I would first have the battery checked. It sounds like a weak battery. It could also be the computer. In fact, there are a number of possibilities but the first thing I would check would be the battery.
You can view the 2008 Mercury Grand Marquis owners manual online at : www . motorcraft service . com ( no spaces ) Click on Owner Guides The fuse section starts on ( page 194 )
Mercury Grand Marquis was created in 1983.
You can view the 1998 Mercury Grand Marquis owners manual online at : www . motorcraft service . com ( no spaces ) Click on Owner Guides ( the fuses and relays section starts on page 95 , it has the diagrams and lists )
You can view the 2000 Mercury Grand Marquis owners manual online at : www . motorcraft service . com ( no spaces ) Click on Owner Guides The fuses and relays section starts on page 135 it has the lists and diagrams
what is a fire order for 1998 mercury grand marquis
.054 is the gap for the Mercury Grand Marquis.
how to replace starter on 2000 mercury grand marquis
Belt gets wet and starts to slip?
How do you replace the timing chain on a 1994 mercury grand marquis
yes
No , the last model year for the Mercury Grand Marquis was the 2011 model
Grand Sedan