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Headlights failing S60

posted by  SBranscom on  Tue Dec 22 06:58 CST 2009
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last visit: Fri Oct 24 13:18 CST 2014
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Any idea why both headlights would fail after being replaced 2 days prior? Anybody had a problem like this?








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    Headlights failing - who installed and how was it done? S60

    posted by  V7driver on  Wed Dec 23 14:07 CST 2009
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    last visit: Fri Aug 10 20:01 CST 2012
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    Did you (he/she) touch the bulbs with bare hands?








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      Headlights failing - who installed and how was it done? S60

      posted by  SBranscom on  Thu Dec 24 10:07 CST 2009
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      last visit: Fri Oct 24 13:18 CST 2014
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      The originals were done at a Volvo dlr so I have to assume they were wearing gloves. Yes, I thought of that also. Thanks








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        Headlights failing - I suggest you ask them to replace gratis S60

        posted by  V7driver on  Sun Dec 27 12:48 CST 2009
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        last visit: Fri Aug 10 20:01 CST 2012
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        If a dealer replaced the bulbs, I'm sure they will replace them for free considering the first group only lasted 2 days. Also ask them to check voltage.

        When the 1998-2000 V70 and S70 cars were new, people complained about headlight bulbs failing. So Volvo invented a circuit that lowered the voltage a bit. It was a wiring connector placed between bulb and harness. A byproduct was lower light output. I use Philips VisionPlus bulbs, which last for years, so I took the goofy voltage-lowering circuit out of my V70.








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    How about a bad voltage regulator? .... S60

    posted by  Ken C on  Tue Dec 22 11:14 CST 2009
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    last visit: Fri Oct 24 11:39 CST 2014
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    If your voltage regulator has failed, the high current in your system could cook your filaments (as well as your electronics). Have you used a VOM to measure system voltage when the engine is reved to normal driving rpm (idle rpm may not reveal a problem) -- I know the battery is in the trunk (at least in later models), but you can check the 12 v. socket in the passenger compartment while you step on the gas pedal.







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    Headlights failing S60

    posted by  jadnhm on  Tue Dec 22 10:28 CST 2009
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    last visit: Tue May 22 18:03 CST 2012
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    my first guess would be that whoever installed the bulbs touched the glass with their fingers. That will wreck a halogen bulb pretty quickly :)

    Also, if you find your car is sensitive to this kind of thing you should try installing bulbs in pairs.

    --
    1998 V70 AWD Turbo 195k+







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