You can view the 2002 Mercury Grand Marquis owners manual online at :
www . motorcraft service . com ( no spaces )
Click on Owner Guides
( page 63 has the list for the type of bulbs used on a 2002 Mercury Grand Marquis )
a size 8
Which ones?
28 in. diameter tires
15 inch
According to the 1999 Mercury Grand Marquis Owner Guide : # 16 is a ( 20 amp fuse ) for the cigarette lighter
( 20 U.S. gallons )
Should be 4x6. 3x5 is the other size.
9004
One that fits.......
The Mercury Grand Marquis is a nice big car, especially those from 1986, very roomy for those who are tall, with long legs. The original tires size for this vehicle is 215/70-15. There is no other size suggestions for this vehicle.
front 6x8 back 6x9
According to the 1998 Mercury Grand Marquis Owner Guide : ( 71.9 litres / 19.0 U.S. gallons )