security systems

Submitted: Sunday, Jun 12, 2011 at 23:40
ThreadID: 86933 Views:1839 Replies:11 FollowUps:2
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My starting battery has gone flat twice now. I have taken it to an auto electrician to check things out, and he cant see what can be drawing power when it is parked up for a week or so.
I have heard that some security systems can drain your battery if you dont lock up the vehicle with the remote. Can this be true?
Here is the latest symptoms I have. My wife went to start the car, and a grinding sound was made. (starter motor?) but then my son jumped the aux battery to the main, (Red arc system) and it started no problem. when they got to their destination, my son disconnected the aux battery and it started off the main battery. prior to this episode, the car had been sitting for a week with the security system un-locked.
any feed back is appreciated.
PS my son put the mulimeter on both batteries and the main was 12.06 and the aux was 12.88.

John
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