Jmc_Ladd Posted March 24, 2015 Share Posted March 24, 2015 Hi all, Have a problem with heavy battery drain on my A4. Model - 2006 1.9tdi Se. Car has had two new batterys in two weeks. Alternator has been checked and is charging at 14v. Anyone any ideas what would be a heavy drain on the car Thanks in advance Quote Link to comment Share on other sites More sharing options...
Martin Willmott Posted January 13, 2016 Share Posted January 13, 2016 You need to pull fuses one at a time and see what circuit the drain is on, just disconnect a battery terminal, connect an ammeter between the battery terminal and the disconnected cable, you'll be able to see the drain, when you pull the correct fuse the ammeter will drop close to zero, then the fuse box diagram will tell you what that fuse supplies. Quote Link to comment Share on other sites More sharing options...
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