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door unlock, 92 chevy pickup

Printed From: the12volt.com
Forum Name: Car Security and Convenience
Forum Discription: Car Alarms, Keyless Entries, Remote Starters, Immobilizer Bypasses, Sensors, Door Locks, Window Modules, Heated Mirrors, Heated Seats, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=69097
Printed Date: May 22, 2024 at 9:00 PM


Topic: door unlock, 92 chevy pickup

Posted By: kopz
Subject: door unlock, 92 chevy pickup
Date Posted: December 24, 2005 at 8:14 AM

92 chevy pickup, with auto door lock -no remote, i installed a Designtech M/N-23926  I want to try and kook up a relay from the auto start

to triger the door to unlock, can i hook to the alarm disarm, or the ign. 3, or maybe the horn from the control, i just want it to unlock

when i remote start.

                   Thank's for any help !




Replies:

Posted By: Chris Luongo
Date Posted: December 24, 2005 at 11:19 AM
Is that the Designtech that doesn't have any doorlock outputs? Yes, you're right, the factory-alarm-disarm output could be used to trigger a relay to unlock the doors.

The horn output is very brief, and probably would not stay on long enough to unlock.

That truck has a 5-wire doorlock system; you'll need a relay, and you'll have to look at the various diagrams on this website to learn how to do a 5-wire (also called "reversing polarity") unlock.

The easiest place to get to the doorlock wires in that truck, is by removing the left front speaker. There is a thick harness just under the speaker, and the lock wires are in there.


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