[DML] Re: headlights

[Bob Brandys <oehcs@xxxx>]

DMC Joe is right. We had to install isolation diodes to deal with the H/L
issue.
Dr. Bob

DMC Joe wrote:

> Brian,
>
> Here is the answer to your problem. The outboard lamps are wired for two
> separate lamp filaments, one is for low beam the other for high. The inboard
> lamps are single filament high beam only. The replacement bulbs you
> installed are single filament therefore when you installed them in the
> outboard position both high and low beam circuits are shorted together.
>
> DMC Joe / De Lorean Services / <dmcjoe@xxxx>
> Web Site: <http://www.deloreanservices.com>
> ----- Original Message -----
> From: Lynn Metz <metzlynn@xxxx>
> To: <dmcnews@xxxxxxxxxxx>
> Sent: Saturday, January 08, 2000 11:01 AM
> Subject: [DML] headlights
>
> > Ok guys, I need some help. I don't know what I did but it is not right.
> I
> > decided to replace my headlights with more powerful ones, so I bought
> higher
> > wattage bulbs for the outboard (high/low) lights. I did not touch the
> > inboard (high) lights. When I changed the bulbs, something strange
> > happened. Now, when I turn on the low beams the highs come on with them
> > (very did though). Also, both lights in the instrument cluster are lit
> > (high and low indicators). I thought I shorted something out, but when I
> > put the original bulbs back in, they are fine. I assume that the problem
> is
> > related to the higher wattage / amperage bulbs. I know nothing about how
> > the headlights are wired and the wiring diagram in my manual is worthless
> > (not very well printed). I have replaced the 20 amp fuses with 25 amp
> fuses,
> > but this did nothing. What is causing this? I thought that the two
> systems
> > (high and low) were seperate, but they must be inter-locked somehow.
> Would
> > higher rated or different relays solve this? I really don't know how to
> fix
> > it and I would like to use these higher wattage bulbs. Any help is
> > appreciated. \
> > Thanks,
> > Brian Vin #16584
>
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