1984 schematic refers to either your engine electrical wiring { picture of the wiring} or diagram like where vacuum hoses run to .
your answer is a Chilton's manual or a Haynes manual.
Click on the link below Click on Tech Library
You can find a 1993 Ford van vacuum schematics for a 5.0 engine in the car's owner's manual. You can also check with different auto stores.
picture of engine of 1991 ford aerostar van
which wiring schematics do you need?
Looking online is a great way to find the schematics you are looking for. www.allexperts.com has a lot of great information on firetube boiler schematics.
plxdevices.com
Numerich has schematics for nearly every fire-arm that was produced in quantity. You can find them on a search engine.
You have to find the schematics to make it.
When working on a car engine, a diagram helps to make sure things are fixed or changed correctly. The diagram for the 1993 Dodge Dakota engine can be found in its maintenance manual.
Have you tried the internet page for Chevrolet, it could be that the have details in their files. Hope you have luck Glyn Chapman, Berlin, Germany
You can find schematics for a John Deere X324 lawn tractor in the operator's manual that came with the machine. If you don't have the manual, you can usually find it on the John Deere website by searching for the model number. You may also find schematics in a service manual or by contacting a John Deere dealer for assistance.
I believe if you research the issue you will find that the Mercury Villager is actually a Nissan Quest and I doubt that the engine will fit the Ford Ranger. Good Luck!