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Is this a different problem with dual climate control?

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Old Apr 23, 2004 | 12:07 AM
  #1  
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From: Troy MI
Default Is this a different problem with dual climate control?

My temp display is fine, but half the buttons aren't lighting up.

The driver side **** and the left half of the buttons light up, but the right half, and passenger know, with the exception of the front defrost button are not lighting up.

I have seen many posts about the diplay going dim, but searched and couldn't find a problem that matched mine.

Any idea what is up with it?
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Old Apr 23, 2004 | 12:28 AM
  #2  
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Default Re: Is this a different problem with dual climate control? (msuc5vette)

That is not the same problem. I have seen it mentioned here before. I don't know of a fix but you could pull the unit out and see if there are bulbs to replace or rewire with LED's.
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Old Apr 23, 2004 | 01:30 PM
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Default Re: Is this a different problem with dual climate control? (msuc5vette)

If you open the unit up you will find the bulbs are hard soldered to the circuit board, it is possible that you have a break in a trace on the board that you could jump or may simply have a few bad bulbs. If you are handy with a soldering iron they are not hard to replace... I replaced ALL mine with colored LED's.. I like the look much better
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Old Apr 23, 2004 | 09:49 PM
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Default Re: Is this a different problem with dual climate control? (ICUALL)

Sweet, what color LED did you go with?

Red might look pretty cool.

I can solder quite well, I'll give that a shot. Do you remember how many lights?
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Old Apr 23, 2004 | 11:30 PM
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Default Re: Is this a different problem with dual climate control? (msuc5vette)

Since My Vette is Navy Blue I did mine in Blue LED's... You might want to look at the write up I did at http://www.vettechat.com/led/led.htm This is on doing the door switches but the same resistors and Led's apply to the dual climate control. The trick is to solder the resistor "inline" with one of the legs of the led, and using shrinkable tubing to prevent the 2 legs from touching. Simply remove the light bulb from the board and solder the led in it's place. Make sure you test one to verify the polarity of the led before you solder them all in place. I'll try to post a few pics and write-up on doing the climate control assembly. Remember you do this at your own risk, damaging the board will cost you a replacement dual climate control module..... :D


[Modified by ICUALL, 10:32 PM 4/23/2004]


[Modified by ICUALL, 10:35 PM 4/23/2004]
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Old Apr 23, 2004 | 11:53 PM
  #6  
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Default Re: Is this a different problem with dual climate control? (ICUALL)

:lurk:
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Old Apr 24, 2004 | 11:15 AM
  #7  
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Default Re: Is this a different problem with dual climate control? (markcz)

Just for your FYI a replacement Dual Zone controler is over $1000. So be careful.
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Old Apr 25, 2004 | 01:30 AM
  #8  
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From: Troy MI
Default Re: Is this a different problem with dual climate control? (gonbad)

I think I am either going to do red LEDs or just replace the bulbs.

It looked like these things might be wired in series so I check for volatage at a few of the bulbs using a small light bulb.

It lit in all 4 of the spots I tested. It is really wierd to me that almost 10 bulbs would burn out at the same time.

Any idea what may have caused this?

If I just want to replace the lights with the same bulb what should I buy and where can I get them?
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Old Apr 25, 2004 | 09:56 PM
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Default Re: Is this a different problem with dual climate control? (gonbad)

I got a new one for my 98 for $350 from Fitchner. One from a salvage yard is about $125. :cheers:
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