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This is for my parents Honda car. I want to replace their steering wheel, but need to disconnect the battery so I don't trigger the airbags. Problem is once I disconnect the battery, the alarm goes off. It's a mongoose, though not positive as to what model. I have that little key, which I used on the alarm speaker thingy and it seemed to shut it off ok. But upon closer inspection it's still actually chirping away, be it at like 2% noise instead of it's regular 100%.

The siren speaker looks like this

MSP80.jpg

If I was to take this thing apart, is the battery backup battery inside this thing?

The alarm works ok. If I have to I'll let it chirp for 10mins or so while I take the steering wheel off, then unplug the airbag connectors. Connecting the main battery terminals stops the chirping and everything again works as it should. So it's only during the period I have the battery disconnected so I don't trigger the airbags, that I want to shut the alarm off. Using the key on the siren shuts it off, but only 98%. Put your ear close to it, you can still hear it. If that's all I have to deal with for 10mins or less I'll live with it. I don't think getting a new alarm is going make any difference and seems excessive for simply wanting to replace the steering wheel.

Chris is right.. new siren.

As far as I know it's a sealed siren.

In frustration I cut the wires, pulled it out and couldn't crack it open.

I smashed mine open because it just would not stop. Suppose I could have drowned it !

There is like 8-10 disc batteries rolled in clear plastic.

Sounds like it got wet , the keyholes leak , even 1 drop and it shorts the key curcuit

Drowning it wont stop it , i tested my old one in a bucket of water , it sounds wonky but still going off and got louder as it dried again ( it was farked but still going )

New siren time , 99 bucks

Drowning it wont stop it , i tested my old one in a bucket of water , it sounds wonky but still going off and got louder as it dried again ( it was farked but still going )

Old siren still has 3 uses...

1) insert into coffin for burial > frightens graveyard vandals away

2) additional location device for searchers of black boxes from ditched aircraft

3) place under mother-in-law's bed to remind her that she's forgotten to take her hearing aids out before retiring

;)

I had the same alarm. turning the key on the actual siren only makes it a bit quiet like you said. but i dont see why you cant leave the siren chirping at a very very low volume which you can barely hear, for a while. i left mine like that for about two days and then put it back on.

I got it all sorted. Turned the key, unplugged the battery and it did it's near silent chirping business. I got on with unplugging things, replaced the steering wheel and then reconnected everything. Once I connected the battery back again, the chirping stopped. Then turned the key to put it into normal mode and it's all working good again. This took 5-10mins.

I can live with the minor fault of it not been entirely silent when the key's turned and the battery is unplugged. That's not an everyday situation either so not like I'm going to have to deal with this on a daily occurrence.. As it stands right now, the alarm arms, chirps, and goes off just fine.

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