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Resistors - Narva Blue LED Update - not what ya think! 

 

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 Post subject: Resistors - Narva Blue LED Update - not what ya think!
Posted: Tue Aug 16, 2005 10:22 pm 
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Yeah I know what you are thinking......another LED thread?????


WRONG.........

I have just completed a blue LED conversion on my dash, using the Narva Blue LED's, part number 47902.

As most readers will know these LED's draw 16mA at 13.8v, which produced a dull light, thus you would have to change the resistor so as it drew 30mA at 13.8v.

Narva identified this problem and now supply them as standard drawing 30mA at 13.8v.

This is now the most effective way to complete the dash mod.

Pull the old ones out, put new one in.

Below is a email I recieved directly from Narva:


Hello Chris,

Our current stock on part no. 47902 dash panel globes draws the following :

# 30mA at 13.8 volts

I did request a change recently to a higher operating voltage on the L.E.D globes, as most late model vehicles tend to operate in this band.


Regards

Andrew Marney
Product Manager
Brown & Watson International Pty Ltd.
3 Millennium Court, Knoxfield, Vic, Australia 3180
Tel: +61 3 9730 6000 Fax: +61 3 9730 6050
E-mail: amarney@narva.com.au
Internet: www.narva.com.au
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Posted: Tue Aug 16, 2005 11:30 pm 
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And to the uneducated sucha s yours truly this means....
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Posted: Tue Aug 16, 2005 11:34 pm 
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I'm very much in the same boat.....'uneducated' but it means that the LED's are much brighter.

Before they were very dull and didn't light up much at all. To over come this you would have to change the resistor to increase the mA's and make them brighter. Very fiddly job and time consuming.

Now they come with a resistor to run them at 30mA which is plenty bright enough.

Once you have the cluster out it's a matter of pulling the old out, and putting new one in, as the come fitted in a holder.

Hope all this make sense?
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Posted: Tue Aug 16, 2005 11:40 pm 
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Yeah I ahve them in my car now. ALways wondered why my mates clsuter was brighter tehnmine, might have to try a set. How can I tell the difference by looking at the packaging?
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Posted: Wed Aug 17, 2005 12:03 am 
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so all of their led thingos come in 30mA now... for example white (think datamine custom dials)

hrmm... excellent, i am running out of escuses not to do s**t now!! :P

 

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Posted: Wed Aug 17, 2005 7:14 am 
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also all their leds are basically IDENTICAL to the ones your making just with their own holders. you dont need to solder the diy ones to the bulb holders either incase u didnt know.

the narva ones are very well known to stop working quite often or short out. change the resistor on your normal leds and shave the heads a bit and ull get a better result
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Posted: Wed Aug 17, 2005 4:24 pm 
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I have these in my fairlane cluster and yeah i agree these are real easy to fix etc.. only prob i have with them is my speedo needle only half lights up blue untill ya go over 60.. Im thinking of getting some light sand paper and roughing the bulb a little so the light spreads more. Has this happened to anyone else before?

 

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Posted: Wed Aug 17, 2005 4:29 pm 
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So am i correct in assuming these units are an LED with a resistor, fitted to an OEM bulb holder?? i.e. plug and play??

 

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Posted: Wed Aug 17, 2005 5:32 pm 
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Im assuming they fit straight into an au cluster with no bending the pins?

Im wondering are they are good spread of light or is it noticable where the led is sitting.
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Posted: Wed Aug 17, 2005 5:51 pm 
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ooo they're in knoxfield! i might pick some up tonight :) cause i live in knoxfield :)

 

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Posted: Wed Aug 17, 2005 7:24 pm 
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4.9 EF Futura wrote:
So am i correct in assuming these units are an LED with a resistor, fitted to an OEM bulb holder?? i.e. plug and play??


i would like to know that for sure as well....

 

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Posted: Wed Aug 17, 2005 7:42 pm 
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blinkAU wrote:
Im assuming they fit straight into an au cluster with no bending the pins?

Im wondering are they are good spread of light or is it noticable where the led is sitting.


Well 47902 is for EF/EL I think, AU ones are different product number.
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Posted: Wed Aug 17, 2005 8:24 pm 
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If the AU's use those next sized up globes Nava do blue wedge type ones that ya just slip in the bulb holder.. P/no 47864 - for blue

 

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Posted: Wed Aug 17, 2005 8:56 pm 
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Mr Man wrote:
4.9 EF Futura wrote:
So am i correct in assuming these units are an LED with a resistor, fitted to an OEM bulb holder?? i.e. plug and play??


i would like to know that for sure as well....


Exactly.

LED+RESISTOR+HOLDER=Blue Dash Mod (plug and play)
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Posted: Wed Aug 17, 2005 9:47 pm 
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where in knoxfield i live near there
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