Auto up and down on 3 wire power windows
Printed From: the12volt.com
Forum Name: Relays
Forum Discription: Relay Diagrams, SPDT Relays, SPST Relays, DPDT Relays, Latching Relays, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=142056
Printed Date: May 05, 2024 at 8:48 AM
Topic: Auto up and down on 3 wire power windows
Posted By: emperorbrownsug
Subject: Auto up and down on 3 wire power windows
Date Posted: November 18, 2016 at 11:14 PM
Seeing if anyone had an idea or diagram I could borrow to add one touch up and down features to an old gm 3 wire power window setup. The problem I'm having is the aftermarket units dei or autoloc are setup for the 5 wire type with the switching ground. The motors on the old cars ground themselves at the mounting points on the door. Any ideas or help would be appreciated thanks in advance.
Replies:
Posted By: emperorbrownsug
Date Posted: November 18, 2016 at 11:15 PM
Car is a 1977 chevy monte carlo
Posted By: howie ll
Date Posted: November 19, 2016 at 5:15 PM
Test the wiring at the switches. If one goes to ground and the other goes to 12V+ for one direction then they change over for the other direction, then use what DEI call type "A".
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Amateurs assume, don't test and have problems; pros test first. I am not a free install service.
Read the installation manual, do a search here or online for your vehicle wiring before posting.
Posted By: Ween
Date Posted: November 19, 2016 at 5:20 PM
Some info here https://www.the12volt.com/installbay/forum_posts.asp?tid=133932
Posted By: howie ll
Date Posted: November 22, 2016 at 4:41 PM
Thanks Ween I've finally got it as well!
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Amateurs assume, don't test and have problems; pros test first. I am not a free install service.
Read the installation manual, do a search here or online for your vehicle wiring before posting.
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