[DML] Re: Interior courtesies delay unit interaction with LED bulbs
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[DML] Re: Interior courtesies delay unit interaction with LED bulbs



Hi Knut,

the delay module is a simple and cheap design of the early 80s.

Yes it works as you described. If you want the schematic let me know.
I started to design a new one that can handle bulbs and LED's
and doesn't require too much modification to be installed, 
but this makes it pretty difficult to make it work 100% reliable.
For the moment my car takes its winter nap, so does the whole 
project...

Elvis & 6548


>
> Hi guys,
> 
> I installed some LED bulbs in my car since I like the whiteness of 
the 
> light from them.
> 
> With the LED bulbs my courtesies delay unit stopped working, 
leaving 
> the interior lights on indefinitely. So I put the delay module on 
my 
> bench and found that my delay unit needs about 250mA of current 
draw 
> to reliably turn off after the delay time.
> 
> I could reverse-engineer the module and answer this for myself, but 
> I'm feeling lazy today and through I'd just ask first. Does the 
delay 
> unit require a minimum current draw to function correctly (and 
> therefore is not compatible with LED bulbs in the interior dome 
> lights) or is my module behaving eratically and needing replacement?
> 
>    Knut
>




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