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Passat Battery Drain


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#1 Lorenzo

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Posted 04 April 2012 - 07:36 PM

Hi All, i have a 2003 VW Passat 1.9tdi, the Car fails to start after being run for a few days, i have had the battery tested and the result came back fine ie: Charging 71%. I have noticed when i turn on the ignition, the Headlight Switch illuminates, should this happen, it goes off again when i remove the key, any ideas would be most appreciated, thanks, Mick.

#2 solarthread

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Posted 12 April 2012 - 05:39 PM

likely to be the alternator not charging the battery properly. headlight switch is normal.

#3 1.4 TDI

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Posted 17 April 2012 - 09:40 AM

Headlight switch work same on my VW TDI, but probably is alternator or battery, I have couple time experience when the battery is on the way to broke they wont hold power more the 1-2 day.




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