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-   -   100 watt h'lamp H7 bulbs (https://www.jaguarforums.com/forum/xj-xj6-xj8-xjr-x350-x358-28/100-watt-hlamp-h7-bulbs-175651/)

meirion1 01-23-2017 04:54 PM

100 watt h'lamp H7 bulbs
 
Has anyone fitted 100 W bulbs?

According to the owner's manual both full beam

bulbs are on a 20 amp fuse and they should draw 17.6 amps total.

so they should be ok?

Then there is the exra heat with plastic lenses?

I really don't want to cause any damage.

paydase 01-23-2017 05:09 PM

I would avoid it.
Even though the total draw would be below the fuse capacity, there is a serious risk that the current may heat the wires and contacts as they are not designed to carry a current practically twice as much as spec.
I think however that there are high efficiency bulbs such as Philips Xtrem or Osram that provide a substantially better enlightment than the normal H bulbs with the same current. A good alternative IMO

Don B 01-23-2017 10:40 PM

I like the Sylvania Silverstar bulbs for their brighter, whiter light without overheating existing wiring or plastic lenses, but the downside is that they don't last as long as standard bulbs. I probably replace them every couple of years or sooner.

Cheers,

Don

Box 01-24-2017 06:41 AM

I use these on mine. Great price. Same relative color temp as SilverStar. DOT approved.

https://www.amazon.com/Hella-H7-Halo...words=hella+h7

meirion1 01-24-2017 03:41 PM

Many thanks for the Amazon link-I don't usually use them because I

prefer not to use a credit card, however I will now.

I see they have Sylvania Star also-these are not available in OZ.


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