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Gauge cluster circuit board question

 
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Old 01-04-2011, 07:20 PM
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Icon5 Gauge cluster circuit board question

Hi.

Can anybody tell me which trails on the printed circuit board of the bulbs lighting up the speedo- and the tachometer are positive and negative? I know that the factory bulbs light up either way but I'm going to put some LED-strip lighting in there which is always polar sensitive. It would be quite frustrating to put back the cluster just to see that I wired the plus and minus wires the wrong way around

If you don't know answer to that, you could tell me which of the connectors' wires are positive and negative so I could try the polarity myself with a battery. I think that the wires of them are too short for trying the polarities with them connected without assembling it up too much

Thanks for your help in advance!
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Old 01-04-2011, 08:31 PM
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Re: Gauge cluster circuit board question

Look at the pic below. I always install my resistors on the Positive side of the LED.

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People say the biggest difference you can change to your system is to add a subwoofer. Which is true, it is the most noticable difference. But running an amplifier to a good set of speakers makes the BEST difference.

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Old 01-05-2011, 03:59 PM
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Re: Gauge cluster circuit board question

Thanks for the fast response!

Here's the output with two blue 30cm 12-SMD strips, the brightness is a little better than with stock bulbs, also the light color is now actually blue:



Next step is obviously changing the fuel&temp+clock colors when I've chosen what would suit them best
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Old 01-05-2011, 10:25 PM
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Re: Gauge cluster circuit board question

My Pleasure.. and thanks for having the courtesy to post pictures of your project.
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People say the biggest difference you can change to your system is to add a subwoofer. Which is true, it is the most noticable difference. But running an amplifier to a good set of speakers makes the BEST difference.

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Old 01-06-2011, 10:20 AM
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Re: Gauge cluster circuit board question

The needles aren't lit up. I guess they should glow orange? They didn't glow when I got the car.

Now that I have the assembly in my hands again, what is lighting the needles? Can't find any bulbs or anything. Or should they be dark? They're very hard to see like this in the night...
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Old 01-06-2011, 03:24 PM
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Re: Gauge cluster circuit board question

1) the blue light does not reflect/work well with the orange
2) the indirect lighting you have now isnt shining on it any more.

unfortunately the way the "old" lighting was set up, they, the incandescant lights, shown on the Plexi behind the needle thus lighting it up. I have been trying to think/engineer a fix but I lack having any time to "play."
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People say the biggest difference you can change to your system is to add a subwoofer. Which is true, it is the most noticable difference. But running an amplifier to a good set of speakers makes the BEST difference.

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Old 01-06-2011, 04:41 PM
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Re: Gauge cluster circuit board question

All right. I could try some UV LEDs and paint the needle with fluorescent paint. Don't know how well it'll work but at least it's better than nothing.
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