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Alarm Battery backup/extra siren

  #2  
Old 08-12-2009, 01:44 PM
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I installed the battery with my alarm years ago in my previous car, I can't remember the exact process but wasn't too bad. May be more difficult now since it's already installed. I've always like the idea of having sierns or a nice air horn in the cabin. But under the seat isn't going to do much. That thing is like a tweeter and is directional. If it's small enough, mounting them in the air vents would be perfect. And I would use at least two. Still may not be very effective, I always wanted to put a air horn on the rear deck facing forward. A big marine one that uses a pump and not a compressor and a tank. They still get plenty loud in a confined space, more so that those sirens.
 
  #4  
Old 08-12-2009, 03:02 PM
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Pretty sure I got mine off ebay.
 
  #7  
Old 08-14-2009, 08:17 PM
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One of those sirens may be loud enough to bother the **** out of you, but not enough to stop someone from getting what they want. It is going to have to be more than just painfully loud to stop them. It only takes about a minute to get your radio out. I would think your going to need two or four to get the results you want.

And be sure to hide the battery somewhere in the dash, and not in the engine bay.
 

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