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Old 06-02-2020, 02:05 AM
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Quote:
Originally Posted by CookieRoe View Post
Hello,

So, I recently "redid" my HVAC assembly using new 12v LEDs for the HVAC display. (long story). Anyway, as you may now, the factory backlight is 6v, I did a reverse polarization to my screen and am using (trying) 2 LEDs rated at 12v (I tapped the radio power). 12v+ coming from the radio power and the negative from the assembly's negative.

Following are the "sockets" for the factory bulbs that illuminate the HVAC display. Note the + and - . (positive side not used, but negative is for dimming)


So then, because my assembly was butchered (too much solder was placed onto the contacts, so a factory bulb or LED can no longer be "inserted"), an LED or bulb has to "sit" on top of it. For the negative part to make contact, I taped it hoping it will secure it. Wrong.

I tried removing the excess solder, but was unsuccessful.

I used taped to secure bulbs in place.


Here is a picture when I hooked up the LED to the 12v wire. Obviously, no light.


Here is a picture when I put pressure on the bulbs. Doing this obviously makes the base make contact with the negative thus turning the LED on.


My question to ya'll is:

1) How/what should I use to adhere the bulbs? Soldering came to mind, but I'd rather not do that.

If you guys have any suggestions, let me know!
Honestly if the rest is butchered so bad with solder, then you might as well just solder that negative contact so it works, LED’s last so long there’s a good chance you may never have to replace it.
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