take it to the dealer
How do you replace the timing chain on a 1994 mercury grand marquis
how do i replace a passenger side headlamp for a 2004 grand marquis gs
To remove the heater core on a 1992 Grand Marquis, first remove the dash board. Then remove the AC box to have access to the heater core.
For a 1995 Marquis it requires a skilled mechanic several hours to drop steering column, remove entire dashboard, disconnect airbags, just to get to the heater core.
where is the heater control valve
how to replace starter on 2000 mercury grand marquis
how do you replace the front sway bar likn in a 1999 Grand Marquis?
how do you get to and replace the wiper moter on a 97 marquis
Grand Marquis? Up under the dash passenger side
The relay for a 99 Grand Marquis heater is located on the kick panel on the driver's side of the car. The relay is located under the kick panel cover.