The question you ask is too involved for a proper answer. You may want to go to a car parts store, and get a repair manual for your car. They cost about $16.00 Or, go to a Public Library.
Replace power window relay.Located under drivers side scuff plate.
how to replace window toggle switch 1999 buick century
I need to replace the back window of a 1999 Nissan Altima how do I do this
on the passenger side there is a fuse cover on the floor, take off the panel and look at the back, find power window fuse, take it out, replace with new one
How to remove the window motor from the regulator
How to replace a window and regulator on a 1998 checy malibu?
Remove the instrument cluster then replace the bulbs. = =
If you are mechanically inclined it is cheaper to replace the entire engine
It is inside the fuel tank
With a test light.
It's not on a track, the 1999 Regal windows have cables, therefore, you will have to replace the window motor.
If you have an OEM top? the window zips out, if an aftermarket it's usually sewn in.