H7 bulb still failing with reduced voltage
 

A H7 bulb failed in my modified 2002 XG350 after 2 months. A 10 amp diode
had been placed in the headlamp circuit that reduced the voltage at the bulb
to 12.8v. Apparently, this modification has not extended bulb life by any
appreciable amount. At this point, I'm starting to look into an HDI system
that uses bulbs with no filament. Anybody have one of these? I see you can
get them for around $75 on Ebay. Any recommendations?

Dan

Re: H7 bulb still failing with reduced voltage
 

I'd be concerned about the reliability and durability of the parts in any
HDI system you can purchase for as little as $75.

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Re: H7 bulb still failing with reduced voltage
 

hyundaitech wrote:
> I'd be concerned about the reliability and durability of the parts in any
> HDI system you can purchase for as little as $75.

Additionally, the reflectors in the headlights are not designed for HID
bulb and the result is a poor beam pattern that creates a lot of glare
for oncoming drivers. For more details, see the article at:
http://danielsternlighting.com/

Re: H7 bulb still failing with reduced voltage
 

"Dan K" <danielgkNOSPAM@visi.com> wrote in message
news:JRJTj.809$MC2.750@fe189.usenetserver.com...
>A H7 bulb failed in my modified 2002 XG350 after 2 months. A 10 amp diode
>had been placed in the headlamp circuit that reduced the voltage at the
>bulb to 12.8v. Apparently, this modification has not extended bulb life by
>any appreciable amount. At this point, I'm starting to look into an HDI
>system that uses bulbs with no filament. Anybody have one of these? I see
>you can get them for around $75 on Ebay. Any recommendations?
>
> Dan
>
>

Bummer Dan. Good follow up though. Thanks for that. This really does
raise questions about the H7. Anyone know what other cars use H7, and do
they suffer the same short life? This whole H7 thing has take on a certain
intrigue...

--

-Mike-
mmarlowREMOVE@alltel.net

Re: H7 bulb still failing with reduced voltage
 

I haven't been following thread as closely as I might have, but is it one
H/L socket involved very time or both sides? If one side, I'd suspect
the socket. examine for corrosion and proper contact and perhaps replace the
socket. > heck, maybe both side are buggered up. (I had a car which ate
running lamps-was a socket)
>

Re: H7 bulb still failing with reduced voltage
 

"Mike Marlow" <mmarlowREMOVE@alltel.net> wrote in message
>
> Bummer Dan. Good follow up though. Thanks for that. This really does
> raise questions about the H7. Anyone know what other cars use H7, and do
> they suffer the same short life? This whole H7 thing has take on a
> certain intrigue...
>

I found this
http://www.luminicsbulbs.com/h7_bulbs.php

H7 bulbs fit the BMW 3-series, Audi A4, Jaguar S-Type, Land Rover
Discovery, Mazda 3, Mercedes-Benz C-Class, Mini Cooper, Toyota Celica,
Volkswagen Touareg and many more. H7 bulbs are one of our most popular
applications and Luminics bulbs yield high quality and long life.


In addition, I found bulbs listed from $6 to $48. Quite a price .

Re: H7 bulb still failing with reduced voltage
 

Edwin Pawlowski wrote:
> "Mike Marlow" <mmarlowREMOVE@alltel.net> wrote in message
>> Bummer Dan. Good follow up though. Thanks for that. This really does
>> raise questions about the H7. Anyone know what other cars use H7, and do
>> they suffer the same short life? This whole H7 thing has take on a
>> certain intrigue...
>>
>
> I found this
> http://www.luminicsbulbs.com/h7_bulbs.php

It looks like the same kind of gimmicky crap that everyone is selling.
If you haven't looked at Daniel Stern's site, you should check it out as
it's very enlightening (no pun intended).

> In addition, I found bulbs listed from $6 to $48. Quite a price .

I've tried several of them and haven't found any correlation between
price and bulb life. I'm now on the least expensive bulbs so far -
$20/pair Hella standard bulbs - and we'll see how they hold up. They're
rated for much longer life than any of the others I've tried.

Re: H7 bulb still failing with reduced voltage
 

Numerous people, not just Hyundai owners, notice a seemingly short lifespan
for H7 bulbs. It's been my experience that many H7 bulbs fail within the
many manufacturer's new vehicle warranty periods.

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Re: H7 bulb still failing with reduced voltage
 

> GUEST wrote:
> A H7 bulb failed in my modified 2002 XG350 after 2 months. A 10
amp diode
> had been placed in the headlamp circuit that reduced the voltage at
the bulb
> to 12.8v. Apparently, this modification has not extended bulb life
by any
> appreciable amount. At this point, I'm starting to look into an
HDI system
> that uses bulbs with no filament. Anybody have one of these? I
see you can
> get them for around $75 on Ebay. Any recommendations?
>
> Dan

I still think it is something about the car. Could be
bad or loose contacts, voltage surges in the system for some reason
or some other unknown reason.

My experience: Have 02 Sonata and it has never blown a bulb anywhere
and it has H7s. Have 15 year old Integra and it has all the original
bulbs.

Once had an house air conditioner that kept blowing its fuse. It was
one of those that clip in similar to fuses in the old cars. I bent
the holders in so they held the fuse better and it never blew another
fuse.

Good luck,,,Luke