How to Create a Ground While Armed?

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=140965
Printed Date: April 20, 2024 at 5:14 AM

Topic: How to Create a Ground While Armed?

Posted By: kulblue
Subject: How to Create a Ground While Armed?
Date Posted: March 05, 2016 at 6:16 PM

I have Alarm with out Ground-While-Armed. I want to add DEI 516U to my alarm and need to connect the Ground-While-Armed. How to Create a Ground-While-Armed? My car is Honda Accord 09.

Replies:

Posted By: the12volt
Date Posted: March 05, 2016 at 7:17 PM

What alarm do you have? Does your alarm have door lock/unlock outputs? Do you have a manual for this alarm?

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Posted By: kulblue
Date Posted: March 05, 2016 at 7:27 PM

I Bought my alarm from china and doesn't have a GWA. Yes have the lock/unlock output. The alarm fratures remote start/stop , push button start/stop and pke (passive keyless entry)

Posted By: the12volt
Date Posted: March 05, 2016 at 7:51 PM

You could wire relays to create a latch when disarmed/unlocked that would open one relay's normally closed terminals that would supply a ground when the alarm is armed/locked. When disarmed/unlocked the normally closed contacts would open. Wiring the relays (latch) to only energize while disarmed would prevent any additional drain on the vehicle's battery while the alarm is armed. I can draw this up, but would like more information about your alarm.

Are the door lock outputs from your alarm negative or positive outputs? Can you upload the manual for your alarm or take photos of it and post them here?

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Posted By: kulblue
Date Posted: March 05, 2016 at 8:16 PM

Will do. I'll take photo shortly. Thanks for reply

The door lock has -/+ output. I used - neg door lock/unlock

Posted By: i am an idiot
Date Posted: March 05, 2016 at 8:26 PM

Check the 2 wires that go to the LED. 1 of those may be ground when armed.

Posted By: kulblue
Date Posted: March 05, 2016 at 8:39 PM

doesn't had LED

Posted By: kulblue
Date Posted: March 05, 2016 at 8:44 PM

Posted By: Ween
Date Posted: March 05, 2016 at 9:07 PM

A dual coil latching relay (such as this.. https://www./itm/Latching-Relay-Dual-Coil-12-Volt-/121913101427?hash=item1c62964c73:g:NJMAAMXQTM1R7dO3 ) connected to the door lock outputs would provide a ground while armed signal. The relay has two coils (set and reset). Set coil to lock output, reset to unlock output. The contacts of the relay wired accordingly.

Posted By: kulblue
Date Posted: March 05, 2016 at 9:30 PM

The Link doesn't work. Do you have the Diagram? Thanks for reply.

Posted By: i am an idiot
Date Posted: March 06, 2016 at 7:38 AM

There are 3 pins on the Shock sensor connector. Check them.

Posted By: kulblue
Date Posted: March 06, 2016 at 10:52 AM

Yes the shock sensor has the 3 pin.

Posted By: kulblue
Date Posted: March 06, 2016 at 11:28 AM

The Manual for DEI 516U

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Posted By: i am an idiot
Date Posted: March 06, 2016 at 2:10 PM

Did you check the 3 pins of the shock sensor connector?

Posted By: kulblue
Date Posted: March 06, 2016 at 3:24 PM

The green wire from dei 516u I connected to one of the 3pin shock sensor.

Posted By: kulblue
Date Posted: March 07, 2016 at 11:13 AM

Someone? Pls! Help

Posted By: the12volt
Date Posted: March 07, 2016 at 3:37 PM

Here's a diagram I just created for you. Please read the second paragraph in my description.
https://www.the12volt.com/relays/relaydiagram69.html

Connect your negative unlock output to the light blue wire and connect your negative lock ouput to the green wire, then use the orange wire as your "ground when armed" output.

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Posted By: kulblue
Date Posted: March 07, 2016 at 5:15 PM

Thanks. I appreciate it.

These r right to go on the wiring?

Light blue go to - neg. Unlock
Green go to - neg. Lock
Orange go to ground-while-armed DEI 516U or any has the GWA?
Voilet go to ??? Or go to GWA ?

Posted By: the12volt
Date Posted: March 07, 2016 at 5:33 PM

Correct. Light blue to negative unlock from alarm, green to negative lock from alarm, and orange is your "Ground while armed" output.

The violet wire doesn't need to be connected to anything, but can be used if you need a ground while unlocked/disarmed.

When you first wire this up, the orange wire will provide ground until you disarm your alarm, even if you have not yet armed it. After the first cycle, it should perform as you want.

The violet provides a ground while latched. If you were to connect unlock to green and lock to blue, then this would be your ground while armed, but this would also pull more current from the battery while the alarm is armed, hence recommending wiring the way I stated above ;)

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Posted By: kulblue
Date Posted: March 07, 2016 at 9:42 PM

Sweet.... Thank you so much!!!! I will try it this weekend. I appreciate it..

Posted By: kulblue
Date Posted: March 20, 2016 at 1:58 PM

Works great !!!!

Thanks!!!!

Posted By: the12volt
Date Posted: March 21, 2016 at 10:56 AM

You're welcome!

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