracting while driving and if you are set on using them, seel the mustang and buy a HONDA!!!
A fully restored 1969 Ford Mustang Fastback may be found through Hemmings. However, the chances of buying one would be slim since owners of these vehicles really love them and rarely sell them.
You need to find the short circuit in the wiring.
i have the the full wiring diagram for the entire truck i can e mail you