Check to make sure nothing was on during the night and if not then your battery is weak (your cells in the battery) are weak...get a new battery.
Yes it will
Drivers side past the battery, look down and you will see a journal where radiator hoses connect, that is where the thermostat is.
In all probability the alternator is not charging as it should. It could be from a bad voltage regulator or the alternator being defective.
The cabin air filter in the 1998 Lincoln Mark is located behind the glove box. The glove box will need to be removed to get to the filter.
1998
Yes - but you will have to swap the intake manifolds and probably the exhaust manifolds.
In the trunk under the package shelf
Probably the alternater
Go to http://www.markviii.org you will find what you need on the Mark VIII
e bay
Yes, they have the ABS brakes.
www.HelmInc.com has shop manuals