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Led light bar
http://auszookers.com/forum/viewtopic.php?f=5&t=42022
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Author:  Watuwant [ Fri Jul 19, 2013 9:35 pm ]
Post subject:  Led light bar

Hey does anyone know if the standard alternator in a 1989 Suzuki sierra be ok to handle a led light bar?

Author:  Dec [ Fri Jul 19, 2013 9:39 pm ]
Post subject:  Re: Led light bar

Yes it should have no problem, what size are you looking at?

Author:  Watuwant [ Fri Jul 19, 2013 9:49 pm ]
Post subject:  Re: Led light bar

I'm tossing up between 2 x 4" or a 500mm bar. Not 100% sure yet

Author:  Dec [ Fri Jul 19, 2013 10:06 pm ]
Post subject:  Re: Led light bar

Okay awesome, you're alternator will have no problem running them.
Check out klutched website if you're interested, he's got a good range.
viewtopic.php?f=15&t=36987

Author:  1DYX [ Fri Jul 19, 2013 10:08 pm ]
Post subject:  Re: Led light bar

I just installed 2 x 6", 30w (3x10w) for a total of 60watts.
thats only an extra headlight.
Although I did run them thru a relay, I probably didn't really have to.
I wanted to run just a single 20" light, but I decided to make sure the coppers couldn't pick on me.

Author:  fordem [ Fri Jul 19, 2013 11:02 pm ]
Post subject:  Re: Led light bar

Sure LED bars are more efficient and use less power for the same light, but, without knowing the power consumption (wattage) of the bar, any answer is just a guess - 500mm - that's a 20" bar, probably 120W, that's actually more than a pair of standard halogen spotties - my guess is you're pushing your luck.

Author:  fordem [ Fri Jul 19, 2013 11:25 pm ]
Post subject:  Re: Led light bar

1DYX wrote:
I just installed 2 x 6", 30w (3x10w) for a total of 60watts.
thats only an extra headlight.
Although I did run them thru a relay, I probably didn't really have to.
I wanted to run just a single 20" light, but I decided to make sure the coppers couldn't pick on me.


60W at 12V is 5A - a typical 12V switch is rated at 3A - that's the first reason to use a relay, the second is to eliminate possible voltage drop over long, small gauge cables - or - to phrase that differently, to allow the use of less expensive small gauge cables for the longer runs, with incurring excessive voltage drop.

Author:  Critical Energy [ Sat Jul 20, 2013 8:15 am ]
Post subject:  Re: Led light bar

+1 to both of Fordem's posts.

People get so carried away with the idea that LED's are efficient, and assume they use no power. I recently saw a 240W LED bar hooked up with speaker wire, at the end of the day that still draws 20A.

Author:  1DYX [ Sat Jul 20, 2013 11:16 am ]
Post subject:  Re: Led light bar

4479 http://hella.com.au/cgi-bin/catalogue-h ... maint=2226
Compact Off-On Switch - Amber LED, 12V DC

Mounting: Round hole size 12mm diameter fitting (3 x 6.3mm flat-plug contacts).

Load: 16A at 12V DC

Author:  Bucket [ Sat Jul 20, 2013 9:55 pm ]
Post subject:  Re: Led light bar

Dec wrote:
Okay awesome, you're alternator will have no problem running them.
Check out klutched website if you're interested, he's got a good range.
http://www.auszookers.com/forum/viewtop ... 15&t=36987



I'm not here to slander the bloke but seriously, have a good look around before buying...like anything.

I jumped on what I thought was a good deal at the time but after a month of using a 30 or 36w light bar from him I ended up binning the thing. The mounting system is pretty poor, always rattled loose and had sweet F A adjustment; unless the bracket/bar already sits perfectly level, the thing would point either 5m in front at the ground or you'll be forever spotting possums.

I recently purchased a better (albeit still Chinese) bar which mount from the outside. It had better light output and a stronger mounting system for a much better price.


Cheers,
Alex

Author:  Scales [ Sun Jul 21, 2013 9:55 am ]
Post subject:  Re: Led light bar

also worth noting you can buy those bars direct from china too....

Author:  Blakey [ Sun Jul 21, 2013 6:30 pm ]
Post subject:  Re: Led light bar

Bucket wrote:
Dec wrote:
Okay awesome, you're alternator will have no problem running them.
Check out klutched website if you're interested, he's got a good range.
viewtopic.php?f=15&t=36987



I'm not here to slander the bloke but seriously, have a good look around before buying...like anything.

I jumped on what I thought was a good deal at the time but after a month of using a 30 or 36w light bar from him I ended up binning the thing. The mounting system is pretty poor, always rattled loose and had sweet F A adjustment; unless the bracket/bar already sits perfectly level, the thing would point either 5m in front at the ground or you'll be forever spotting possums.

I recently purchased a better (albeit still Chinese) bar which mount from the outside. It had better light output and a stronger mounting system for a much better price.


Cheers,
Alex


if people are buying them hes making pretty much 3 times what he paid for them too so your not getting them cheap anyway

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