20 Most Recent 1985 Mercury Marquis Questions & Answers

not the relay but the horn contact under the wheel the wire to it or that contact is shorting out

Sounds like a corroded connection somewhere...where is hard to say without knowing what wires you "wiggled"...could also be ground from neg post to body...I have seen fuseable links do the same thing...sounds strange but I have seen it. Also seen a hot wire up against metal shutting it down..wiggle it and takes it just enough away from metal to allow normal operation again.
In other words...could be a lot of things.
From your description, I would start with the hot post at battery and follow that wire...same with ground.

Hi my name is Tom and I can help you.

All of the doors have a motor which connects to the window switch on your door. If you remove the door panel, you will see the motor. You then can find a used or new motor and that should solve your problem.

If you are looking for help, I can give you all you need to see the job done.

TomE

Sounds like faulty ignition switch.

need to check the platium gasket and the intake gasket and do not forget the choke give these websites a try www.alldatadiy.com and www.autozone.com if all fails stop by your local library and get your hands on a Haynes auto repair manual for your car wish you the best of luck Michigan Man.

u don't need a diagram, just replace the gas tank fuel gauge sending unit, that is always the problem in your model.

The best thing for you to do, is get a hayes manual from Advance or another dealer. We can give you the firing order but even as long as I have been doing this work, and the is 28 years, I still get confused with the wires. The hayes manual is only about 17 bucks and it has the pictures that will make if very clear. you have to start at the right point and follow the diagram.

Hope this helps, maybe the store will let you borrow the book if they were the store you bought the parts from.

my need to replace turn signal switch on the steering coloum. Dont know if it will help or not.

KO EO--38-40 psi
idle 38-42psi

Should be a 1/2" drive ratchet (or Johnson bar) hole in the arm of the tensioner. Insert your choice & turn clockwise I believe, to loosen tension. Careful, usually pretty strong tension.

your best bet is buy a subs cription on www.alldatadiy.com for $20.00 bucks and use what they have, it will show you the computer management system to fix your problem and allow you to take things out that are not needed.

i need pictures of how to change a heat core.

under dash above e break drivers side

Lets start by inspecting your battery and the connections. How dirty and corroded are your battery terminals? Be careful not to touch both terminals at the same time or ground out you + terminal when taking it off with a wrench. Get a wire brush and remove the battery terminal one at a time, negative - one first and after that do the same to the + one . clean the inside and out. They sell a terminal cleaner at the auto store that will do both inside and out . Pay particular attention to the - one ,this is likely your problem. Im having you start with the easiest most likely fix first. If this fixes it great, if it doesn't, get back to me and we will go for step two. Good luck, Robert

jumped battery started next day attempted to start and was dead i swapped out a battery no good then i swapped out the terminals to the battery and it started right up

About $300

Are you saying the engine will not crank, or not start ?If it won't crank, have you had the battery tested ? Is it draining power overnight ?