Who knows how to add auto down power windows to a 1994 silverado

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Moparmat2000

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Wanting to add auto down window feature to my 1994 Silverado's power windows. Anybody here know how to wire this in? What does the auto down relay box look like? What GM cars should I look for to get a couple of them at the junky?

Thanks
Matt
 

Bear 77

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I seen a thread about adding the auto window down but can’t recall the name of it. IIRC, said something about a 90’s Buick...maybe someone with more knowledge will chime in.


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Moparmat2000

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I looked at the schematics. Seems simple enough. It looks like one auto down relay can be wired in for 2 switches, either that, or I am reading it wrong, and need one per switch.
 

MIHELA

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1 per door. Then both switches can have the feature. They rely on the button being pressed for at least .3 seconds, that's it. You could stick them in a Studebaker and make them work.
 

Moparmat2000

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Not too many if any of those in my local boneyard. I got luxobarges though. Buick park aves abound in my boneyard. What years do I need to look for.
 
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