Originally posted by iamnotwhoiam
I too have been wanting to see about doing an auto-down for the passenger window (on the drivers door), but have not found any info. I would think that maybe somehow using the same electronics found in the drivers window switch on the secondary passenger switch may prove to be a way, but have not fiddled with it much, but would gladly like to help in any testing, research, etc making this come to fruition.
Take one apart. Should be a relatively obvious difference between the two...