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jim4244

Member Since: 13 Apr 2014
Location: Bedfordshire
Posts: 775

2007 Defender 90 Puma 2.4 CSW Zermatt Silver

Disconnect battery

Hi all

I want to paint the battery compartment underneath the passenger seat in my 2007 Puma. If I remove the battery is this going to cause problems with the key and immobiliser when I reconnect it?

I keep reading stories of folk whose batteries go dead and who then have problems when they install a new battery?

Jim

9th Nov 2024 10:36am

DSC-off

Member Since: 16 Oct 2014
Location: North East
Posts: 1400

2015 Defender 110 Puma 2.2 XS CSW Aintree Green

I've not had any problems with the immobiliser, but disconnecting the main battery may trigger the battery backup alarm sounder. It won't stop until it either the backup looses it's power or the main battery is reconnected and alarm reset.
Detail of how to stop that here:
Disconnect the battery within 17 seconds of turning ignition off and remove the key

9th Nov 2024 11:27am

jim4244

Member Since: 13 Apr 2014
Location: Bedfordshire
Posts: 775

9th Nov 2024 12:30pm

90 Dreamer

Member Since: 13 Jul 2019
Location: Oop North
Posts: 2147

2016 Defender 90 Puma 2.2 HT Corris Grey

in general as long as the ignition has been active then there will be no issues or alarm activation when you then disconnect the battery..........

open truck, key in ignition and illuminate warning lights, key off and then disconnect

9th Nov 2024 12:38pm

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