The 1988 Mercury Grand Marquis circuit breaker for the power windows can be found in the fuse box. The circuit breaker will be in the first column, third from the bottom.
At the front of the engine , towards the drivers side of the engine ( power steering fluid reservoir on a 1998 Mercury Grand Marquis )
I was looking at a picture in the 2003 Mercury Grand Marquis Owner Guide and it shows the power steering fluid reservoir at the front of the engine compartment between the engine coolant reservoir and the engine air filter box
Having owned many lincolns and Grand Marquis over the years I have learned, the hard way, to open/close ALL the windows once per week so they don't seize up.
What is the problem with the windows? -- be more specific with your question... window will not go up or down without help. Have lubed channel and regulator.
Begin by removing the wiring harness from your 1994 Mercury Grand Marquis power antenna. Remove the power antenna retaining nuts. The power antenna will come off.
Into the power steering reservoir.
It is part of the power steering pump assembly.
Power windows normally use a breaker, not a fuse.
fuel gauge not working and power windows and radio.2004 mercury mountaineer.
Fuse or relay defective.
That's how they work. One button for one window. They don't go down all at the same time.