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Question by  russh (3)

My 2003 Jetta's charging system has a problem. What else could it be, and where would it be located?

The alternator checks ok. The battery checks ok.

 
+6

Answer by  McCheese (1248)

This same situtation happened to me a few years back. It turns out that the trunk light was staying on even when the trunk was closed. Whenever the car sat for a couple of days, the battery would slowly wear down. Check your sensors!

 
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