Radio On Until Door Open and Closed
Printed From: the12volt.com
Forum Name: Car Audio
Forum Discription: Car Stereos, Amplifiers, Crossovers, Processors, Speakers, Subwoofers, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=32665
Printed Date: May 05, 2025 at 9:24 PM
Topic: Radio On Until Door Open and Closed
Posted By: studman
Subject: Radio On Until Door Open and Closed
Date Posted: May 24, 2004 at 3:27 PM
I've read a few threads where you can wire up the accessory circuit to be powered until you open a door. However, I'm interested in something a little more advanced.
Currently, I have a Viper 800 ESP alarm installed in a vehicle. The 800 ESP has this fuctionality already built into it, short of the final relay that powers the actual accessory wire. I am looking to upgrade the 800 ESP to the new Viper 791XV. The 791XV includes remote start, so factor that into the equation.
The vehicle uses a negative door trigger. I would like the circuit to be triggered only when the key is used. I would also like it to remain powered until a door is opened and then closed. Upon closing the door, the radio would shut off. Another option could/should/would be to have the circuit shut off if the car was armed.
I'm sure that a few relays would be involved to complete this circuit. The basic circuit that is in the relay section works fine for holding the circuit's power until a door is opened. It doesn't add support for the remote start, but "the12volt" wrote in a thread that you could add a 3rd relay to trigger based upon the key-sense wire, etc.
So in adding one step further, how would I accomplish this?
Replies:
Posted By: kgerry
Date Posted: May 25, 2004 at 9:34 AM
look at a DEI 611T latching relay module
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Kevin Gerry
Certified Electronics Technician
MECP First Class Installer
Owner/Installer
Classic Car Audio
since 1979
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