Hello I'm Jack Whatchier a proud owner of a 99 Buick Lesabre Limited it has 97,602.7 miles and has a 3800 stage 2 v6 over the last 3 days my power windows sometimes work, it started out with just the passenger side door not going up from the master panel it then corrected itself then the rear windows started the same system this time none of the switches worked then it fixed itself and the same problem has occurred again i noticed sometimes when trying to get windows up that my lights go dim for an instant and sometimes the windows moves, it this a problem on the fuse relay center or what I'd rather start out with the cheaper fixes before i go to a dealer thank you for your help