Doors Lock/Unlock with Key On/Off

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=146537
Printed Date: May 04, 2024 at 7:47 AM

Topic: Doors Lock/Unlock with Key On/Off

Posted By: blacklion62
Subject: Doors Lock/Unlock with Key On/Off
Date Posted: November 06, 2020 at 11:43 PM

Hello, all.

Is there a way, hopefully using relays, to unlock the doors when you put the car in park, and lock them when you take the car out of park?

I'm thinking it would need to be a one-shot and might connect to the reverse lights curcuit, as you pass the location when you put the car in gear, and when you put it in park. the output needs to swap polarity, ie: + - to lock, - + to unlock. This will be used on a '99 Tahoe, and an 88 Suburban. Thank you to all in advance. James

Replies:

Posted By: i am an idiot
Date Posted: November 07, 2020 at 7:55 AM

Diagrams 15 and 16

Posted By: blacklion62
Date Posted: November 07, 2020 at 2:01 PM

I'll try it. Thank you. What about alternating the lock/unlock signal coming from the backup lights positive?

James

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