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Odin



Member Since: 29 Apr 2011
Location: Aberdeenshire
Posts: 237
Scotland 2012 Defender 110 Puma 2.2 USW Santorini Black
Removed earth and ...
I am fitting a winch and when I removed the earth connection at the battery an alarm started sounding. Not as loud as the normal alarm but noisy nonetheless.

Is this the alarm working from the backup battery and should I have removed the live connection first to prevent this occurring? Not heard of this issue previously.

It's a 2012 Puma.

Cheers,
Post #177725 21st Oct 2012 6:05pm
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bob neville



Member Since: 30 Apr 2009
Location: Marbella
Posts: 3247
Spain 2001 Defender 90 Td5 SW Epsom Green
On the 110 (2009) without the backup alarm you just remove the negative as normal.

On the TD5 which has got a backup alarm there is a specific sequence that has to be followed to remove the earth.
Also, if you fail to follow the removal procedure there is a specific way to restore power and stop the alarm.

I guess the 2012 with a backup alarm will have a set sequence to be followed. Have you had a look in the owners handbook ?

Bob 2015 Jaguar XE240 R Sport - goes like ....... !!
2013 Defender 90 CSW - sold
2009 Defender 110 Double Cab - sold
2001 TD5 90 CSW - offroad project - sold to a forum member
2011 Porsche Boxster - for the sunny days !
Post #177734 21st Oct 2012 6:21pm
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Odin



Member Since: 29 Apr 2011
Location: Aberdeenshire
Posts: 237
Scotland 2012 Defender 110 Puma 2.2 USW Santorini Black
Absurd as this sounds, I've just read the very thin owner's handbook,

"Your vehicle may be fitted with a battery backed-up sounder that operates as an anti-theft siren. It will activate when the battery is disconnected unless disconnection is made within 15 seconds of removing the starter key from the starter".

Problem solved.

PS This information is open source so there's no security threat with this thread.
Post #177748 21st Oct 2012 6:49pm
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