windows roll up/dpwn module

[1ricardo]

Dear Friends

I wont to install a window roll up/down module on my 1983 911 targa

I would like to the windows go down ( a little bit) when I open the door and for the window go up again when I close the door

Does any only know a window module that do this job?

I actually found one but my electrician told me that the window switch on the 911 rest on a positive wire and mostly of this module require a switch that rested on the negative wire

Does this affirmation makes any sense? Is he correct?

Thanks you all

Ricardo

[Reiver]

The later 911 (83 on up I believe) convertibles have this feature so it should be doable if you source/find the right door mechanisms.