Not yet but I like where you’re going with this

 

Look for 194 bulbs. They are basically the same as 37s. Changing the color beyond blue will require removing the colored lens inside the dash. LED's only work one direction, so you may need to turn them around.

They don't dim well...you will need to put a resistor across to load them if you care.

These worked great where white was called for on my 78 like overall illumination. It made things a little bit bluer, because the original incandescent bulbs had a very warm hue.

20x White 2323SMD T10 LED Car Interior Lights Bulb Map Dome Lamp 168 175 192 194 | eBay

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These worked well where colors were needed.

Idiot lights

20x Pure RED T10 8-Led PC194 Dome Map Instrument Panel Dash Cluster Light Bulbs | eBay

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High beam light

20X Ice Blue T10 8-SMD LED Car Instrument Panel Dash Interior Light 158 2825 W5W | eBay

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Turn signal indicators

20X Vivid Green T10 8SMD LED Instrument Panel Dash Light Dome Map Interior Bulbs | eBay

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This is what I used..

LEDs

 

I’ve already done the dash cluster with T10 LEDs. So the climate control panel uses the same type bulbs @jermil01 ?

 

I have no clue if it correlates to your year, but I just replaced my dash bulbs with LEDs (same as @jermil01 I believe) and my climate control light was the same as my dash cluster ('84). It's tucked up in there pretty good.