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Author Topic: random alarm going off  (Read 1748 times)

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flexbuttcheck1

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random alarm going off
« on: 09 July 2012, 20:08:53 »
woke up this morning at 1.00am to the sound of my car alarm going off, im sure ill be a hit with the neighbours but does anybody know what the problem might be? thanks in advance chaps.
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ndmv6

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Re: random alarm going off
« Reply #1 on: 09 July 2012, 20:17:09 »
could be a faulty powersounder,located under drivers side front scuttle in the engine bay.batteries in it are only designed to last 10 years.i removed mine...problem solved
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martin42

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Re: random alarm going off
« Reply #2 on: 09 July 2012, 20:19:14 »
remove it or lose the car  :y
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TheBoy

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Re: random alarm going off
« Reply #3 on: 09 July 2012, 21:02:59 »
Could be a number of things. If you are near Marks DTM, he has a Tech2 that can read the alarm system and tell you what is causing it.

Although the common causes are:
Bonnet switch
Rear pane break sensor (estates)
Powersounder failing
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flexbuttcheck1

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Re: random alarm going off
« Reply #4 on: 09 July 2012, 21:13:24 »
ive just removed the powersounder, and when i put the battery back on the alarm started going off again have i done something wrong at the moment im trying to get a few jobs done before i can use the car properly to take it to someone for diagnostics
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TheBoy

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Re: random alarm going off
« Reply #5 on: 09 July 2012, 21:14:37 »
Unplug bonnet sensor

Is it an estate?
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flexbuttcheck1

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Re: random alarm going off
« Reply #6 on: 09 July 2012, 21:40:13 »
no its a saloon.
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Andy H

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Re: random alarm going off
« Reply #7 on: 11 July 2012, 13:24:56 »
Quote from: flexbuttcheck1 on 09 July 2012, 21:13:24
ive just removed the powersounder, and when i put the battery back on the alarm started going off again have i done something wrong at the moment im trying to get a few jobs done before i can use the car properly to take it to someone for diagnostics
I'm guessing that you didn't follow the procedure for battery removal:
1. loosen nuts on battery terminals
2. switch on ignition
3. wait till warning lights go out (except oil & battery)
4. switch off again & walk briskly to the front of the car & remove negative lead from battery (you have about 20 seconds to disconnect the battery lead otherwise the alarm will sound next time you reconnect it)
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