Question about 2010 Volkswagen Passat
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Posted on Jan 02, 2017
Check your battery cables for tightness, especially your ground cable. Now you have a new battery, so you have eliminated that as the source of the problem. Turn on your headlights, do they go out or very dim when attempting to start the car? If so, you have a poor electrical connection somewhere - loose cable, bad cable, possibly bad ignition switch.
Posted on Dec 26, 2008
In my case, the instrument cluster was bad, causing the MFI display and radio to go haywire and putting a contstant drain on the battery. $760 to have the VW shop replace it. No problems related to the battery or alternator have occurred since.
Posted on Apr 23, 2009
Some German cars have anti-theft device inside to make it useless to steal...check at the dealership to see if jumping the battery will activate this(the car thinks its being stolen) .
Posted on Apr 29, 2009
sounds like a defective alternator, also the battery light should come on when key is first turned on but goes off when car is started,also make sure you have a good ground to alternator body some of these alternators wont charge without the ground. make a ground wire with to connector eye lids, connect one end to alternator and the other to the frame, try thatfirst .
Posted on Jan 25, 2010
Testimonial: "thanks for the reply, i was checking all the grounds and try to clean it because i got some oil inn the engine compartment."
I got the same car with the same problem it was the belts, drive belt and alternator belt, due to the weather the tention get loos.
Posted on Feb 10, 2010
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