Try AUTOBOOKSONLINE.COM If they don't have the wiring diagram separate they may have a shop manual
You can replace the alternator on your 1989 Mercury Cougar by removing the alternator belt. Disconnect the wiring harness from the back of the alternator. Remove the alternator retaining bolts. Reverse the process to install the new alternator.
You can find this at you local public library...........
Where is the radio amplifier in a 1989 mercury couger
how can you start a '89 mercury cougar with a broken ignition switch?
with your eyes
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.
cougar 1989 no lighting in dash instruments or speedometer. Where do I look for an open circuit. Fuses all checked good.
its one
Hi there, it is 5-108 mm. Hope this helps...
Adjust the striker if door otherwise aligned ok.
at the junk yard