[s-cars] HID woes

[Kirby Smith]

You may be getting a transient pulse back into the car's wiring.  You
could get around it with a relay, perhaps, but the proper approach is to
use a filter at the lamp ignition module.  An inductor in series and a
capacitor across the feed to the module (on the module side of the
inductor) might work.  Without some serious measurements, though, I
can't really advise what parts to use.  I'm a little surprised the
manufacturer didn't include such in his circuit.

kirby

Aaron wrote:
>
> --
> [ Picked text/plain from multipart/alternative ]
> Guess it beats loosing boost and having the speedo drop just as
> dramatically!
> I am worried about damage being done - I cant get the speedo needle to
> move that fast no matter how hard I gas it.
> AT
>
> Lee Levitt wrote:
>
> >Aaron writes:
> >
> >>The kit was wired without relays.  When I switch the lights on, the
> >>idiot light comes on with warning bell for a few seconds then goes out -
> >>no biggie.  But I also noticed the speedo needle will momentarily drop
> >>way down and the radio / CD player will go off and stay off.  If I
> >>switch the radio back on all is fine.  Lighting fuse is stock and has
> >>not blown.
> >>
> >
> >I've noticed the same thing (speedo only) with my HID kit, and I'm also not
> >using relays.
> >
> >Don't know why it happens, seems not to be overly malevolent...but what do I
> >know, I'm a marketing guy :)
> >
> >An undocumented feature...that's it, it's a feature! :)
> >
> >Lee
> >'95.5 S6 avant
> >'96 A6 quattro avant
> >
> >
>
> --
>
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