[W126 Coupe] Lights fixed for the moment
millerlh at earthlink.net
millerlh at earthlink.net
Fri Mar 4 14:48:29 EST 2011
Same set up for the fog lamps for my 1990 560SEC as on Jay's. My car was
purchased new in NV in 1990.
Lou M
> [Original Message]
> From: Jay Hirsch <J.Hirsch at mac.com>
> To: Mercedes Coupes Mailing Lists <mbcoupes at mbcoupes.com>
> Date: 3/4/2011 2:18:57 PM
> Subject: Re: [W126 Coupe] Lights fixed for the moment
>
> On my 1987 300 SDL and 1990 SEC the fog or driving lights can be
> put on when the parking lights are on and both cars are US cars
> keep cruisin
> Jay H
> On Mar 4, 2011, at 1:35 PM, Mister McGoo wrote:
>
> > Calvin; (my final comment)
> >
> > OK, the bad ground is in the "passenger" (right) foglamp. Follow
> > that ground back, if possible, and rewire that. That is your problem.
> >
> > The European light is different only as applied to the fog lights.
> > The N.American switch will NOT allow the foglamps to turn on
> > without the headlamps on. With the parking lights on, even though
> > you CAN pull the foglight knob out, that does nothing.
> >
> > The Euro switch WILL allow the foglamps on with the parking lights
> > only on.
> >
> > Note: the "parking lights" on the N. American version is the
> > second filament on the corner lamp double filament bulbs (ie turn
> > signals). The "parking lights" on the Euro are separate single
> > filament bulbs in the bottom of the headlight reflector.... and
> > LOOK as though the headlights are on but very dimly. The front
> > corner lamps (turn signals) are single filament bulbs and are ONLY
> > turn signals.
> >
> > On both the N. American model and Euro model, you CAN turn one side
> > or the other side parking light "on" separately by turning the
> > switch counter-clockwise rather than clockwise.
> >
> > Anyone who has looked at the rear taillight assembly has noticed
> > that there is an empty socket hole in the assembly. That is for
> > the rear "fog lights" which is illegal in N. America.
> >
> > The euro headlights, of course, are also height adjustable from the
> > cabin through the vacuum adjustment wheel beside the headlight
> > switch. On the issue of using "over-voltage" bulbs, I have used
> > 80/100 H4 bulbs on Euro headlights for years. The wiring harnesses
> > appear to be designed for the increased amps. Notez biens: DON'T
> > DO THIS on your Peugeot. The switches melt.
> >
> > -Bellamy
> >
> > > From: calvinyoung at cox.net
> > > To: mbcoupes at mbcoupes.com
> > > Date: Fri, 4 Mar 2011 12:29:24 -0500
> > > Subject: [W126 Coupe] Lights fixed for the moment
> > >
> > > I apologize to everyone sending so many emails on the same
> > subject with the
> > > same info. I think with the help of the list, the problem has been
> > > isolated. I disconnected the fog lamps and the voltages and
> > brightness were
> > > returned to normal on both headlights. I am off to have the car
> > reinspected
> > > to get that reject sticker off the window.
> > >
> > > Whoever had the car before did some "custom" wiring and left a
> > problem.
> > > With your info Dick, I can either replace the switch with a later
> > model or
> > > do some rewiring to fix the fog lights correctly.
> > >
> > > Thanks everyone,
> > >
> > > Cal
> > > >
> > > > Cal,
> > > >
> > > > This may help as a further clarification re: US (NA) vs. Euro
> > switch and
> > > > model year differences. The early light switch is different
> > than the
> > > > later models in that the harness is soldered directly to the
> > switch
> > > > terminals in early model years. The later model years employed a
> > > > plug/pin harness making switch replacement easy.
> > > >
> > > > The only added feature to either switch type was on the euro.
> > This had
> > > > a single +12VDC wire lead that was activated on the second pull
> > of the
> > > > fog lamp function. The first pull illuminated the front fogs on
> > both
> > > > euro and NA models. The second pull worked only on euro models
> > and lit
> > > > the rear single fog lamp and lit up the center (orange)
> > indicator lamp
> > > > on the switch handle.
> > > >
> > > > As for the ongoing dim light issue, why not disconnect the
> > ground lead
> > > > temporarily at the lamp socket and hot wire a new ground to
> > chassis to
> > > > see if this in fact gives the lamp full bright function?
> > > >
> > > > -\DIck
> > > >
> > > >>
> > > >
> > ######################################################################
> > > > Men stumble over the truth from time to time, but most pick
> > themselves
> > > > up and hurry off as if nothing happened. --Sir Winston Churchill
> > > >
> > ######################################################################
> > > >
> > > ThanksLou,
> > >
> > > I think that is exactly what happened here. He wanted a brighter
> > lights for
> > > his driving situation.
> > >
> > > > Message: 3
> > > > Date: Fri, 4 Mar 2011 12:02:13 -0500
> > > > From: "millerlh at earthlink.net" <millerlh at earthlink.net>
> > > > Subject: Re: [W126 Coupe] dim passenger light
> > > > To: "dan at landiss.com, Mercedes Coupes Mailing Lists"
> > > > <mbcoupes at mbcoupes.com>
> > > > Message-ID: <380-2201135417213233 at earthlink.net>
> > > > Content-Type: text/plain; charset="us-ascii"
> > > >
> > > > I am no expert at all in these matters, but the previous owner
> > of my 1990
> > > > 560SEC had installed a new wiring configuration to support more
> > powerful
> > > > headlights before I got the car. I found this out when I went
> > to replace a
> > > > bulb and discovered the more powerful bulb he had installed.
> > > >
> > > > I would not have known the wiring had been changed, but was
> > kind enough to
> > > > respond to my inquiry as to why the bulb I found was more
> > powerful than
> > > > the Factory spec.. He told me he upgraded the wiring to avoid over
> > > > powering the factory wiring (for want of a better description).
> > Said he
> > > > had wanted to avoid "outrunning the headlights"
> > > >
> > > > Is it possible that this may be one factor contributing to your
> > problem?
> > > >
> > > > Lou Miller
> > > >
> > > > PS Don't ask me what he did or how he did it. He works on
> > satellites and
> > > > deals with that sort of stuff all the time. I just turn the key
> > and enjoy.
> > > >
> > > >
> > > > That is also a sign of shaky grounds. the voltage at an "off"
> > lamp should
> > > > be zero, not over a half volt.
> > > >
> > >
> > >
> > > The MB Coupes Website!
> > > W126 SEC Mailing List
> > > Postings remain property of MB Coupes, L.L.C.
> > The MB Coupes Website!
> > W126 SEC Mailing List
> > Postings remain property of MB Coupes, L.L.C.
>
> The MB Coupes Website!
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> Postings remain property of MB Coupes, L.L.C.
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