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-   -   LED guages backlight conversion. (https://www.yotatech.com/forums/f131/led-guages-backlight-conversion-307976/)

Skybox86 Jun 23, 2019 09:24 AM

LED guages backlight conversion.
 
I ordered these 10mm LED's off Amazon to replace the two 194 bulbs that are supposed to illuminate the Speedo, fuel, and coolant temp gauges, but are so weak that I can't see any backlight during the day and barely see any light at night.



https://cimg3.ibsrv.net/gimg/www.yot...323696f53d.png
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To get good light dispersion, I used small pieces of p360 scuffing pad from O'Rielly's Auto parts to scuff the LED's really good. The LED's needs to have a diffused outside surface to give uniform light behind the guages. Them I hot-glued them into place and angled the in the way you see in the pictures to give best light.



https://cimg2.ibsrv.net/gimg/www.yot...ecf7ec8be5.jpg




Soldered in the leads.



https://cimg3.ibsrv.net/gimg/www.yot...7e18e03008.jpg



I'm really happy with the results, pretty good uniform/even lighting.



https://cimg4.ibsrv.net/gimg/www.yot...6ff850f3d7.jpg
https://cimg0.ibsrv.net/gimg/www.yot...0c01942e5b.jpg



When I get it, I'll paint the needles with Neon Matte orange nail polish. That kind of paint glows really bright under blue light. I'll update when I get it done.



jakey poo Jun 24, 2019 07:53 AM

Are these dimmable? The lights look great, but seem like it might be a bit much at night.

Skybox86 Jun 24, 2019 09:41 AM

They're not bad at night. My phone camera accentuates the blue glow a little, notice the CD player's bightness too, light isn't quite that bright with naked eye. The LEDs are 5-12v, so they are dimmable. However, my dimmer knob doesn't work very good, so I can barely tell that they dim, that includes light behind climate control. In daytime, you can see just a little glow so you know they're on.

Skybox86 Jun 29, 2019 10:52 PM

Got the new paint on the needles, way better.

https://cimg3.ibsrv.net/gimg/www.yot...8ed959fe0e.jpg
https://cimg7.ibsrv.net/gimg/www.yot...d770c0edb0.jpg
This is the only Florescent Matte Neon Orange I could find anywhere, on Etsy. Any bright or neon orange glows bright under blue light I found, inspired from a watch I have that has neon orange hands that glow bright under the blue dial illumination LEDs.

Lifetime Toyota Apr 8, 2023 07:04 PM

Damn! I like the looks of that.Been thinking about this for my 94.How big of a task is it to pull the cluster out?

Discombobulated Apr 8, 2023 07:07 PM

https://m.youtube.com/watch?v=SvTG36qsA3s

lots of vids on you tube;)

It’s not hard at all!!

Skybox86 Apr 8, 2023 08:52 PM

It wasn't that hard at all. Probably the hardest part is getting the speedometer cable end lined up and clocked right with your fingers so it goes into the socket of the gauge while you're pushing the unit into it's place.



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