A Haynes manual available at most auto parts stores or you can check your local library.
Try AUTOBOOKSONLINE.COM If they don't have the wiring diagram separate they may have a shop manual
You can find this at you local public library...........
how can you start a '89 mercury cougar with a broken ignition switch?
Where is the radio amplifier in a 1989 mercury couger
where can i find a vacuum line diagram for 1989 ford 2.9 liter engine
with your eyes
Autozone web page has the Vacuum diagram for the1989 Dodge Dakota.
it' on the left hand side by the exhaust
The fuel PCM on a 1989 Mercury Cougar is located above the gas tank. It is on the rear fender wall on the driver's side of the vehicle. The Fuel Pressure Control Module is another way to say fuel pump.
You can find a vacuum line diagram for a 1989 Dodge Dakota by checking the owner's manual. You can also find them at different auto part retail stores.
cougar 1989 no lighting in dash instruments or speedometer. Where do I look for an open circuit. Fuses all checked good.
Go to http://ww.mitchellrepair.com