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post #1 of 7 (permalink) Old 10-21-05, 05:01 PM
Paul_B
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S60: new headlight bulb doesn't do it

I've been riding around with a "dipped headlight bulb out" error
for a while, so today I tried putting in a new bulb. It took me a
few minutes and a flashlight to figure out how to physically make
the switch, but the unit still doesn't work. Is there some other
possibility I should look for - like a fuse dedicated to one
headlight bank only, or something - or do I need to recheck my
connections even more carefully?


Thanks,
p.

'01 s60


 
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post #2 of 7 (permalink) Old 10-22-05, 02:01 PM
Marvin
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Re: S60: new headlight bulb doesn't do it

Paul_B wrote:
> I've been riding around with a "dipped headlight bulb out" error
> for a while, so today I tried putting in a new bulb. It took me a
> few minutes and a flashlight to figure out how to physically make
> the switch, but the unit still doesn't work. Is there some other
> possibility I should look for - like a fuse dedicated to one
> headlight bank only, or something - or do I need to recheck my
> connections even more carefully?
>
>
> Thanks,
> p.
>
> '01 s60


First see if the lamp is truly not lit. The error message may itself be in error.
 
post #3 of 7 (permalink) Old 10-22-05, 05:01 PM
Glenn Klein
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Re: S60: new headlight bulb doesn't do it

Paul_B wrote:
> I've been riding around with a "dipped headlight bulb out" error
> for a while, so today I tried putting in a new bulb. It took me a
> few minutes and a flashlight to figure out how to physically make
> the switch, but the unit still doesn't work. Is there some other
> possibility I should look for - like a fuse dedicated to one
> headlight bank only, or something - or do I need to recheck my
> connections even more carefully?
>
>
> Thanks,
> p.
>
> '01 s60

The dipped beam is the low beam make sure that you did not replace the
high beam by accident

--
"*-344-*Never Forgotten"
Is for the New York City Firemen who lost their lives on September 11,2001.
The official count is 343, but there was also a volunteer who lost his life
aiding in the initial rescue efforts. And I will never forget them as
long as I live,
nor should any American.
 
post #4 of 7 (permalink) Old 10-25-05, 07:01 AM
Mike F
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Re: S60: new headlight bulb doesn't do it

Paul_B wrote:
>
> I've been riding around with a "dipped headlight bulb out" error
> for a while, so today I tried putting in a new bulb. It took me a
> few minutes and a flashlight to figure out how to physically make
> the switch, but the unit still doesn't work. Is there some other
> possibility I should look for - like a fuse dedicated to one
> headlight bank only, or something - or do I need to recheck my
> connections even more carefully?
>
> Thanks,
> p.
>
> '01 s60


In the bulb failure relay there are little shunts - a low resistance
that the relay uses to measure the current going into the bulb. This is
the info that the relay uses to turn the bulb failure light on. These
burning out are a fairly common problem. There are different ones,
depending on the headlights.

--
Mike F.
Thornhill (near Toronto), Ont.

Replace tt with t (twice!) and remove parentheses to email me directly.
(But I check the newsgroup more often than this email address.)
 
post #5 of 7 (permalink) Old 10-25-05, 06:01 PM
Paul_B
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Posts: n/a
Re: S60: new headlight bulb doesn't do it

On Tue, 25 Oct 2005 08:12:45 -0400, Mike F wrote:

> Paul_B wrote:
>>
>> I've been riding around with a "dipped headlight bulb out" error
>> for a while, so today I tried putting in a new bulb. It took me a
>> few minutes and a flashlight to figure out how to physically make
>> the switch, but the unit still doesn't work. Is there some other
>> possibility I should look for - like a fuse dedicated to one
>> headlight bank only, or something - or do I need to recheck my
>> connections even more carefully?
>>
>> Thanks,
>> p.
>>
>> '01 s60

>
> In the bulb failure relay there are little shunts - a low resistance
> that the relay uses to measure the current going into the bulb. This is
> the info that the relay uses to turn the bulb failure light on. These
> burning out are a fairly common problem. There are different ones,
> depending on the headlights.



Would this shunt going kill the headlight too? I think tommorrow
I'll see if my mechanic will take a look at it. It is the
headlight that's not lit, not just an errant warning message.

Thanks to all who responded - I've been offline for 4 days due to
serious ISP error.


p.
 
post #6 of 7 (permalink) Old 10-25-05, 07:01 PM
James Sweet
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Re: S60: new headlight bulb doesn't do it

Paul_B wrote:
> On Tue, 25 Oct 2005 08:12:45 -0400, Mike F wrote:
>
>
>>Paul_B wrote:
>>
>>>I've been riding around with a "dipped headlight bulb out" error
>>>for a while, so today I tried putting in a new bulb. It took me a
>>>few minutes and a flashlight to figure out how to physically make
>>>the switch, but the unit still doesn't work. Is there some other
>>>possibility I should look for - like a fuse dedicated to one
>>>headlight bank only, or something - or do I need to recheck my
>>>connections even more carefully?
>>>
>>>Thanks,
>>>p.
>>>
>>>'01 s60

>>
>>In the bulb failure relay there are little shunts - a low resistance
>>that the relay uses to measure the current going into the bulb. This is
>>the info that the relay uses to turn the bulb failure light on. These
>>burning out are a fairly common problem. There are different ones,
>>depending on the headlights.

>
>
>
> Would this shunt going kill the headlight too? I think tommorrow
> I'll see if my mechanic will take a look at it. It is the
> headlight that's not lit, not just an errant warning message.
>
> Thanks to all who responded - I've been offline for 4 days due to
> serious ISP error.
>
>
> p.



Yes, while I've never dealt with the solid state sensor used in the S60,
a burned out shunt will indeed kill whatever light it feeds. Makes me
like the old electromechanical sensors a bit more, very clever design
they used.
 
post #7 of 7 (permalink) Old 10-30-05, 07:01 AM
Paul_B
Guest
 
Posts: n/a
Re: S60: new headlight bulb doesn't do it

On Fri, 21 Oct 2005 22:12:46 GMT, Paul_B wrote:

> I've been riding around with a "dipped headlight bulb out" error
> for a while, so today I tried putting in a new bulb. It took me a
> few minutes and a flashlight to figure out how to physically make
> the switch, but the unit still doesn't work. Is there some other
> possibility I should look for - like a fuse dedicated to one
> headlight bank only, or something - or do I need to recheck my
> connections even more carefully?



Turns out it was something related to the interior fuse panel. We
checked the hood compartment fuses - nothing. Then he went into
the interior panel. Not sure what he did - he speaks with a thick
Greek accent - but I soon had my light back. I supposed it was
the fuse, though he made it sound more complicated than that.

Thanks again to all.

p.
 
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