kdaddy Posted October 3, 2007 Report Share Posted October 3, 2007 My Drivers window on my 1991 DeVille goes down out of the blue even if I dont touch the switch. That being said where is the location of the Express Down control module. Also, is there a way I can bypass the feature. Kdaddy Link to comment Share on other sites More sharing options...
UKcat Posted October 3, 2007 Report Share Posted October 3, 2007 I don't know, but I am also having phamtom window problems. Hopefully, someone will tell you soon. We thought we had found a loose wire connector on the driver window, but that is not it. We are beginning to think it is in the button control section itself, instead of the wiring. My "other car" 1968 Pontiac GTO, 400, 4 speed, 366 h.p., matching numbers car *Get well soon, John Force!!!* Link to comment Share on other sites More sharing options...
WarrenJ Posted October 5, 2007 Report Share Posted October 5, 2007 WARNING: I have zero experience with '91 DeVilles. That said, my '98 has the "Express Down" electronics built into the driver's door window switch module. Absent surgery on the (sealed) switch module there is no simple way to bypass that feature. Cadillac has had a habit of doing the same things the same way over the years, so yours might be similar/same. If no one can offer you help, I'd suggest a trip to the bone yard for a replacement switch module. Regards, Warren There is no means of avoiding the final collapse of a boom brought about by credit expansion. The alternative is only whether the crisis should come sooner as the result of a voluntary abandonment of further credit expansion, or later as a final and total catastrophe of the currency system involved. - Ludwig von Mises Link to comment Share on other sites More sharing options...
harddriver Posted October 5, 2007 Report Share Posted October 5, 2007 Should be in the left hand front door at bottom behind the connectors about in the middle of the door.. Link to comment Share on other sites More sharing options...
kdaddy Posted October 6, 2007 Author Report Share Posted October 6, 2007 Harddriver, I will check it out Saturday and give an update. Kdaddy Link to comment Share on other sites More sharing options...
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