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ant_tay
17-03-09, 10:30 AM
Hi my mate has a mk4 astra that has a standard factory fit alarm he can lock the doors but the alarm will go off randomly could be a few seconds or a few hours does anyone have an idea on what the problem may be

Thanks Anthony
AlexW
17-03-09, 10:33 AM
Does it have a deadlock option? (Push the lock button twice) As its a similar prob to what i have on my work van.
Shaun_O'Donnell
17-03-09, 10:34 AM
It's the power sounder unit located behind the N/S front wheel arch lining.

It's a device that holds a charge so that it can still sound the alarm should someone break in and disconnect the battery.

Just like a rechargeable battery it looses it's ability to keep charge after time.

Just needs a new one from Vauxhall.
ant_tay
17-03-09, 10:36 AM
he dosent think it has
Shaun_O'Donnell
17-03-09, 10:37 AM
he dosent think it has

he doesn't think it has what?
GRUNT 16V
17-03-09, 10:39 AM
Tell Him Hes Wrong And Tell Him To Fit A New Power Sounder I Sold Hundreds When I Was A Parts Adviser For Vauxhall ! They Were Always Going Wrong And Then Chuck The Old One In A Bucket Of Water To Funk It Up Or It Will Keep Sounding Off!!!
ant_tay
17-03-09, 10:41 AM
he doesn't think it has what?

dead locks
GRUNT 16V
17-03-09, 10:41 AM
dead locks
it will have
ant_tay
17-03-09, 10:41 AM
Tell Him Hes Wrong And Tell Him To Fit A New Power Sounder I Sold Hundreds When I Was A Parts Adviser For Vauxhall ! They Were Always Going Wrong And Then Chuck The Old One In A Bucket Of Water To Funk It Up Or It Will Keep Sounding Off!!!

tell who they are wrong
Shaun_O'Donnell
17-03-09, 10:42 AM
dead locks

They all do, push the button twice. Lock, lock.
AlexW
17-03-09, 10:43 AM
Aye does that not solve it? but i would go with what shaun just said
ant_tay
17-03-09, 10:45 AM
any ideas on a price for either part
Shaun_O'Donnell
17-03-09, 10:47 AM
iirc the power sounder was about £60 when I had to replace it on the Coupe.

There's one on ebay at the moment:

Clicky (http://cgi.ebay.co.uk/ASTRA-G-MK4-ALARM-POWER-SOUNDER_W0QQitemZ220371389273QQcmdZViewItemQQptZUK _CarsParts_Vehicles_CarParts_SM?hash=item220371389 273&_trksid=p3286.c0.m14&_trkparms=72%3A1683%7C66%3A2%7C65%3A12%7C39%3A2%7C 240%3A1318)

Obviously 2nd hand.
Shaun_O'Donnell
17-03-09, 10:59 AM
There appears to be an alternative:

http://www.cavweb-forums.co.uk/showthread.php?t=78322
ant_tay
17-03-09, 11:10 AM
thanks guy for the help you have all been +rep'd accordinly
Shaun_O'Donnell
17-03-09, 11:11 AM
muchos gracias amigo