Headlamp - anyone tried H4 Cree vs H4 OEM ?


Information and questions on GL1200 Goldwings (1984-1987)
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Damgaard
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Headlamp - anyone tried H4 Cree vs H4 OEM ?

Postby Damgaard » Fri Dec 19, 2014 1:21 am



Has anyone tried to install a H4 Cree LED unit in a Goldwing ? Would be nice to hear a review compared to standard H4.
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Mh434
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Re: Headlamp - anyone tried H4 Cree vs H4 OEM ?

Postby Mh434 » Fri Dec 19, 2014 1:16 pm

Haven't tried one myself (although I, too, am interested), but I keep reading that LEDs, while bright up close, don't project down the road nearly as well as H4's. I have to admit, though, that an LED spotlight I bought recently seems to project well, but it's pretty much a pencil beam with no spread. There's no doubt that LEDs will soon replace H4's etc., but I'm not sure they're there yet. Hopefully someone will do a real test on these H4 replacements soon.

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Damgaard
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Re: Headlamp - anyone tried H4 Cree vs H4 OEM ?

Postby Damgaard » Sat Dec 20, 2014 1:28 am

I think your right - LED will replace the OEM bulb in the near future. I just bought a single H4 Cree LED lamp unit on Ebay... will be shipped from Germany next week.

I will get back with the test results...

Merry X-mas

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Mh434
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Re: Headlamp - anyone tried H4 Cree vs H4 OEM ?

Postby Mh434 » Sat Dec 20, 2014 11:20 am

I (and many others, I'm certain) are looking forward to it!

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Re: Headlamp - anyone tried H4 Cree vs H4 OEM ?

Postby WingAdmin » Sat Dec 20, 2014 11:24 pm

I've seen one being tested by a local retailer. The problem with the H4 LED bulbs is that they do put out quite a bit of heat, and need a fair sized heat sink on the back in order to keep the LEDs in a functional temperature range. This can generate enough heat to melt plastic fairing parts.

The version I saw at the retailer actually had a small fan built into the heatsink to try to mitigate this, but the size of the fan made it extremely difficult to install into a GL1100 headlight bucket. And what happens if the fan motor seizes?

So I would say we're not quite there yet. Purpose-built LED headlights perform amazingly well, but LED retrofit bulbs are nowhere near the performance of much cheaper HID bulbs, and even some quality halogens.

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Re: Headlamp - anyone tried H4 Cree vs H4 OEM ?

Postby flash1942 » Wed Dec 24, 2014 12:20 pm

I wondered about the LED replacement bulbs and if any heat was produced. My wife has a bunch of 100W Cree LED's in her sewing room so I went there this morning to check exactly just that. The 100W 120 volt bulb does produce heat at the heat sink area at the base of it. Enough heat that I agree with wingadmin.

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Re: Headlamp - anyone tried H4 Cree vs H4 OEM ?

Postby WingAdmin » Wed Dec 24, 2014 3:20 pm

Here is the one I was talking about, with the fan powered heat sink:







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