my car no start on 1999 Jaguar XJ8

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hello my no start, i thimk have alarm problem,because battery go dow
(1) Answer
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you may have a problem in the security module or any one
of a number of other modules that is not going into "sleep mode" when the engine is shut off. also called a parasitic draw. you will need a reputable Jaguar shop to diagnose this problem. make sure they have Jag software and lots of Jags in the parking lot.