Mud-club
Vehicle & Technical => Discovery => Topic started by: John Clayton on April 07, 2010, 14:29:55
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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?
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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.
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Try looky here....
http://www.mud-club.com/forum/index.php/topic,57229.msg507487.html#msg507487
Hope this helps...
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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 (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)
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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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It can be as little as a couple of days, especially this weather. My sister's ended up with a split charge system, the car running from a leisure battery that is designed to be flattened and the starter running form the original battery. It's easy to do without cutting any of the original wires on a TDi, you just need a 3 some battery wires, a short battery link and a 100 amp relay (like X-ENg sell).