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-   -   Alarm sounds when i disconnect the battery (https://volvoforums.com/forum/volvo-850-16/alarm-sounds-when-i-disconnect-battery-23824/)

The Edge 10-18-2008 03:34 AM

Alarm sounds when i disconnect the battery
 
I didn't even know it had one!

How do i stop it from doing this?

Ta

ShaginWagon 10-18-2008 05:00 AM

RE: Alarm sounds when i disconnect the battery
 
Sounds like a separate siren with battery back up.
If you can find the siren, it will have a key switch of some sort on it.
If you don't have the key (most likely), then go to a car audio/alarm installer, they should have spare keys.

Other option is to wrap it in a towel, cut the wires (one at a time) and drop it in a bucket of water.

BEFORE doing the bucket method, make sure it really is only a siren.
If it contains any other part of the alarm system, you might not be able to start the car without it......

Third option is a 'bypass'.
If all you want to do is remove/replace the battery, you can 'feed' the car 12 volt power INTO the cigarete lighter socket.
This will maintain 12v in the car while the battery is out.

The Edge 10-18-2008 01:16 PM

RE: Alarm sounds when i disconnect the battery
 
Well it must be factory fitted and have the immobilser tied in because i had to leave the ignition on for 10 seconds before i could start the car. All the dash lights were on.

Ozark Lee 10-18-2008 08:29 PM

RE: Alarm sounds when i disconnect the battery
 
Just lock and unlock the doors and everything should reset. Either with the remote or the key (The key switches are a little flaky since we never use them :)).

It is perfectly normal for the alarm to trigger when the battery is replaced.

...Lee

The Edge 10-19-2008 01:36 AM

RE: Alarm sounds when i disconnect the battery
 
Ok ta ;)

Just took me by suprise as i didn't know it had one!


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