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How long will Alarm take to drain Battery?

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John Clayton:
My '94 Disco 300 TDI has a factory CATS Alarm and Immobiliser on it, complete with flashing red LED (and red LED on radio cassette).  It appears to trickle-drain the battery over time and I understand this is a common fault with Jags and Land Rovers of this age fitted with CATS. 

As a result I've fitted a DisCarNect device to the battery lead so the power can be cut off when the vehicle's not used for more than a few days

Has anybody else experienced this problem or know how to fix it?
How long will the battery last before it's no longer able to start the vehicle?

mike142sl:
Don't know exactly, but a couple of years ago I ended up with a flat battery over the winter months after a week so I fitted a small solar trickle charger from Maplins which seems to have solved it.

LiftedDisco:
Try looky here....

http://www.mud-club.com/forum/index.php/topic,57229.msg507487.html#msg507487

Hope this helps...

sMUDge:
If this works, (which the recommendations say it does) could be worth investing 20 quid  :-k

http://www.amazon.co.uk/Solar-Battery-Charger-ideal-Caravans/dp/B000R0UBT8/ref=pd_ybh_6?pf_rd_p=138755991&pf_rd_s=center-2&pf_rd_t=1501&pf_rd_i=ybh&pf_rd_m=A3P5ROKL5A1OLE&pf_rd_r=0C40P026V31FJQXKDS4N

John Clayton:
Actually I think that CATS [Computer Anti Theft System] is actually referring to the 'code' needed for the Stereo [rather than the alarm]

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