LED H4 headlight bulbs - are they any good?

**pfillery** · 15th December 2011, 12:21 PM

In searching for an H3 bulb for a reversing spotlight I came across H4 headlight bulbs in an led.

Has anyone used these and are they any good? Will they put out the light distance that a standard halogen 100/100w bulb will? Or better? And are they legal for road use as the primary headlight bulbs on a vehicle?

Just curious.

**bee utey** · 15th December 2011, 01:02 PM

They are for decoration only. There is absolutely no way they can focus, and light output is very low. Best avoided.

**101RRS** · 15th December 2011, 01:27 PM

Aren't disco headlamp globes H7s??? not H4s

**Landover** · 15th December 2011, 03:26 PM

Originally Posted by garrycol

Aren't disco headlamp globes H7s??? not H4s

Disco 1's are H4 H/L globes.

**101RRS** · 15th December 2011, 04:18 PM

Silly me - read H4 and the brain registered Disco 4 - ignore my comment above - doh

**pfillery** · 16th December 2011, 07:00 AM

Originally Posted by bee utey

They are for decoration only. There is absolutely no way they can focus, and light output is very low. Best avoided.

That was my first thought. There are a few complete LED headlight units available in the us which seem pretty good though. Can't imagine they'd be cheap.

I'm currently running 100/100w and they are reasonable but not brilliant. I don't really want to go to HID and the thought of spending close to $50 a bulb for some of the ultra bright ones seems a bit silly, I was hoping for a happy medium but alas probably will stick to what I have.

scott oz · 19th December 2011, 07:19 AM

OK I'm interested in LED headlights where in the US have you located them (please)

**pfillery** · 19th December 2011, 09:20 AM

Originally Posted by scott oz

OK I'm interested in LED headlights where in the US have you located them (please)

I only came across a webpage advertising one manufacturer, found through google. Try [ame="http://www.youtube.com/watch?v=k4-kbu5TCTo"]Truck-Lite LED Headlight Installation & Comparison - YouTube[/ame] They showed a video installing them on a Jeep wrangler or similar as a complete 8 inch round headlight that replaces your H4 or sealed beam. There are also odd ones on ebay ranging around the $200 price range but once again in the us. Not sure how legal they'd be in aus though.

**Tank** · 19th December 2011, 10:10 AM

Originally Posted by pfillery

That was my first thought. There are a few complete LED headlight units available in the us which seem pretty good though. Can't imagine they'd be cheap.

I'm currently running 100/100w and they are reasonable but not brilliant. I don't really want to go to HID and the thought of spending close to $50 a bulb for some of the ultra bright ones seems a bit silly, I was hoping for a happy medium but alas probably will stick to what I have.

Isn't it illegal to run 100W in headlights, it might be bright enough for you, but have a thought for oncoming traffic, Regards Frank.

**superquag** · 19th December 2011, 08:00 PM

SSSHHhhh Frank,,, - the 100W low beams are cooking the insides of his fittings, building up a film inside the lens-glass, and on the reflector. Pretty soon his light output will be less than a clean 'normal' wattage headlamp in good condition... But the scatter will make them appear brighter.

Eventually, the glare from this film might interest the gendarmes....

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