using the ground when armed wire

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kero_1116

Member - Posts: 13

Joined: March 22, 2009

Posted: April 17, 2009 at 3:06 AM / IP Logged

I was wondering my alarm system has a ground-when-armed output. I want to add both a starter kill and an flashing led I bought (not the led that comes with the alarm).

Do I need a diode to put them 2 together? If yes, what type do I need?

Thanks!

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KPierson

Platinum - Posts: 3,527

This member consistently provides reliable information

Joined: April 14, 2005

Location: Ohio, United States

Posted: April 17, 2009 at 5:52 AM / IP Logged

Yes, you will need to diode isolate everything on the ground when armed wire. If not, you will get feedback through the starter kill relay coil that will cause your other accessories to think the alarm is armed whenever the vehicle is off.

Kevin Pierson

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t&t tech

Platinum - Posts: 2,608

Joined: October 05, 2008

Location: Trinidad and Tobago

Posted: April 17, 2009 at 6:12 AM / IP Logged

you will need two one amp diodes connected with the striped bar facing the ground when armed wire.

commit your way to jehovah and he will act in your behalf. psalms 37:5

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kero_1116

Member - Posts: 13

Joined: March 22, 2009

Posted: April 17, 2009 at 5:48 PM / IP Logged

Thanks.

Now, I have lots of accessories such as LED flashing light, trunk popper, starter kill, and etc., that I want to add that require a 12V source. I was wondering if all those accessories can connect to the 12V wire that came with the alarm system with the fuse.

Thanks!

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KPierson

Platinum - Posts: 3,527

Joined: April 14, 2005

Location: Ohio, United States

Posted: April 17, 2009 at 5:50 PM / IP Logged

You should be able to no problem.

Kevin Pierson

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using the ground when armed wire

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