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81 Heater Controls

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Old Nov 7, 2006 | 04:22 PM
  #1  
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Default 81 Heater Controls

Hi Everyone,
I have a 81 in which the Heater Controls do not light up when the Headlamp switch is on. All the other dash and instruments lamps work. I've looked for a bad bulb but I can't even locate a bulb near the controls. How do they light this thing? Thanks for any and all info.

Tim
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Old Nov 7, 2006 | 04:30 PM
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The light for the heater controls is emitted from above, right between the air conditioning vents. If you place your finger on the top of the cluster you will feel a whole that is where the light comes through.

If you take out the top, side and bottom screws of the radio and gauge cluster. Pull the cluster out, you will see the bulb on the top a gray and black wire are connected by two phillips screws.
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Old Nov 7, 2006 | 04:33 PM
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Wow, Who would of known. Thanks for your help. I'll take a look
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Old Nov 7, 2006 | 05:39 PM
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That illumination system requires a lamp with a focus lense. Mine had a 168 in there, which worked, but not very well.
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Old Nov 7, 2006 | 06:13 PM
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I've got an 82CE and it could be lighter but I can still see it.Never really looked but it must be a small blub.
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Old Nov 7, 2006 | 07:16 PM
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Tim

Where did you get the those rocker panels. I tried but could not find them anywhere, that is why I went with the 1980 model.
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Old Nov 7, 2006 | 07:55 PM
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The Rocker Panels came with the car. I've only owned it for a few months. If you want I can contact the previous owner.
Tim
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Old Nov 7, 2006 | 08:09 PM
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If you can ask him were did he get them and for what year C3 are they for.

I am thinking he stripped them.

Thanks
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Old Nov 7, 2006 | 08:14 PM
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Originally Posted by sjmaster
That illumination system requires a lamp with a focus lense. Mine had a 168 in there, which worked, but not very well.
make sure you get the right bulb.
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Old Nov 9, 2006 | 04:26 PM
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FYI The bulb is a 558. I could not find it at any of the typical auto-parts stores. I ended up purchasing it from Zip's Corvette $2.50 plus $6.00 for shipping. Oh well I needed it. Next time I'll look into replacing it with a LED type bulb. Tim
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