Re: S60: new headlight bulb doesn't do it
> On Tue, 25 Oct 2005 08:12:45 -0400, Mike F 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?
>>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.
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