Yes. You may need a friend if the bolts are tight and to tighten the belts.
yes it will i have a optima battery in my 1995 marquis
It is located internally in the Alternator.
Two possible reasons. One, the Alternator is bad and two, the battery has a dead cell in it. Advance Auto Parts offers free testing on both.
A bad starter can cause a Mercury Grand Marquis to not start. A bad alternator or a problem with the security system can be the cause for the car not starting.
Battery may have a dead cell and need replacing.
Might be you alternator. Happened on my 1997 grand marq a couple of weeks ago
Test the volts out with a Volt Meter. Or take it to Advance Auto Parts. They will check it for free.
Anything's possible (...but why?)
Here's an idea, take it to a mechanic....dont install big things that need to be professionally installed for your own safety.
I'm not positive about the GRAND Marquis, but the Marquis does have an external voltage regulator. Located on the passenger side wheel well. It's a slim silver box that simply plugs in. Easy replacement...........
Either the battery is very weak or the alternator has bad diodes .
Check the fuel filter if the cars battery and alternator is good it might be the lack of fuel that is bogging the car down. My advice to you would be to check or replace the fuel filter.