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Speedo and rev counter lights


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Hi a long time ago i put led lights in my dash , it made it better some seem to illuminate better than others the top left corner seems to be the worst of speedo , also on the light switch , is the dimmer supposed to go right down low , mine only turns down a little and makes me wonder if its not turning up bright .do all new headlight switches have the dimmer ? I recently saw a photo and it had blue leds , so i went and bought some of them in two styles , its ok but still not that great , i havent looked at earths yet but the interior lights are great , .Cheers Vaughn
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LED's don't put any real load on the wirewound rheostat at the back of the light switch.

And LED's don't ever dim right down. They'll either reach a base level, or they'll go out.

What you really need is a PWM for a dimmer, or you need to purchase other LED's with a lumen output that you like.

Also remove any color filters in the cluster and buy colored LED's.

Light emitting diodes produce light in a very narrow spectrum.

The filters for incandescent bulbs are blocking a huge portion of the light they 'see' and LED's don't have the wide spectrum to get around it.

If you find one portion of the cluster darker than another:

A)Are you sure it's working at all? Diodes (and most LED's) are polarity sensitive, try flipping it around.

B)you might try repainting the diffusers bright white.

C)You can also use a higher lumen LED in that position. There are certainly many to choose from.

/geek

 

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Hey Vaughn,

Stupid question, but when you installed the LED lights, did you remove the little blue-ish colored lenses that were in there as well? I have the "Ice Blue" LED's in my dash.

I haven't seen any blue-ish lenses , so they were originally blue , I had a lens on the headlight /wiper switch , but removing it made it brighter , I definitely have them all going , I knew about the polarity , I have tried the blue ones this time , always slightly dim , definitely not as good as yours .The blue leds i got were rounded and sealed and the others had more of a head of leds , could the headlight switch /dimmer control be worn and not go right up to full bright ? might take it out again tomorrow and see if it is dusty or clean it with a cotton bud . Cheers Vaughn.

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I haven't seen any blue-ish lenses , so they were originally blue , I had a lens on the headlight /wiper switch , but removing it made it brighter , I definitely have them all going , I knew about the polarity , I have tried the blue ones this time , always slightly dim , definitely not as good as yours .The blue leds i got were rounded and sealed and the others had more of a head of leds , could the headlight switch /dimmer control be worn and not go right up to full bright ? might take it out again tomorrow and see if it is dusty or clean it with a cotton bud . Cheers Vaughn.

Not 'worn' but oxidation can build up, because it gets hot.

Like I said the LED's aren't going to put enough load on it for it to be effective anyhow.

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I haven't seen any blue-ish lenses...

Well, if they are still installed in the instrument cluster, installing LED's instead of the original bulbs won't improve things much. I don't have pictures of them myself, but somebody on here might.

 

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I haven't seen any blue-ish lenses...

Well, if they are still installed in the instrument cluster, installing LED's instead of the original bulbs won't improve things much. I don't have pictures of them myself, but somebody on here might.

Vaughn - I don't have pics of the filters, but can get them in a bit if you'd like. They snap into the instrument housing and are domed.

As for LED lighting, I really like the LED's from HiPo Parts. I did a test of them and posted it here: http://forum.garysgaragemahal.com/Instrument-Lighting-Paint-Testing-tp52526p52839.html.

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Vaughn - I don't have pics of the filters, but can get them in a bit if you'd like. They snap into the instrument housing and are domed.

As for LED lighting, I really like the LED's from HiPo Parts. I did a test of them and posted it here: http://forum.garysgaragemahal.com/Instrument-Lighting-Paint-Testing-tp52526p52839.html.

No , not too worried about the blue lenses , blue leds now , Thanks though Gary , i have to figure out why its a bit dull in that corner , i swapped holders around and by lifting the circuit board a little you can see the light go then swap it back to top left , it is difficuilt to see , i checked the spots of contact with a test light and its ok , still not sure , :nabble_anim_confused: so i will have a go today . Cheers Vaughn

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