adding leds to an existing alarm

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gary34

Member - Posts: 6

Joined: October 14, 2014

Location: North Carolina, United States

Posted: October 17, 2014 at 6:11 PM / IP Logged

I have a 2012 dodge avenger and want to add leds to the alarm so that they only come on when the system is armed. But dont know where the alarm is located or what i am doing

howie ll

Pot Metal - Posts: 16,466

Joined: January 09, 2007

Location: United Kingdom

Posted: October 18, 2014 at 11:36 AM / IP Logged

OK, let's go to basics:-

Is your alarm controlled by buttons on the factory key or is there a separate remote control fob?

If separate is there an FCC number on the back or a name.

PS Have you confirmed that there's a factory alarm on board?

With apologies to Kreg.

gary34

Member - Posts: 6

Joined: October 14, 2014

Location: North Carolina, United States

Posted: October 18, 2014 at 7:44 PM / IP Logged

It is a factory alarm

gary34

Member - Posts: 6

Joined: October 14, 2014

Location: North Carolina, United States

Posted: October 18, 2014 at 7:51 PM / IP Logged

the fob and key is all in one

gary34

Member - Posts: 6

Joined: October 14, 2014

Location: North Carolina, United States

Posted: October 18, 2014 at 8:00 PM / IP Logged

I do have the fcc id that was mentioned if that helps

howie ll

Pot Metal - Posts: 16,466

Joined: January 09, 2007

Location: United Kingdom

Posted: October 19, 2014 at 1:35 AM / IP Logged

Then you first contact a Chrysler dealer and see what they say.

One doesn't mess with factory alarms without a circuit diagram.

If there's a factory LED you might be able to parallel wire others into the circuit but you'd need to know the supply voltages, usually around 2.5VDC.

Frankly not a job I'd bother with on a modern car.

kreg357

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Joined: January 30, 2009

Location: Pennsylvania, United States

Posted: October 19, 2014 at 5:38 AM / IP Logged

You could buy and install one of those two wire pseudo alarm blinking LED's or strobe strips off EBay for $5.

Easy install and it would start blinking whenever the key was in the OFF position, regardless of the Factory Alarm being set or not.

Soldering is fun!

gary34

Member - Posts: 6

Joined: October 14, 2014

Location: North Carolina, United States

Posted: October 19, 2014 at 6:25 AM / IP Logged

Ok thank you

howie ll

Pot Metal - Posts: 16,466

Joined: January 09, 2007

Location: United Kingdom

Posted: October 19, 2014 at 6:26 AM / IP Logged

Wire the red to a constant 12V+ the black to ignition.

gary34

Member - Posts: 6

Joined: October 14, 2014

Location: North Carolina, United States

Posted: October 19, 2014 at 6:29 AM / IP Logged

Couldnt i do that with the led strip that i already have ? If so how? I do know the ground attaches to the car but not sure where to put the posititive

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