[s-cars] Euro Lights question

[otw185]

Thanks Paul,

That was it.  Upon inspecting inside the wiring
harness for the driver's side, the ground had indeed
become disconnected.

Scott




--- Paul  Gailus <gailus at mindspring.com> wrote:

> I agree with Dave.
> According to the Bentley schematic on page X67, if
> the common
> ground to the left high and low beam bulbs is
> disconnected
> then I would expect it to behave exactly as you are
> describing.
> 
> A circuit loop will be created with the left low
> beam bulb
> connected in series first with the left high beam,
> and then with
> the right high beam through 10A fuses S1 and S2. The
> normal
> ground for the right high beam completes this loop.
> In the low beam switch position these bulbs will
> glow dimly
> because the battery voltage is split between all 3
> bulbs.
> The current "sneaks" through the left high beam bulb
> in
> the reverse direction from what is normal.
> 
> When the high beam switch is on, this pulls up the
> common
> high beam bulb connection to 12V, eliminating the
> reverse
> current flow though the left high beam and shutting
> off both
> left bulbs.
> 
> 
> ----- Original Message -----
> From: <djdawson2 at aol.com>
> To: <otw185 at yahoo.com>; <s-car-list at audifans.com>
> Sent: Friday, June 24, 2005 11:24 AM
> Subject: Re: [s-cars] Euro Lights question
> 
> 
> > Somewhere, you have a bad ground... that behavior
> is typical when
> something is poorly grounded.  You need to check all
> of the ground posts
> inside each headlight assembly... there's one for
> each bulb.  Somewhere
> you're loosing it, and getting feedback causing
> dimly lit bulbs and
> indicators.
> > Good luck.
> > Dave
> >
> > -----Original Message-----
> > From: otw185 <otw185 at yahoo.com>
> > To: s-car-list at audifans.com
> > Sent: Fri, 24 Jun 2005 08:57:00 -0700 (PDT)
> > Subject: [s-cars] Euro Lights question
> >
> >
> >
> > Looking to be illuminated on a lighting issue:
> >
> > On my '92, I've upgraded awhile back to new OEM
> Euro Hella units (H1
> Headlight,
> > H1 Hibeam and H3 fog), which are a plug 'n' play
> replacement to the DOTs.
> I'm
> > not running any particularly high watt bulbs,
> Osram, Philips -- everything
> is
> > good quality stuff I got from PG Performance
> (always excellent to deal
> with) and
> > I've eliminated that the bulbs are the problem. 
> In each of the last two c
> old
> > seasons, I've had a couple, rare, instances where
> the following occurs
> > simultaneously while they're on in the lowbeam
> position, independent of
> whether
> > I've got the front fogs on or not.  Now, I've got
> the problem
> continuously:
> >
> > 1) The lowbeam on the driver's side is very dim -
> just enough to see it's
> on but
> > not emitting any useful light.  The passenger's
> side is normal.
> >
> > 2) Even though the switch is in the lowbeam spot,
> both sides' hibeam bulbs
> are
> > on anyway, but also just barely emitting light.
> >
> > 3) Inside the car, the blue highbeam indicator is
> also very faintly on,
> but the
> > message center is not indicating a light is out.
> >
> > Now, when I switch to highbeam mode, the message
> center immediately chimes
> a
> > light is out, and the driver's side unit goes
> completely dark, but the
> > passenger's side has a healthy highbeam.
> >
> > I think it's a short since in the past I was able
> to give the driver's
> unit a
> > soft pound with the base of my hand and the
> problem was corrected.  I
> don't see
> > any obvious wiring issue inside the driver unit
> and made sure everything
> appears
> > to be connected correctly.  Anyone have a guess
> what's up before I take it
> > apart?
> >
> > Cheers,
> >
> > Scott in OH
> >
> >
> >
> >
> >
> >
> >
> >
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> 



		
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